英文介绍1. applicable to explosive gas environment 1 zone and 2 zone dangerous place; 2. suitable for IIA, IIB, IIC explosive gas environment; 3. for combustible dust environment 20 area, 21 zone, 22 area; 4. suitable for temperature group T1 T6 environment; 5. suitable for petroleum, petrochemical, chemical, petrochemical, 5. The explosive dangerous environment of industry, wine making, medicine, paint, textile, printing and dyeing, military facilities and so on; the features of 1. products of this product are made of aluminum alloy die casting, and the surface is sprayed by electrostatic spray after high speed shot blasting, and the appearance is beautiful; the 2. product is compound explosion-proof structure, switch case mining With the flameproof structure, the busbar box and the junction box are added safety structure; 3. with modular design, all kinds of circuits can be combined freely; 4. with high split small leakage circuit breakers or plastic shell type leakage circuit breakers can be realized by operating the handle of explosion-proof passenger in vitro, and 5. products are fully introduced in the new optimization. The design scheme and operating mechanism are compact, reasonable, versatile, flexible and convenient to operate; 6. have the function of overload, short circuit, lack of phase and leakage protection; 7. all fasteners are made of 304 stainless steel with strong corrosion resistance; 8. wiring mode, steel pipe or cable and anti explosion hose can be used; 9. can be root ExdeIIBT4/T5/T6, ExdeIICT4/T5/T6, DIP A20 TA, T4/T5/T6; rated voltage: AC220/380V, non standard voltage: 12V/24V/36V/127V/660V; total switching current: 10A - 800A; switching current: 1A - 630A; protection grade: Protection 54/IP55/IP65; thread specification: DN15-DN100/G1/2-G4 inch introduction line specification: diameter 6mm-80mm; draw out line specification: diameter 6mm-80mm; introduce lead direction: upward upward, down and down (can be unrestricted according to customer requirements)