GB 16915.2-2000 Switches for household and similar fixed electrical installations Part 2: Particular requirements Section 1: Electronic switches
Some standard content:
GB16915.2—2000
IEC Foreword
Referenced standards
General requirements
General instructions on tests
Rated values
Dimensional inspection
Protection against electric shock.
Grounding measures
Structural requirements
Aging resistance, protection against harmful water ingress and moisture resistance...
Insulation resistance and electrical strength.
Switching capacity
Normal operation
Mechanical strength
Screws, current-carrying parts and connections
Creep distance, electrical clearance and penetration distance of sealant..Insulating materials' resistance to abnormal heat, flame retardancy and tracking. Rust prevention
Electromagnetic compatibility (EMC) )
Abnormal conditions
Examples and functions of electronic switch types
Appendix AA
.......
GB16915.2—2000
This standard is equivalent to the international standard IEC60669-2-1:1996 (3rd edition) "Switches for household and similar fixed electrical installations Part 2: Particular requirements Section 1: Electronic switches" and the first amendment (1997). Electronic switches are related products of switches for household and similar fixed electrical installations: touch switches, proximity switches, light-operated switches, voice-operated switches and other external induction switches. These switches have certain particularities and are widely used. Therefore, this standard is equivalent to IEC60669-2-1:1996 in terms of technical content and writing format. This standard should be used in conjunction with GB16915.1—1997 "Switches for household and similar fixed electrical installations Part 1: General requirements". The main differences between this standard and IEC60669-2-1 are as follows: 1. The provisions of Article 6.2, "The rated load shall not be less than 160VA", do not conform to my country's national conditions and also limit the product series. At present, the rated load of many electronic switches in my country (such as electronic switches used for dimming of lighting, etc.) is often less than 160VA. Therefore, the restrictions on the minimum rated load should be relaxed and the coverage of the national standard should be expanded to facilitate product development. Article 6.2 is not implemented in my country for the time being. 2. Article 13.101 restricts the development of domestic products. At present, a large number of switches with small gaps and micro-gap structures have been developed in China, so this article is not implemented in my country for the time being.
3. In order to expand the application scope of winding insulation materials, the winding part in Table 102 of Chapter 17 is changed to the allowable temperature rise according to the insulation material grade. (Refer to EN60669-2-1:1998) 4. In Article 26.1, refer to EN60669-2-1:1998 to clarify the value definition of "the set value should not be changed". 5. The number of tests in Article 26.1.2 is changed from 60 to 10, which is in line with the national standard formulated by IEC1000-4-5. (Refer to EN60669-2-1:1998).
6. Add a note after Articles 26.1.3 and 26.1.4: "If the set value is changed, it should be able to be restored by control operation (refer to EN 60669-2-1:1998).
7. For the convenience of sorting, Table 103, Table 104 and Table 105 of Amendment 1 in IEC60669-2-1 are changed to Table 104, Table 105 and Table 103 respectively in this standard.
Appendix AA of this standard is a prompt appendix. This standard is proposed by the State Bureau of Machinery Industry. This standard is under the jurisdiction of the National Technical Committee for Standardization of Electrical Accessories. Drafting units of this standard: Guangzhou Electric Science Research Institute, Qisheng Electric (Huizhou) Industrial Co., Ltd., TCL International Electric Co., Ltd., Hangzhou Hongyan Electric Co., Ltd., Beijing Sitong Matsushita Electric Co., Ltd., Zhongshan Lang The main drafters of this standard are Huang Wenqing, Wang Kejian, Kong Jun, He Weien, Yang Guoxian, Che Yu and Li Zhutang. The National Technical Committee for Standardization of Electrical Accessories is responsible for the interpretation of this standard. I
GB16915.2—2000
IEC Foreword
International Standard IEC60669-2-1 is prepared by SC23B: Plugs, Sockets and Switches of the IECTC23 Electrical Accessories Technical Committee of the International Electrotechnical Commission. The third edition of IEC60669-2-1 cancels and replaces the second edition of 1994 and its first revision (1994) and the second revision (1994). The contents of this standard are based on the 2nd edition and the 1st and 2nd amendments and are based on the following documents: Draft International Standard
23B/476/FDIS
Voting Report
23B/499/RVD
For details of the amendments and voting that led to the 3rd edition of this standard, please refer to the voting reports listed in the table above. This chapter of IEC 60669-2-1 should be used in conjunction with IEC 60669-1 and lists the changes that must be made to convert the latter into this IEC standard.
IEC 606 The chapters, figures or tables added in 69-2-1 are numbered from 101. Appendix AA is for reference only.
