GB 19517-2004 National Electrical Equipment Safety Technical Specifications
Some standard content:
National Standard of the People's Republic of China
CB 19517--2004
National Safety Technical Code for Electrical Equipment
National Safety Technical Code for Electrical Equipment equipments2004-05-14 issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration
2005-02-01 implementation
Safety technical requirements
First edition requirements
2.2 Electrical hazard protection
Strategy for hazard prevention
Electrical joint transmission equipment
Method for hazard prevention
Hazard control and equipment hazard protection
Inspection items
Inspection and supervision regulations
3.3 Inspection report
Implementation and supervision
5 Activity measurement tasks
Except for Appendix A (current normative appendix)
Appendix (double normative appendix)
Conform to relevant standards
Terms and definitions
GB 19517—20Q4
All technical contents of this installation technical specification are mandatory. Foreword
GB195172004
All kinds of electrical equipment professional development enterprise standards must include micro-combined household electrical appliances safety technical requirements specifications, open the necessary table in the standard, combined with the special parts of various electrical products to supplement and promote the number, regulations and special requirements, the list of national electrical equipment safety technical specifications appendix is full of electrical equipment essential safety requirements of the undated professional product conformity certification normative appendix, belonging to the list 1 is the international list of norms, this technical specification is proposed by the China National Electrical Equipment Safety Control Technology Association, this technical specification is the national standard for the current national electrical equipment safety control technology standard; approved by Beijing Institute of Construction Technology and Economics, Shanghai Electric Tool Research Institute. The drafting units of this technical specification are: Shanghai Institute of Drugs, Shanghai Institute of Device Science, Guangzhou Institute of Electrical Engineering, Guangxi Institute of Electrical Engineering, Dajin Electrical Transmission Equipment Research Institute, National Network Power Research Institute, Xushan Relay Research Institute. The drafters of this technical specification are Li Feng, Fang Xiaoyan, Ji Bangxie, Chen Kun, Liu Chenghuo, Chang Qiming, Wen Gong, Tu Xuejiang, Chui Huixia, Luo Beiping, He Ping, Liu Wen, Jiu Hongqiang, Xiang Yayu, and Ou Huian. This technical specification is promoted by the National Standard (National Standard Beijing GD19517-2004) and is a standard for the safety of electrical equipment. It is designed to ensure that the overall safety level between the equipment, the environment and the products is within the acceptable range. The requirements for the improvement of electrical equipment, such as manufacturing and sales, are as low as possible, and the safety level is within the acceptable range. The standard also contains six safety requirements for equipment with special features. The standard also contains the following two parts: safety requirements for equipment with special features. The standard also contains the following two parts: safety requirements for equipment with special features. The standard also contains the following two parts: safety requirements for equipment with special features. The standard also contains the following two parts: safety requirements for equipment with special features. The "National Technical Specification for Safety of Electrical Equipment" only puts forward the requirements of the safety equipment, the requirements of the service, the design, the technical requirements and the common principles and points of prevention, and only supplements the requirements of the A and B standards, whether complete or not. The necessary requirements in the comprehensive requirements should be studied and tested according to the rules and regulations: the requirements should be checked according to the actual needs, scientific, reasonable, and standardized. The overall requirements of the product must be maintained under the overall requirements of the whole product, and all necessary technical requirements must be met. It can be supplemented and modified. 1 General Provisions
National Technical Specification for Safety of Electrical Equipment
G R13517—2004
1.1 This technical specification is used for all kinds of electrical equipment with AC voltage between CV and 1CCV and DC voltage between 75V-16uV. This equipment includes:
1: Electrical equipment designed and operated by non-professionals, direct contact users, and handheld devices! All electrical equipment is used in electrical work areas or closed electrical work areas, mainly by professional or trained personnel.
1.2 In the People's Republic of China, the manufacture, sale and use of industrial equipment must comply with this technical specification. Export products can be implemented according to the provisions of the regulations.
