MT/T 412-1995 Flameproof low voltage terminal blocks for electrical equipment
Basic Information
Standard ID:
MT/T 412-1995
Standard Name: Flameproof low voltage terminal blocks for electrical equipment
Chinese Name:
隔爆型电气设备低压接线端子
Standard category:Coal Industry Standard (MT)
state:in force
Date of Release1995-12-05
Date of Implementation:1996-03-01
standard classification number
Standard Classification Number:>>>>D9 Electrical>>Low Voltage Electrical Appliances>>K35 Explosion-proof Electrical Appliances
associated standards
Publication information
publishing house:China Coal Industry Press
Publication date:1996-03-01
other information
drafter:Yuan Yiping, Wang Wenzhao
Drafting unit:China Coal Research Institute Shanghai Branch
Focal point unit:Electrical Equipment Branch of Coal Mine Special Equipment Standardization Technical Committee of the Ministry of Coal
Proposing unit:Coal Mine Special Equipment Standardization Technical Committee of the Ministry of Coal Industry
Publishing department:Ministry of Coal Industry of the People's Republic of China
Introduction to standards:
This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of low-voltage wiring terminals for flameproof electrical equipment (hereinafter referred to as wiring terminals) made of Class A arc-resistant insulating materials. This standard applies to low-voltage wiring terminals for flameproof electrical equipment of Class dⅠ and dⅡB with rated voltage up to 1140V, rated current up to 630A and frequency up to 50Hz. This standard does not apply to wiring terminals for direct-in flameproof electrical equipment. MT/T 412-1995 Low-voltage wiring terminals for flameproof electrical equipment MT/T412-1995 Standard download decompression password: www.bzxz.net
Some standard content:
Coal Industry Standard of the People's Republic of China
Flameproof low-voltage terminal blocks for electrical equipment
1 Subject content and scope of application
MT/T412-1995
This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of flameproof low-voltage terminal blocks for electrical equipment (hereinafter referred to as terminal blocks) made of Class A arc-resistant insulating materials. This standard applies to dI and diB grade flameproof low-voltage terminal blocks for electrical equipment with rated voltage up to 1140V, rated current up to 630A and frequency up to 50Hz. bzxZ.net
This standard does not apply to terminal blocks for direct-in flameproof electrical equipment. 2 Reference standards
GB1411
GB1497
Basic test methods for low-voltage electrical appliances
High-voltage and low-current intermittent arc resistance test methods for solid electrical insulating materialsBasic standards for low-voltage electrical appliances
GB/T1804
General tolerancesUnmarked tolerances for linear dimensions
GB/T2423.4Basic environmental test procedures for electrical and electronic productsTest Db: Alternating damp heat test methodsGB3836.2
Explosion-proof electrical equipment for explosive atmospheresExplosion-proof electrical equipment "d"Explosion-proof electrical equipment for explosive atmospheresIncreased safety electrical equipment "e"GB4207 Solid insulating materials Determination method of tracking index and proof tracking index of materials under humid conditions JB834 Technical requirements for tropical low-voltage electrical appliances
JB4159
3 Product classification
General technical requirements for tropical electrical products
3.1 Single-core terminal blocks
3.1.1 Cylindrical mounting terminal blocks
3.1.1.1 Varieties and specifications
According to the rated insulation voltage U:, thread specifications of conductive rods and wire entry methods, there are 20 varieties, see Table 1\A" Table 1
Thread specifications of conductive rods
Wire entry methods
U:≤660
660
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