The content of Amendment 1 is based on the following documents: Draft International Standard
23B/515/FDIS
For details of the voting for this standard, see the voting report listed in the table above. N
Voting Report
23B/523/RVD
National Standard of the People's Republic of China
Switches for household and similar fixed-electrical installations Part 2: Particular requirements
Section 1: Electronic switches
Switches for household and similar fixed-electrical installations Part 2: Particular requirements Section 1. Electronic switches 1 Scope
This chapter in GB16915.1—1997 is changed to the following content. GB16915.2—2000
eqvIEC60669-2-1:1996
This standard applies to electronic switches or related electronic auxiliary devices for household and similar fixed electrical installations for indoor or outdoor use.
This standard applies to electronic switches for operating lighting circuits, controlling the brightness of lamps (dimmers), controlling the speed of motors (such as exhaust fans, etc.) and for other purposes (such as electric heating devices). The working voltage of these switches does not exceed 250V AC and the rated current does not exceed 16A. The above-mentioned operation and control are achieved artificially through starting elements, sensing surfaces and sensing devices, with the help of touch, proximity, rotation, light, sound, heat or other influences.
Note 1: This standard does not apply to devices within the scope of GB14536. Design examples of electronic switches and their functions are shown in Appendix AA. Note 2: An electronic switch without a mechanical switch in the main circuit cannot form a "fully disconnected state". Therefore, the circuit on the load side should be considered to be energized. 2 Reference standards
This chapter in GB16915.1-1997 applies after the following content is added. GB4343-1995 Measurement methods and allowable values of radio interference characteristics of household and similar electric heating appliances, electric tools and similar electrical appliances (eqIECCISPR14.1993)
GB/T6109.1-1990 Enameled round winding wire Part 1: General requirements (eqVIEC317-0-1:1990) GB8898-1997 Safety requirements for household and similar general-purpose electronic and related equipment powered by mains power supply (idtIEC65.1985)
Miniature fuses (idtIEC127)
GB93641997
GB /T11021-1989
9 Evaluation and classification of heat resistance of electrical insulation (eqvIEC85:1984) GB14536.1-1998 Household and similar electrical automatic controllers Part 1: General requirements (idtIEC730-1:1993) GB17625.1-1998
Limits of harmonic currents emitted by low-voltage electrical and electronic equipment (equipment input current per phase <16A) (e qvIEC1000-3-2:1995)
3 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T17626.2—1998
(idtIEC1000-4-2:1995)
GB/T17626.3—1998
Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test (idtIEC1000-4-3:1995)
Approved by the State Administration of Quality and Technical Supervision on October 17, 2000 and implemented on July 1, 2001
GB16915.2—2000
GB/T17626.41998
: Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test (idtIEC1000-4-4:1995)
GB/T17626.5-1999
Electromagnetic compatibility test and measurement technology Surge (impact) immunity test (idtIEC1000-4-5.1995)
Electromagnetic compatibility test and measurement technology Voltage dip, short-term Interruption and voltage variation immunity test GB/T17626.11—1999
Test (idtIEC1000-4-11:1995)
IEC161:1965 Capacitors for radio interference suppression (sampled from sales products) IEC1000-2-2:1990 Electromagnetic compatibility Part 2: Environment Chapter 2 Compatibility level of low-frequency conducted interference and signal transmission in public low-voltage power systems
ISO306:1987
Determination of Vicat softening temperature of thermoplastic materials
3 Definitions
This chapter in GB16915.1—1997 shall apply after the following additions. After the first paragraph, the following additions shall be made:
The term "electronic switch" includes both switchgear and controlgear. Add the following definitions:
3.101 Rated load ratedload
The load specified by the manufacturer for the electronic switch. 3.102 Minimum load minimumload
The minimum load at which the electronic switch can operate normally. 3.103 Minimum current minimumcurrent
The minimum allowable current at which the electronic switch can operate normally. 3.104 Electromechanically operated contact mechanism electromechanically operated contact mechanism A component that controls the action of the circuit opening and closing parts by electromechanical means. 3.105 Semiconductor switching device semiconductors switching device A switching device that connects or disconnects the current through the controllable conductivity of the semiconductor in the circuit. Note
1 In a circuit where the (periodic or non-periodic) current passes through zero, "not connecting" the current after this zero value is equal to the effect of disconnecting this current. 2 Typical examples of semiconductor switching devices are: - Electronic switches that control the load by applying the phase connection principle, for example, by using a thyristor to switch on the current at any phase angle after or at the zero crossing of each half-wave.
- Electronic switches that control the load by applying the phase disconnection principle, for example, by using a transistor in a bridge rectifier circuit to switch off the current at any phase angle after the half-wave passes through zero.
3.106 Electronic momentary contact switch Electronic momentary contact switch An electronic switch that can automatically return to its initial state after actuation of an electromechanical switch or semiconductor switching device. 3.107 Mechanical control unit A device that is adjusted directly by mechanical means (such as a potentiometer) and controls the output through electronic components. 3.108 Electronic output control unit Electronic output control unit A device that is adjusted by non-mechanical means (such as a sensor device) and controls the output through electronic components. 3.109 Electronic auxiliary unit Electronic extension unit A remote control device for an electronic switch.