1.3 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.3 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.4 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.5 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.6 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.7 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.8 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.9 This technical specification stipulates the common safety requirements for the design, manufacture, sale and use of various electrical equipment, used as:
1.10 1.4 Other safety requirements are also set for electrical equipment, and electrical equipment should also meet the corresponding requirements. The technical requirements for electrical equipment safety specified in this technical specification should be specified in the professional standards of electrical equipment, and be specified through relevant demonstration and verification, supplementary technical data: .5: This technical specification does not apply to materials and auxiliary materials used in electrical equipment, semi-finished products or finished products that are not independently used; electrical equipment used in medical and natural gas environments: electrical equipment used in explosion-proof systems: self-propelled stimulators: special electrical equipment such as ships, aircraft and aircraft. 1.6 The "hazards" covered by this technical specification do not include the hazards caused by improper installation, maintenance or repair of electrical equipment, and the hazards caused by the use of electrical equipment not in accordance with the design. 2 Safety technical requirements
2.1 General requirements
2.1.1 Electrical equipment must be constructed in accordance with this technical specification to ensure safety within a certain period of observation and to prevent hazards. The safety technologies used in electrical equipment shall be implemented in the order of interconnection safety technology, intermittent safety technology, and directive safety technology. 2.1.2 The design and manufacture of electrical equipment shall ensure that the product has the greatest possible safety. The electric shock protection system shall be implemented in accordance with the safety requirements of the manufacturer. 2.1.3 When the electrical equipment is put into use, special safety measures that are particularly related to the availability and function of the equipment may be adopted: if the necessary safety can be achieved for the user or third party, individual measures may be different from the provisions of this technical book. 2.1.4 When the electrical equipment is used in the design and trial use, if it is not in the special environment, it must also comply with this technical book under special conditions. 19517—2004
Specification.
2.1.5 Each gas equipment must be able to withstand the effects of static or dynamic load reduction, heat or special climate conditions that may cause physical and chemical hazards. 2.1.6 The selection of gas equipment shall be based on the industry standard for the use of special safety equipment. 2.1.7 The fuel and medium used in electrical equipment shall not have harmful effects, and the internal design must be used in the design. 2.1.8 When manufacturing electrical equipment, materials that can withstand the physical and chemical effects of aging, corrosion, gas, radiation, etc. that may occur during the use of the equipment shall be used. 2.1.9 The design of electrical equipment shall be ergonomic, structural, and easy to use to prevent danger. 2.2 Protection against electrical hazards can be achieved by using continuous protection technology and direct contact protection. 2.2.1 In order to ensure normal operation and prevent the danger caused by the direct action of the power supply, each electrical device must have sufficient insulation resistance. Dielectric strength, heat resistance, humidity resistance, dynamic seconds, flame retardancy, resistance to electrical shock and other electrical insulation properties. 2.2.2 In the event of an accident in the vehicle, there is a risk of alternating contact voltage, additional insulation is prohibited or the insulation period is extended. 2.2.3 To prevent the external part from melting, the old electrical equipment can be connected to the external part, or the old electrical equipment can be installed in a sealed electrical work site. Only workers are allowed to open the parts that are directly protected by the protection. When the electrical equipment is powered by extra-low voltage, and when it is directly connected to the bottle, there is only one frequency, and the energy size is limited to one person without any danger. The above-mentioned point connection protection measures can be omitted. 2.2.4. Electrical equipment must be guaranteed to be insulated and the equipment must have grounding protection, double insulation structure, or safe extra-low voltage protection facilities. Double insulation and safe extra-low voltage protection facilities are not allowed to have protective grounding equipment. There are parts that may cause damage due to working voltage, electric noise, leakage current or similar. There must be enough electrical spacing and creepage distance.
2.2.5 Appropriate protective measures should be taken. The electrical equipment itself is protected from the dangers caused by the high temperature, electric shock, radiation, gas, lightning, and other non-electrical energy generated by the adjacent equipment. Appropriate measures should be taken to prevent the electrical equipment from being overloaded, indirect effects of external factors such as shock pressure, moisture, and foreign objects.
