... converter ExdIIB, ExdeIIB BQD55-P Series explosion-proof transducer/governed speed/controll frequency Applications1. Hazardous:division 1&2;2. ... plastic, fine outline;2. Built-in FuJI or sehneider s transducer, circuit breakers, signal lamps and so on;3. It can ... also can be used as motor soft start controller, the transducer, transmission are made into sealing timing system, simple digital operation ...