BHZ51 Series Explosion Proof Rotary Switches (IIC, IIB, tD)

Designed for explosive atmospheres Zone 1 and Zone 2;
Designed for combustible dust Zone 21 and Zone 22;
Designed for IIA, IIB and IIC groups explosive atmospheres;
Designed for temperature classifications T1~T6;
Designed for explosive hazardous locations such as oil refinery, storage, chemical, pharmaceuticals, military industries, etc;
Designed for on-off of circuit, shifting power or overload, and can control small volume motor.

Enclosure is die casted of aluminum alloy with high voltage electrostatic powder coated surface after shot blasting;
This series products are of compound structure. Enclosure is flameproof type with increased safety wiring cavity;
Can be used for unfrequented on-off electrical circuit of AC220V or 380V 50Hz;
Designed for on-off of circuit, measuring circuit and shifting power or overload, can controlling small volume motor;
Reversing function can be equipped as per request;
Steel pipe or cable wiring.

Compliance with: GB 3836.1, GB 3836.2, GB 3836.3, IEC60079-0, IEC60079-1, IEC60079-7;
Explosion protection: Ex d e IIB T6 Gb, Ex tD A21 IP66 T80'C
Rated voltage: AC380V;
Rated current: 25A;
Ingress protection: IP66;
Corrosion resistance: WF1;
Cable entries: G3/4"~G1";
Cable outer diameters: Φ9mm~Φ18mm.

Rotary Switch On Off 25A 3 Phase Explosion Proof BHZ51-25/3 HRLM EEW