2.3 Mechanical Hazard Protection
2.3.1 Electrical equipment should have adequate strength, good enclosure protection and corresponding stability, and should be suitable for transportation. 2.3.2 Appropriate measures should be taken to avoid sharp corners and corresponding surface components of the equipment. 2.3.3 Appropriate measures should be taken to avoid touching or heating the moving parts of the equipment during normal use, to avoid dust, liquids, and gas, and to avoid heat reduction of the enclosure. 2.4 Electrical Connections Mechanical Connections
2.4.1 Electrical equipment must be connected to the power supply source: The power cable should use rubber insulated soft wire or soft cable, or colored vinyl chloride insulated cable. The green/green composite insulated wire core in the power cord can only be connected with special connectors. The power cable should be connected with a motherboard or equivalent, and the special installation should be fixed. Connect the power supply coupler, disconnect the protective grounding conductor before connecting the converter, and connect the control grounding conductor before connecting the power supply.
2, 4.2 All installed firmware that can be built according to the proposed technology should be able to withstand the mechanical stresses caused by normal use. 2..3 Electrical connections made of insulating materials cannot be used: Screws made of insulating materials cannot be used. If the electrical insulation is damaged by high-frequency use, the electrical insulation will be damaged. The components cannot be manufactured with the same source as CI 19517—2004
Often change the frequency of external electrical equipment. If the frequency of change is long, it needs to be replaced. There should be no insulation caused by electric shock:
2.4.4 Electrical connections of electrical equipment, such as mechanical connections and connecting devices, connectors, terminals, conductors, etc., must be non-locked. 2.5 Operating Hazard Protection
2.5.1 When the equipment is not running, special protection such as furnace room, exhaust section, etc. can be used to prevent the workpiece from expanding or releasing fire. 2.5.2 The noise of electrical equipment should be reduced by using technologies such as leveling, vibration reduction, isolation, silencing, and conduction to keep it as low as possible. 2.5.3 Proper measures should be taken to avoid dangerous heat or low heat points in electrical equipment during operation. Electrical equipment with low medium should not be used under certain working conditions. 2.5.4 In order to deal with the new dust, steam or gas installed in the electrical equipment, or such substances generated during operation, they must be reliably sealed or discharged to prevent danger: 2.6 Power control and its degree of protection 2.6.1 The core of the electrical equipment: It must be able to switch on and off to control the changeover, so that it has the maximum safety margin. 2.6.2 The control mechanism must have the function of risk reduction and protection. 2.6.3 The equipment must be equipped with emergency power lines. In the event of a danger, please operate the switch quickly and without emergency warning: There are several small signs of dangerous movement, and the switch cannot be used quickly and without danger. There will be no incidental dangers in the disconnection unit. 2.6.4 During installation and maintenance, inspection and maintenance should be carried out to ensure that there is no human body part (for example, the following) entering the maintenance area. Electrical equipment must be deep enough to be started and started. 26.5 Handheld electrical appliances must be ensured to be used only when the handle is not loose and the power is on, or the appliance is automatically disconnected when in use. 2.7 Marking Marks are necessary parts of the equipment. Their characteristics and practices must be clearly stated and they must comply with the standards. They must be clearly identified and used. They must not be clearly and permanently marked on the product. They cannot be marked on the product. They should be marked on the packaging box or stated in the instructions for use. The manufacturer's name or trademark and place of origin of the equipment should be clearly marked on the product. If no marking is used, The minimum gas installation standard should be set.
3 Inspection
3.1 Inspection items
3.1.1 The inspection items should comply with the inspection principle: the first technical requirements should specify a test method that can be performed. If a test method must be used, then the arbitration method must be determined. 3.2 Inspection items: the flash test procedure, the ambient temperature, etc. will affect the test results. Make sure the test medium, the temperature during the test, etc.! Regulations, the safety of dangerous parts, and strict regulations on measures to prevent danger: 3.1.3 The instruments, equipment, etc. must meet the specified accuracy level. 1: Only measuring instruments and equipment can be replaced by factory inspection. 3.2 Inspection rules
3.1 Inspection of gas equipment can only be replaced by factory inspection. Type, H strong under the source of the examination, the successive judgment type inspection, the new product is determined:
a design, the village science or process changes to cause natural changes: 3
GB195172004
the results of the factory inspection and the previous type inspection results have unacceptable deviation: regular quality spot check inspection.