3.110 Protective impedance protective impedance Impedance connected between live parts and easily accessible conductive parts. In normal use of the electronic switch and in the event of a possible fault, 2
GB16915.2-2000
This impedance should be able to limit the current of the electronic switch to a safe value. Structurally, this impedance should ensure that the reliability of the electronic switch remains unchanged throughout its life.
3.111 Working voltage working voltage
The highest effective value of the AC or DC voltage that will appear between the two ends of any specific insulation when the switch is powered at the rated voltage. Note
1 Transient values are ignored.
2 Both the open circuit state and the normal operating state are taken into account. 4 General requirements
This chapter in GB16915.1-1997 applies. 5 General instructions on testing
This chapter in GB16915.1-1997 applies after adding the following content. 5.4 Add the following:
The number of specimens is shown in Table 101.
Three new specimens are required for the tests in Chapters 101 and 102. Table 101
Types of electronic switches
Specify one rated current and
one voltage
One or two voltages
Number of specimens required for general tests
Number of chapters, clauses and additional specimens
*Only for electronic switches with mechanical and electromechanical switching devices, only the complete contact mechanism can be submitted for test. Add the following:
101 and 102
5.101 The measurement methods used should achieve the measurement purpose, will not significantly affect the value to be measured and will not be affected by various factors, such as waveforms, etc. Note: The measuring instrument used should give the true root mean square value. 5.102 If the electronic circuit is closed so that it is impossible or difficult to short-circuit or disconnect the components, the manufacturer shall provide an additional sample with leads for measurement and short-circuiting. Leads shall not be connected to the interior of a hybrid integrated circuit or a monolithic integrated circuit. 5.103 During the test, the electronic components may be disconnected. 5.104 For electronic switches equipped with circuit breakers, three additional samples shall be used to carry out the test of 102.4.1. 6 Rated values
This chapter in GB16915.1-1997 shall be amended as follows. 6.1 The preferred values of the rated voltage of alternating current are 110V, 120V, 130V, 220V, 230V and 240V. 6.21 The rated load shall not be less than 160VA, but the rated load of instantaneous electronic switches and electronic speed control switches for motors may be less than 160VA.
Note 1: The rated load of each part of a multi-way switch installed in a mounting box shall not be less than 160VA. Compliance shall be checked by observing the markings. Instructions for adoption:
11 This article is not implemented in my country for the time being.
7 Classification
GB16915.2-2000
This chapter in GB16915.1-1997 shall apply after the following contents are added. 7.1.5 The following contents are added:
-Touch switch;
Proximity switch;
Light-operated switch;
Voice-operated switch;
-Other external inductive switches.
Note: The start switch includes on/off operation and/or adjustment of the brightness of the lamp or the speed of the motor. 7.1.6 The following contents are added:
A switch intended to be installed at a height exceeding 1.7m. 7.1.9 Classification by the type of load controlled by the switch:-Incandescent lamp;
-Fluorescent lamp;
-Motor;
Nominal load.
8 Marking
This chapter in GB16915.1-1997 is applicable after the following additions. 8.1 The following additions are made:
Note to paragraph 1:
Note: If the rated current can be replaced, the rated load can be expressed in VA or W; the minimum current unit is expressed in A, or the minimum load unit is expressed in VA or W; the rated frequency is expressed in Hz. However, electronic switches designed for both 50 Hz and 60 Hz are excluded; - the rating and type of fuses installed in electronic switches; the symbol for the type of load (see 8.2);
When there are auxiliary devices, the word auxiliary device (extension unit) or the corresponding translation in the official language of the country where the switch is purchased is marked, followed by the identification mark;
-If the switch has a specified installation height limit, the minimum installation height should be specified in the installation instructions (see 10.1). 8.2 Add the following content:
Volt-Ampere
Transformer connection
Terminals for regulated load
Load types:
Incandescent lamp
Fluorescent lamp
Electronic motor
GB16915.2—2000
Electronic step-down transformer for low-voltage incandescent lamps (such as halogen lamps)Iron core transformer for low-voltage incandescent lamps (such as halogen lamps) Note: The rating and type of the fuse are marked with symbols (see GB9364). If other non-standard symbols are used, the meaning of the symbols used should be explained in the installation instructions. 8.3 Amend the first paragraph to:
The rated current or rated load, rated voltage, nature of power supply, rated frequency, type of load, rating and type of fuse, name, trademark or identification mark and model of the manufacturer or agent shall be marked on the main parts of the electronic switch. The rating and type of the fuse shall be marked on the fuse holder or near the fuse. Add the following:
The minimum load or minimum current value may be given in the installation instructions. 8.4 Add the following:
If there are more than two terminals, the load terminal shall be marked with an arrow pointing away from the terminal. Or marked with one of the symbols described in 8.2, and the other terminals shall be marked as specified in the installation instructions. Unless the installation method of the electronic switch can be clearly seen from the marking of the terminals, each switch shall be equipped with a wiring diagram. 8.6 Add the following:
If the circuit on the load side is considered to be live according to Chapter 1, "o" shall not be used to mark the disconnected state. Add the following:
8.6.101 The disconnected state of the motor speed switch shall be clearly marked. 8.6.102 The actual state of an electronic switch used to adjust the brightness of a lamp when in use may be indicated by one of the following methods: - marking the ON/OFF state position; - using an indicator light;
- the light can still be seen when the dimmer is in the lowest control state and is at 0.9 times the rated voltage. Note: The "light can still be seen" test is under consideration. When only light is used to indicate the state of the switch, the lowest control state of the lamp shall be adjusted as follows: Incandescent lamp dimmers shall be adjusted by the manufacturer, and the lowest setting shall not be adjustable without tools. Fluorescent lamp dimmers shall be adjusted by the manufacturer, and if the installation instructions specify how to adjust the lowest setting, this adjustment may be made by the installer.
