PLC series mine explosion-proof control cabinet
PLC explosion-proof frequency conversion control cabinet), suitable for Class II class B or C, T1-T4 group below the level, groups containing explosive gas environment dangerous places in zone 1, zone 2, for AC 50Hz, rated voltage 220 or 380V line, used to control the motor start, stop, can also be used for remote control of the motor, With overload, short circuit protection function.
This explosion-proof box is in accordance with GB3836.1-2000 "Electrical Equipment for Explosive gas environment Part I: General requirements", GB3836.2-2000 "Electrical equipment for Explosive gas environment Part II: Flameproof type" d ", GB3836.3-2000 "Electrical equipment for Explosive gas environment Part III: Increased safety type "e" standard design and manufacture, passed the inspection by the national inspection authority, and issued explosion-proof certificate.
The shell is made of cast aluminum alloy and the surface is sprayed with plastic. The main cavity adopts flameproof structure, and the connecting cavity has increased safety structure. Optional circuit breaker, AC contactor, thermal relay, transformer, fuse, Ex explosion-proof control button, signal lamp, transfer switch, etc. Distribution box adopts modular design, various circuits can be freely combined, electrical components selection can be determined by the user, its compact structure, beautiful appearance. The inlet and outlet lines can be wired with steel pipes or cables, and the direction of the inlet and outlet lines can be determined by the user's requirements.