3.2.2 The inspection selection has the sample of the product sent for inspection: the inspection shall meet the conditions for judging the product as qualified; the difference between the qualified product and the inspection shall be given again.
3.2.3 Type inspection can be used for sampling inspection or to simplify the selection process: sampling inspection shall determine the detailed sampling plan, sampling and sampling method, judgment rules and re-inspection rules. 3.3 Inspection report
3.3.1 Inspection report shall be issued by the testing organization designated by the state. 3.3.2 Inspection report shall be valid for 12 months. 4 Implementation and supervision
4.1 According to the relevant provisions of the Standardization Law of the People's Republic of China and the Implementation of the Standardization Law of the People's Republic of China, the units and individuals involved in scientific research, production and funding shall strictly implement this technical specification. Products that do not meet the technical specifications shall be prohibited from production, sale and import.
42 According to the relevant provisions of the Standardization Law of the People's Republic of China and the Implementation of the Standardization Law of the People's Republic of China: The state, enterprises, institutions and all citizens have the right to report, appeal and report any behavior that violates this technical specification. 4.3 According to the relevant provisions of the Product Quality Law of the People's Republic of China, the state implements a random inspection system for the quality of electrical equipment (products).
4. All technical control and safety certification work shall be carried out in accordance with relevant national laws, regulations and provisions. 4.5 The production license involved in this technical specification shall be carried out in accordance with relevant national laws, regulations and provisions. 5 Legal liability
5.1. Any behavior that violates this technical specification shall be punished in accordance with the provisions of the Standardization Law of the People's Republic of China, the Product Quality Law of the People's Republic of China and other relevant laws and regulations.
Low-voltage electrical appliances
Only A
(Normative Appendix)
Compliance standard:
G5329 Grade 1 requirements for protective devices [B Standard protective devices for household and similar use in road repair GB 195172004
B1916.1 Residual current operated circuit breakers (RCCB) for household and similar purposes without overcurrent protection Part 1: Section 1 GB16916.21 Residual current operated circuit breakers (RCCB) for household and similar purposes without overcurrent protection Part 2.1: Applicability of the load rule to R with test function independent of line voltage H G16911.22 Residual current operated circuit breakers (RCCB) for household and similar purposes without overcurrent protection Part 2.2:
Section 1: Applicability of the load rule to R with test function dependent on line voltage G167.1 Residual current operated circuit breakers (RCO) with overcurrent protection for household and similar purposes Part 1: Section 1 GB1(S1?.Domestic dual-purpose residual current circuit breakers (RCO) with medium current protection, Part 1: Applicability of the O-type with weak current protection B1b91722 Domestic similar private outlets with residual current protection (RCB>> Part 2: General design of the suitability of the R-type with respect to the action kinetic energy and the related electrical equipment G1785 Domestic and American similar electric touch-type GB1539 .! Low voltage fuse Part 1: English version B13539, carbon pressure fuse selection Part 1: Supplementary requirements for fuses reused by professional personnel (mainly used in industry)
GB13539.3 Disassembly and melting, Part 1: Supplementary requirements for fuses used by skilled personnel (mainly used for household general purpose fuses:
CB?3533.4 Low voltage fuse: semiconductor device Supplementary requirements for fuses for protection of components: 334. Low-voltage fuses Part 3, Supplementary requirements for fuses for non-thermal use (mainly for household and similar series of standard fuses CB881 switchgear energy-saving devices
(-9/T12\48., General provisions for low-voltage switchgear and control equipment GB14049.2 Low-voltage switchgear and control equipment, low-voltage circuit breaker
CB1C1X.3 Main parts of low-voltage switchgear and control equipment: high-voltage circuit breakers, isolating switches, fuse combination appliances GB141;48.4 Low-voltage switchgear and control equipment, low-voltage single-type contactors and automatic starters G1151R. Low-voltage switchgear and control equipment, Part 5-: that part; circuit breakers and switchgear, control devices and actuators
GB 140I8.8
Relays and motor starters Part 2, Switchgear and control equipment for AC semi-conductor motors
Low-voltage switchgear and control equipment Part 1: Terminals for conductors and connections for low-voltage switching equipment and control equipment Part 2, Terminals for conductors and connections for conductors GB 14048.