8.8 Add the following:
If an electronic switch equipped with a sensor viewing window (lens) is to be installed at a height exceeding 1.7 m, the installation height shall be indicated in the installation instructions.
9 Dimensional inspection
This chapter in GB16915.1-1997 shall apply after the following addition. If the electronic switch is supplied with a mounting box, the dimensions of the switch may differ from those specified in the standard (if any). 10 Protection against electric shock
This chapter in GB16915.1-1997 shall apply after the following addition and modification. 10.1 Add the following:
Note: In this standard, metal sensing surfaces connected to live parts through protective impedance (see 10.2) are not considered live parts. Paragraphs 6 and 7 of GB16915.1 are amended to: During the additional test, a force is applied to the switch for 1 min with the end of a straight and jointless test finger of the same size as the standard test finger shown in Figure 2. 5
GB16915.2—2000
A test finger equipped with an electrical indicator is subjected to a force of 75 N on all parts where deformation of the insulating material may endanger the safety of the switch, but only 10 N is applied to thin-walled knockout holes.
For observation windows or similar parts installed on electronic switches at a height of more than 1.7 m, a force of 30 N is applied. The test finger shall not be pressed against gaskets or similar parts, which shall be tested in accordance with 13.15.1. Note: In this standard, parts connected to the SELV working power supply are not considered to be live parts. 10.2 Add the following content:
Parts (such as sensor surfaces) that are required to be approached for operation in ordinary electronic switches (see 7.1.4) may be connected to live parts. If connected to live parts, they should be connected through protective impedance. The protective impedance should be composed of at least two independent resistors with the same nominal value connected in series. These resistors should meet the requirements specified in 102.3.
The protective impedance shall not be removed unless the electronic switch is destroyed or rendered unusable. Compliance is checked by inspection and by the following test: Rated voltage (and rated load in the ON state) is measured in the ON and OFF states and/or at the minimum and maximum setting values through a 2 kΩ non-inductive resistor between a single accessible metal part and earth, or between any combination of accessible metal parts and earth. During the measurement, each resistor in the protective impedance is short-circuited in turn to all other components (if any). For frequencies not exceeding 1 kHz, any measured current shall not exceed 0.7 mA (peak) for a.c. or 2 mA for d.c. For frequencies above 1 kHz, the 0.7 mA limit shall be multiplied by the frequency value in kilohertz, but shall not exceed 70 mA. Protective impedances are only used in switches classified as "normal switches" (see 7.1.4). Add the following:
10.101 If the cover, cover plate or fuse can be removed without tools or the instruction manual states: When the fuse needs to be replaced for maintenance, if the cover or cover plate that must be fixed with tools is removed, it must be ensured that there is no contact with live parts after the cover or cover plate is removed. 10.102 If there is a hole for adjusting the set value on the electronic switch, there should be no risk of electric shock when adjusting through the hole. Use the test needle in Figure 101a) to insert this to check whether it meets the requirements. The test needle shall not touch the live parts. 10.103 The ventilation holes above the live parts should be designed so that when the electronic switch is installed according to the normal use requirements, foreign objects entering the ventilation holes will not come into contact with any live parts.
Use the test needle in Figure 101b) to insert the ventilation holes to check whether it meets the requirements. The test needle shall not touch the live parts. 11 Grounding measures
This chapter in GB16915.1-1997 applies. 12 Terminals
This clause in GB16915.1-1997 applies. Note: The wiring capacity of the terminals for circuits other than the main circuit (load circuit) is not proportional to the rated current of the switch. That is, the wiring capacity of the terminals for the wires connected to the external sensor may be different from that of the power supply and load side terminals of the switch. 13 Structural requirements
This clause in GB16915.1-1997 applies with the following modifications. 13.4 Add the following after the first paragraph: It is permitted to have openings that meet the requirements of 10.102 and 10.103. 13.5 is amended to:
If the loosening of the knob of an electronic switch may cause a hazard, the knob shall be tightened in a reliable manner to ensure that it will not loosen during normal use. If the knob is used to indicate the switch position, it shall not be fixed in the wrong position if it causes a hazard if it is fixed in the wrong position.
