In explosive gas atmosphere of II A, II B, II C in petroleum and chemical factories, BLK series explosion-proof motor switches are used for infrequent power conversion and infrequent motor start and stop, with overloading and short circuit protection.
- Can be used in Zone 1 and Zone 2, in Zone 21 and Zone 22
- II B and II C type according to available gas atmosphere
- Enclosure is made of aluminum alloy, casted into form, powder- coated with high voltage static sprayer
- Built-in mini circuit breaker or plastic circuit breaker.
- Possible to add electric leakage protection device.
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