Low-voltage equipment: multifunctional switching equipment) Part 2 Control and protection switchgear (equipment:
G/T14048.10 Low-voltage switching equipment and control equipment Control devices and switch components Part 2: Closed-circuit GB 19517.-2Q04
Low-voltage complete switchgear and controlgear
Part 1, Type test and part type test of complete switchgear and controlgear G1.? Engineering complete switchgear and controlgear
Part 2, Special requirements for busbar and busbar systems [busbar capture] GB25: .3 Low-voltage or non-restricted equipment and controlgear Part 2: Special requirements for low-voltage switchgear and controlgear for non-professionals C B7251.4 Requirements for low voltage equipment and control systems Part 4: Requirements for low voltage equipment and control systems for construction sites Part 5: Requirements for low voltage equipment and control systems for outdoor public places (CIICs) CB3797 Part 1: Requirements for motors for electric excavation equipment equipped with rotating machines G12350 Safety requirements for low power motors H1333 2 Rotating machine equipped with heat protection device general requirements 313711 small and medium-sized rotating motor safety applicable to clothing light off transformer equipment
GH1302H off transformer and safety technical requirements for high-voltage electric workers
GB3383.1 Hand-held electric workers' dust Part 1: General safety requirements 888.2 Safety of hand-held power tools Part 2, dry wire and hand-held safety requirements 33 Change 3.3 For hand-held electric tools only Part 2; electric grinders, polishers and disc polishers Special requirements for hand-held electric tools Part 1: Special requirements for optical machines.
GB3383. Safety of hand-held electric tools Part 2: Special requirements for circular knives of mesh saws 3. Safety of hand-held electric tools Part 2: Special requirements for electric knives
(33383.7 Safety of hand-held electric tools 43883.8 Safety of hand-held electric tools Part 1: Special requirements for knives Safety of hand-held electric tools
C= 3833.9 Part 2: Special requirements for hand-held electric tools Part 2: Safety requirements for improved performance GB 383.10 GB 38,15 Safety requirements for hand-held electric tools Part 1: Safety requirements for hand-held electric tools GB 3883.13 GB 3RR3.1.1 Part 2: Special requirements for hand-held electric tools (without combustion engines) Part 2: Special requirements for electric spraying machines Part 2: Safety requirements for hand-held electric tools GB 333.1
Village-style electric! GB 3883.13 Safety of semi-handheld electric tools GB 3883.14 Safety of semi-handheld electric tools GB 3883.18 Safety of semi-handheld electric tools Part 1: Safety requirements for electric shears and electric shears Part 2: Special requirements for electric nail cutters Part 2: Special requirements for electric milling machines and electric edge cutters Part 1: Safety requirements for portable electric tools Part 2: Special requirements for portable electric tools Part 3: Safety of portable electric tools Part 4: Safety requirements for portable electric tools Part 5: Safety of portable electric tools Part 63 1.1060.3 Safety of portable electric tools 3960, 4
Safety requirements for portable single-acting tools GB13G.5 Safety requirements for portable electric tools Special requirements for tabletop saws GB15960.6 Safety requirements for portable electric tools Special requirements for band saws GB16O.?