GB16915.2—2000
Compliance shall be checked by observation and by the following test. In normal use, the axial tension applied to the parts that may be subjected to axial tension shall be maintained for 1 m so as to pull the actuating element off. In normal use, the actuating element is susceptible to axial tension due to its shape and the force applied is 30 N. In normal use, the actuating element is not subjected to axial tension due to its shape and the force applied is 15 N. Then, an axial thrust of 30 N is applied to all actuating elements for 1 min. During and after the test, the switch shall not be damaged and the actuating element shall not move to a point that it does not meet the requirements of this standard. Note: Except for self-hardening resins, sealants and similar materials are considered to be insufficient to prevent loosening. 13.15.1 is changed to:
Seals, lenses, etc. shall be tightened and shall not be displaced due to mechanical or thermal stresses occurring in normal use. Compliance shall be checked by the following test. Install seals, lenses, etc. in the switch for the test. First, install the switch with the seals, lenses, etc. that have been aging treated as specified in 15.1. Then, put the switch in a heating box for 2 hours as specified in 15.1, and keep the temperature in the box at 40℃±2℃. Immediately after the above treatment, use the straight and jointless standard test finger end of the same size as shown in Figure 2 to apply a force of 30N to different parts of the seals, lenses, etc. for 5s.
During the test, the seals, lenses, etc. shall not be deformed so that the live parts become easily accessible. For seals, lenses, etc. that are susceptible to axial tension in normal use, apply an axial tension of 30N for 5s. During the test, the seals, lenses, etc. shall not fall out. Then, install the untreated seals, lenses, etc. and conduct a retest. Add the following content:
13.1011 Only manually operated mechanical switches can be used to change the state of the electronic switch of the motor speed control circuit. The manually operated mechanical switch used for the motor speed control circuit should be a normal gap structure switch. 13.102 The automatic protection device of the electronic switch installed in the lighting circuit should at least have a micro-disconnection structure (as required by GB14536.1). The circuit breaker of the electronic switch used in the motor speed control circuit should be a non-automatic reset type. Whether it meets the requirements of 13.101 and 13.102 shall be checked by observation. 13.103 For electronic switches used to control the voltage of iron core transformers for low voltage incandescent lamps (such as halogen lamps), the maximum tolerance of the true negative half-wave control phase angle is ±2°.
1 Too large tolerance will generate DC current, which affects the temperature rise in the windings of the iron core transformer. 2 The maximum tolerance between the positive and negative half-wave control phase angles can be measured directly or given as a DC voltage as a percentage of the rated voltage. When the control phase angle is 90°: the corresponding maximum tolerance DC voltage is equivalent to 1.1% of the peak voltage. Whether it is qualified or not is checked by measurement.
14 Mechanism
This chapter of GB16915.1-1997 is only applicable to electronic switches equipped with mechanical switches. 15 Resistance to ageing, protection against harmful water ingress and moisture resistance
This chapter of GB16915.1-1997 is applicable. 16 Insulation resistance and electrical strength
This chapter of GB16915.1-1997 is applicable after adding the following content. Instructions for use:
1 Since my country has developed a large number of switches with small gaps and micro-gap structures, this article will not be implemented in my country for the time being. 7
16.2 Add the following note to Table 13:
GB16915.2—2000
Only electronic switches with mechanical switches are tested according to the requirements of item 3. 17 Temperature rise
This chapter in GB16915.1—1997 is changed to the following content. The structure of the electronic switch should ensure that the temperature rise will not exceed the specified value during normal use. The metal and design of the contacts should ensure that the operation of the switch will not be affected by oxidation or any other degradation. The components and materials of the electronic switch should ensure that they will not be harmfully affected by temperature rise during normal use. Compliance is checked by the following test:
Equip the electronic switch with the wire specified in Table 141, with a cross-sectional area of not less than 1.5mm. If there are terminal screws or nuts, tighten them with 2/3 of the torque specified in 12.2.8. Electronic switches for incandescent lamps (suitable for lamps supplied with public power voltage) are loaded with lamps rated at 200W (lamps or resistors with lower ratings may be used to obtain the rated load at the rated voltage). Electronic switches for fluorescent lamps and motors are loaded according to the instruction manual. Other electronic switches should be loaded with the type of load specified in the instruction manual. Note
1 When applying the rated load, short-circuit the electronic switch. 2 If the electronic switch is intended to be loaded with different types of loads, it should be tested with each nominal load. Load the electronic switch until the steady-state temperature is reached at a voltage between 0.9 times and 1.1 times the rated voltage, whichever is the most unfavorable.
