DZ519
breaker(GV3Motorcircuitbreaker)is applied to
comtrol theoverload, phade-broken,short-circuir
protection and non-frequent start of three-pha
squirrel-cage asynchronous electromotor in the
circui withmax AV 690 and 1A- 80Acurrent,and is
used as distribrtion line protrction and nonfre
quent overload conversion, and is also usedas
the isolator.
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