Safety of portable electric tools Part 2: Special requirements for water-jet diamond drills Safety of portable electric tools Part 2: Special requirements for water-jet diamond drills Safety of portable electric tools Part 1: Special requirements for cutting and scraping machines GB13S6C.9
1 Safety of portable electric tools Part 2: Special requirements for single-axis small tools GH 13SEC:7
GB ISeeo. 1
Safety of portable electric tools Part 1: Special requirements for profile saws GR 1396G.:2
Safety requirements for portable electric tools Part 2: Requirements for the use of high-voltage iron cleaning machines Electric welding machines
GB10255
Safety requirements for transformer protection devices
CR157R
Safety requirements for resistance welding machines
B15573 Safety requirements for welding equipment Part 11: Welding parts CB15579.11 Safety requirements for arc welding equipment Part 11: Torch clamps 5379.12 Safety requirements for welding equipment Part 12: Automatic controllers for welding joints
CB14536.1 Household and similar electric automatic controllers Part 1: 11453.% Special requirements for household and similar electric automatic controllers for household electric control devices G14536.5 Special requirements for thermal protectors of electric motors for household and similar automatic controllers
Household and similar electric controllers
GB195172004
Special requirements for thermal protectors of sound-shaped fluorescent lamps GR14536.E
Household and similar purpose dispatching controllers
Durability requirements for electric thermal furnaces for semi-wide sealed motors
Household and similar electric automatic controllers
GB 14556.6
Special requirements for automatic control systems of induction motors CB14536, Y
Special requirements for pressure induction automatic controllers (including mechanical requirements) CR1453G.9
Household and similar electric automatic controllers
Household power supply and power control devices
GB14536.3
Standard requirements for timers and time switches
Special requirements for electric water valves (including mechanical requirements) CB14536.0
Special requirements for household and similar electric automatic controllers GH14536,:1
Special requirements for starting relays for motors; Automatic electric controllers for fuel-fired applications: GB14536.22
Special requirements for energy-saving devices for household and similar automatic control devices; CB14536.3Special requirements for electric door locks for household and similar automatic or shuttle control devices; GB14=36.152
Special requirements for electric starters for household and similar automatic control devices; G14G.1GSpecial requirements for electric starters for household and similar automatic control devices; S8Safety requirements for equipment for steel and steel receiving equipment; GR 4Y8,
Safety requirements for electrical equipment for measurement, control and laboratory use Part 1: General requirements Measuring relays and protective equipment
GH163 General requirements for measuring relays and protective equipment Electrical accessories
Type, basic number and dimensions of single-phase inlet sockets for household and similar use GB1002
Type, basic number and dimensions of single-phase inlet sockets for household and similar use GB 19517--2004
B2049, 1 Plugs and sockets for household and similar purposes Part 1: General requirements [2099.2 Plug sockets for household and similar purposes Part 2: Particular requirements for appliance sockets GH2099.3 Plug sockets for household and similar purposes Part 2: Particular requirements for converters (H/111913 Plug sockets and couplers for industrial use Part 1: Calling requirements 1/T11919 Plugs and sockets for industrial use Part 1: Dimensions and convertibility requirements for electrical accessories with plugs GB13140.1
GR 131=0.2
Connectors for low-voltage circuits for household and similar purposes Part 1: Applicable connectors for low-voltage circuits for household and similar purposes Part 1: Particular requirements for connectors with screw-type fasteners as independent components
GB 13_40.3
Connecting devices for low-voltage circuits for household and similar purposes Part 2: Particular requirements for connectors with non-accumulative clamping parts as independent units
GB 131=U. 4
Connecting devices for low-voltage circuits for household and similar purposes: Part 2: Particular requirements for connectors with non-accumulative clamping parts as independent units
GB 1314U.5
Connectors for household and similar low-voltage circuits: Part 2: Particular requirements for type-type connectors 6 Connectors for household and similar low-voltage circuits Part 2: Particular requirements for connectors for Swiss wide-band transformers (connectors and/or GJ.1140.6
Contacts for the exhibition of special requirements
GB16.7 Safety requirements for combined sockets with switches and circuit breakers for household and similar purposes B159.