Adjust the dimmer and motor speed regulator settings until the maximum temperature rise occurs. . Install the concealed switch in the concealed installation box and then place the box into the pinewood groove. Fill the mortar around the installation box so that the front edge of the box does not protrude above the front surface of the pinewood groove, nor should it be more than 5mm below the surface. Note 3: The test assembly must be dried for at least 7 days after the first production before it can be used for testing. The pinewood groove can be made up of more than one piece. The size of the pinewood groove should be at least 25mm of wood surrounding the mortar, and the mortar surrounds the installation box. The thickness of the mortar at the maximum dimension of each side and bottom of the installation box should be between 10mm15mm. Note 4: The cavity in the pinewood groove can be cylindrical. The cable connecting the electronic switch should enter from the top of the installation box, and the entry point should be sealed to prevent air circulation. The length of each wire in the installation box is 80mm±10mm .
Surface-mounted electronic switches should be installed in the center of a pine block in accordance with normal use requirements. The block should be at least 20 mm thick, 500 mm wide and 500 mm high.
Other types of electronic switches should be installed in accordance with the manufacturer's specifications. If there are no specifications, they should be installed in the location where the most severe conditions occur during normal use. The test assembly should be tested in a non-ventilated environment. The temperature should be measured using melting particles, color change indicators or thermocouples. The selection and placement of these measuring instruments should be so that their effect on the measured temperature is very small and can be ignored.
During the test, the state of the electronic switch shall not change, fuses and other protective devices shall not operate, and the allowable temperature rise value specified in column 1 of Table 102 shall not be exceeded.
After the test, the electronic switch should Can work normally. If sealant is used, the sealant shall not flow to expose live parts. Whether it is qualified shall be checked by observation.
Adoption instructions:
1 The IEC drafting group believes that the wire should be selected according to Table 14. 8
GB16915.2-2000
5 In order to carry out the test of 21.3, it is necessary to determine the temperature rise of the external parts of the insulating material that are in contact with the current-carrying parts and the grounding parts, but not necessary to keep them in normal position.
Excessive oxidation of the contacts can be prevented by sliding action or by using silver contacts or silver-plated contacts. 7 Beeswax balls with a diameter of 3mm (melting point of 65℃) can be used as melting particles. 8 If it is a combination switch, each electronic switch should be tested separately. When conducting the tests of 102.2, 102.3 and 102.4.1, the reference temperature around the electronic switch components is the highest temperature rise measured on the components during the test plus 25℃.
Add the following content:
Table 102
(This table is based on Table I of GB8898)
Components of electronic switches
External components
Metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1)
Non-metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1 and Note 2)
Insulation material inside the housing
Winding (Note 4) 1
Grade A
Grade E
Grade B
Grade F
Grade H
Grade 200
Grade 220
Grade 250
Core selection
Power cord and lead
Ordinary PVC insulation (Note 8)||t t||Mechanically stress-free
Mechanically stressed
Natural rubber insulation
Other insulating materials other than thermoplastic materials (Note 4 and Note 7)Non-impregnated paper
Non-impregnated paperboard
Impregnated yarn, silk, paper, fabric and urea resinPhenolic resin laminates, fiber-filled phenolic compression molded productsMineral-filled phenolic compression molded products
Epoxy resin laminates||tt ||Natural rubber
Thermoplastic material (Note 5)
Adoption instructions:
Chapter 17
(Note 3)
Allowable temperature rise, K
Chapter 101
(Note 3)
Relative to the relevant winding
(Note 6)
1] In the original text of IEC60669-2-1:1996, this column is part of the specific materials. From the perspective of technological development, this column is changed to be assessed according to the insulation material grade and allowable temperature rise.Tighten with 2/3 of the torque specified in 8. Electronic switches for incandescent lamps (applicable to lamps supplied with public power voltage) are loaded with lamps rated at 200W (lamps or resistors with lower ratings may be used to obtain the rated load at the rated voltage). Electronic switches for fluorescent lamps and motors are loaded according to the instruction manual. Other electronic switches should be loaded with the types of loads specified in the instruction manual. Note
1 When the rated load is applied, short-circuit the electronic switch. 2 If the electronic switch is intended to be loaded with different types of loads, it should be tested with each nominal load. Load the electronic switch until the steady-state temperature is reached at a voltage between 0.9 and 1.1 times the rated voltage, whichever is the most unfavorable.bzxz.net
Adjust the dimmer and motor speed regulator settings until the maximum temperature rise occurs. . Install the concealed switch in the concealed installation box and then place the box into the pinewood groove. Fill the mortar around the installation box so that the front edge of the box does not protrude above the front surface of the pinewood groove, nor should it be more than 5mm below the surface. Note 3: The test assembly must be dried for at least 7 days after the first production before it can be used for testing. The pinewood groove can be made up of more than one piece. The size of the pinewood groove should be at least 25mm of wood surrounding the mortar, and the mortar surrounds the installation box. The thickness of the mortar at the maximum dimension of each side and bottom of the installation box should be between 10mm15mm. Note 4: The cavity in the pinewood groove can be cylindrical. The cable connecting the electronic switch should enter from the top of the installation box, and the entry point should be sealed to prevent air circulation. The length of each wire in the installation box is 80mm±10mm .