CB 1591,2
GH:5313.3
GH_7196
Household and similar electrical appliances Part 1 General requirements Household and similar electrical appliances Part 2: Requirements for electrical appliances Part 1: Switches for household and similar electrical appliances Part 2: Special requirements Part 2: Safety requirements for quick-connect terminals for reverse-controlled flight control devices GF_7464
Safety requirements for threaded fasteners for connecting devices and adjusting wires GB17455.1 Household and similar electrical appliances Part 1: Spring-loaded connections GB17465.2 Household and similar electrical appliances Part 2: Interconnection of electrical appliances for household and similar purposes Part 2: Switches for household and similar electrical appliances
GB15092.1
GB 15092.2
GB15092.3
GB 15003.4
GB/T953S
CB/T-7209
GB/T -7210
GB/T =5451
GB/T :5152
GB/T-S495
Appliance switches - Part 1: General requirements
Group switches - Part 2: Special requirements for transfer switches and switches
Part 2: Special requirements for transfer selectors and switches Part 3: Special requirements for independently mounted switches Part 1: General specifications for electromechanical switches Part 2: Sectional specifications for rotary switches Part 1: General specifications for electromechanical switches Part 2: Sectional specifications for rotary switches 100、Blank detailed specification
Mechanical switches for equipment Part 3: Component specification for in-line packaged switches Part 7: Component specification for in-line packaged switches Part 4: Component specification for in-line packaged switches Part 5: Component specification for in-line switch GB/T-6311
CH:I-3413
GB/T-3120
GB/T 14230
H/T-42R1
Electrical equipment
Electromechanical switches for electronic equipment Part 6: Microswitches Part 1: Detailed specification
General specification for thermally-delayed switches
General specification for thermally-delayed switches
I35011 F450/75CV insulated cables with a branch length of less than 100 mm Part 1: General requirements1
GB 15092.2
GB15092.3
GB 15003.4
GB/T953S
CB/T-7209
GB/T -7210
GB/T =5451
GB/T :5152
GB/T-S495
Appliance switches - Part 1: General requirements
Group switches - Part 2: Special requirements for transfer switches and switches
Part 2: Special requirements for transfer selectors and switches Part 3: Special requirements for independently mounted switches Part 1: General specifications for electromechanical switches Part 2: Sectional specifications for rotary switches Part 1: General specifications for electromechanical switches for use with electrical equipment Part 2: Sectional specifications for rotary switches 100、Blank detailed specification
Mechanical switches for equipment Part 3: Component specification for in-line packaged switches Part 7: Component specification for in-line packaged switches Part 4: Component specification for in-line packaged switches Part 5: Component specification for in-line switch GB/T-6311
CH:I-3413
GB/T-3120
GB/T 14230
H/T-42R1
Electrical equipment
Electromechanical switches for electronic equipment Part 6: Microswitches Part 1: Detailed specification
General specification for thermally-delayed switches
General specification for thermally-delayed switches
I35011 F450/75CV insulated cables with a branch length of less than 100 mm Part 1: General requirements1
GB 15092.2
GB15092.3
GB 15003.4
GB/T953S
CB/T-7209
GB/T -7210
GB/T =5451
GB/T :5152bZxz.net
GB/T-S495
Appliance switches - Part 1: General requirements
Group switches - Part 2: Special requirements for transfer switches and switches
Part 2: Special requirements for transfer selectors and switches Part 3: Special requirements for independently mounted switches Part 1: General specifications for electromechanical switches Part 2: Sectional specifications for rotary switches Part 1: General specifications for electromechanical switches for use with electrical equipment Part 2: Sectional specifications for rotary switches 100、Blank detailed specification
Mechanical switches for equipment Part 3: Component specification for in-line packaged switches Part 7: Component specification for in-line packaged switches Part 4: Component specification for in-line packaged switches Part 5: Component specification for in-line switch GB/T-6311
CH:I-3413
GB/T-3120
GB/T 14230
H/T-42R1
Electrical equipment
Electromechanical switches for electronic equipment Part 6: Microswitches Part 1: Detailed specification
General specification for thermally-delayed switches
General specification for thermally-delayed switches
I35011 F450/75CV insulated cables with a branch length of less than 100 mm Part 1: General requirements
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