Surface-mounted electronic switches should be installed in the center of a pine block in accordance with normal use requirements. The block should be at least 20 mm thick, 500 mm wide and 500 mm high.
Other types of electronic switches should be installed in accordance with the manufacturer's specifications. If there are no specifications, they should be installed in the location where the most severe conditions occur during normal use. The test assembly should be tested in a non-ventilated environment. The temperature should be measured using melting particles, color change indicators or thermocouples. The selection and placement of these measuring instruments should be so that their effect on the measured temperature is very small and can be ignored.
During the test, the state of the electronic switch shall not change, fuses and other protective devices shall not operate, and the allowable temperature rise value specified in column 1 of Table 102 shall not be exceeded.
After the test, the electronic switch should Can work normally. If sealant is used, the sealant shall not flow to expose live parts. Whether it is qualified shall be checked by observation.
Adoption instructions:
1 The IEC drafting group believes that the wire should be selected according to Table 14. 8
GB16915.2-2000
5 In order to carry out the test of 21.3, it is necessary to determine the temperature rise of the external parts of the insulating material that are in contact with the current-carrying parts and the grounding parts, but not necessary to keep them in normal position.
Excessive oxidation of the contacts can be prevented by sliding action or by using silver contacts or silver-plated contacts. 7 Beeswax balls with a diameter of 3mm (melting point of 65℃) can be used as melting particles. 8 If it is a combination switch, each electronic switch should be tested separately. When conducting the tests of 102.2, 102.3 and 102.4.1, the reference temperature around the electronic switch components is the highest temperature rise measured on the components during the test plus 25℃.
Add the following content:
Table 102
(This table is based on Table I of GB8898)
Components of electronic switches
External components
Metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1)
Non-metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1 and Note 2)
Insulation material inside the housing
Winding (Note 4) 1
Grade A
Grade E
Grade B
Grade F
Grade H
Grade 200
Grade 220
Grade 250
Core selection
Power cord and lead
Ordinary PVC insulation (Note 8)||t t||Mechanically stress-free
Mechanically stressed
Natural rubber insulation
Other insulating materials other than thermoplastic materials (Note 4 and Note 7)Non-impregnated paper
Non-impregnated paperboard
Impregnated yarn, silk, paper, fabric and urea resinPhenolic resin laminates, fiber-filled phenolic compression molded productsMineral-filled phenolic compression molded products
Epoxy resin laminates||tt ||Natural rubber
Thermoplastic material (Note 5)
Adoption instructions:
Chapter 17
(Note 3)
Allowable temperature rise, K
Chapter 101
(Note 3)
Relative to the relevant winding
(Note 6)
1] In the original text of IEC60669-2-1:1996, this column is part of the specific materials. From the perspective of technological development, this column is changed to be assessed according to the insulation material grade and allowable temperature rise.Tighten with 2/3 of the torque specified in 8. Electronic switches for incandescent lamps (applicable to lamps supplied with public power voltage) are loaded with lamps rated at 200W (lamps or resistors with lower ratings may be used to obtain the rated load at the rated voltage). Electronic switches for fluorescent lamps and motors are loaded according to the instruction manual. Other electronic switches should be loaded with the types of loads specified in the instruction manual. Note
1 When the rated load is applied, short-circuit the electronic switch. 2 If the electronic switch is intended to be loaded with different types of loads, it should be tested with each nominal load. Load the electronic switch until the steady-state temperature is reached at a voltage between 0.9 and 1.1 times the rated voltage, whichever is the most unfavorable.
Adjust the dimmer and motor speed regulator settings until the maximum temperature rise occurs. . Install the concealed switch in the concealed installation box and then place the box into the pinewood groove. Fill the mortar around the installation box so that the front edge of the box does not protrude above the front surface of the pinewood groove, nor should it be more than 5mm below the surface. Note 3: The test assembly must be dried for at least 7 days after the first production before it can be used for testing. The pinewood groove can be made up of more than one piece. The size of the pinewood groove should be at least 25mm of wood surrounding the mortar, and the mortar surrounds the installation box. The thickness of the mortar at the maximum dimension of each side and bottom of the installation box should be between 10mm15mm. Note 4: The cavity in the pinewood groove can be cylindrical. The cable connecting the electronic switch should enter from the top of the installation box, and the entry point should be sealed to prevent air circulation. The length of each wire in the installation box is 80mm±10mm .
Surface-mounted electronic switches should be installed in the center of a pine block in accordance with normal use requirements. The block should be at least 20 mm thick, 500 mm wide and 500 mm high.
Other types of electronic switches should be installed in accordance with the manufacturer's specifications. If there are no specifications, they should be installed in the location where the most severe conditions occur during normal use. The test assembly should be tested in a non-ventilated environment. The temperature should be measured using melting particles, color change indicators or thermocouples. The selection and placement of these measuring instruments should be so that their effect on the measured temperature is very small and can be ignored.
During the test, the state of the electronic switch shall not change, fuses and other protective devices shall not operate, and the allowable temperature rise value specified in column 1 of Table 102 shall not be exceeded.
After the test, the electronic switch should Can work normally. If sealant is used, the sealant shall not flow to expose live parts. Whether it is qualified shall be checked by observation.
Adoption instructions:
1 The IEC drafting group believes that the wire should be selected according to Table 14. 8
GB16915.2-2000
5 In order to carry out the test of 21.3, it is necessary to determine the temperature rise of the external parts of the insulating material that are in contact with the current-carrying parts and the grounding parts, but not necessary to keep them in normal position.
Excessive oxidation of the contacts can be prevented by sliding action or by using silver contacts or silver-plated contacts. 7 Beeswax balls with a diameter of 3mm (melting point of 65℃) can be used as melting particles. 8 If it is a combination switch, each electronic switch should be tested separately. When conducting the tests of 102.2, 102.3 and 102.4.1, the reference temperature around the electronic switch components is the highest temperature rise measured on the components during the test plus 25℃.
Add the following content:
Table 102
(This table is based on Table I of GB8898)
Components of electronic switches
External components
Metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1)
Non-metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1 and Note 2)
Insulation material inside the housing
Winding (Note 4) 1
Grade A
Grade E
Grade B
Grade F
Grade H
Grade 200
Grade 220
Grade 250
Core selection
Power cord and lead
Ordinary PVC insulation (Note 8)||t t||Mechanically stress-free
Mechanically stressed
Natural rubber insulation
Other insulating materials other than thermoplastic materials (Note 4 and Note 7)Non-impregnated paper
Non-impregnated paperboard
Impregnated yarn, silk, paper, fabric and urea resinPhenolic resin laminates, fiber-filled phenolic compression molded productsMineral-filled phenolic compression molded products
Epoxy resin laminates||tt ||Natural rubber
Thermoplastic material (Note 5)
Adoption instructions:
Chapter 17
(Note 3)
Allowable temperature rise, K
Chapter 101
(Note 3)
Relative to the relevant winding
(Note 6)
1] In the original text of IEC60669-2-1:1996, this column is part of the specific materials. From the perspective of technological development, this column is changed to be assessed according to the insulation material grade and allowable temperature rise.1, the reference temperature around the electronic switch component is the maximum temperature rise measured on the component during the test plus 25°C.
Add the following content:
Table 102
(This table is based on Table I of GB8898)
Electronic switch components
External components
Metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1)
Non-metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1 and Note 2)
Insulation material inside the housing
Winding (Note 4) 1
Grade A
Grade E
Grade B
Grade F
Grade H
Grade 200
Grade 220
Grade 250
Core selection
Power cord and lead
Ordinary PVC insulation (Note 8)||t t||Mechanically stress-free
Mechanically stressed
Natural rubber insulation
Other insulating materials other than thermoplastic materials (Note 4 and Note 7)Non-impregnated paper
Non-impregnated paperboard
Impregnated yarn, silk, paper, fabric and urea resinPhenolic resin laminates, fiber-filled phenolic compression molded productsMineral-filled phenolic compression molded products
Epoxy resin laminates||tt ||Natural rubber
Thermoplastic material (Note 5)
Adoption instructions:
Chapter 17
(Note 3)
Allowable temperature rise, K
Chapter 101
(Note 3)
Relative to the relevant winding
(Note 6)
1] In the original text of IEC60669-2-1:1996, this column is part of the specific materials. From the perspective of technological development, this column is changed to be assessed according to the insulation material grade and allowable temperature rise.1, the reference temperature around the electronic switch component is the maximum temperature rise measured on the component during the test plus 25°C.
Add the following content:
Table 102
(This table is based on Table I of GB8898)
Electronic switch components
External components
Metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1)
Non-metal components
Knobs, handles, sensing surfaces, etc.
Casing (Note 1 and Note 2)
Insulation material inside the housing
Winding (Note 4) 1
Grade A
Grade E
Grade B
Grade F
Grade H
Grade 200
Grade 220
Grade 250
Core selection
Power cord and lead
Ordinary PVC insulation (Note 8)||t t||Mechanically stress-free
Mechanically stressed
Natural rubber insulation
Other insulating materials other than thermoplastic materials (Note 4 and Note 7)Non-impregnated paper
Non-impregnated paperboard
Impregnated yarn, silk, paper, fabric and urea resinPhenolic resin laminates, fiber-filled phenolic compression molded productsMineral-filled phenolic compression molded products
Epoxy resin laminates||tt ||Natural rubber
Thermoplastic material (Note 5)
Adoption instructions:
Chapter 17
(Note 3)
Allowable temperature rise, K
Chapter 101
(Note 3)
Relative to the relevant winding
(Note 6)
1] In the original text of IEC60669-2-1:1996, this column is part of the specific materials. From the perspective of technological development, this column is changed to be assessed according to the insulation material grade and allowable temperature rise.
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