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Product overview of mccb!!!

Click:1312 Source::YADE ELE time: 2015-11-14
Molded case circuit breaker is also known as the device type circuit breaker, all the parts are sealed in a plastic shell, auxiliary contacts, under voltage release and shunt tripping device etc. more modular. Because the structure is very compact, no maintenance of circuit breaker. The use of manual operation, large capacity can choose electric split. Due to the electronic over current tripping device application, molded case circuit breaker can also be divided into two kinds of class A and class B, class B has a good three section protection characteristics, but because of price factors by thermal magnetic trip device of A-type product market share higher. Molded case circuit breaker is to contact and arc quenching chamber, tripping device and its operation mechanism are arranged in a plastic shell, are generally not considered maintenance, suitable for protecting switch for branch, over-current trip device with thermal magnetic type and the electronic type two, the general thermal magnetic type molded case circuit breaker is a non selective circuit breaker, only long-time delay overload and short circuit instantaneous two protection, electronic type molded case circuit breaker with long-time delay overload, short circuit short-time delay, instantaneous short circuit and ground fault protection function. The electronic part of MCCB is a new product with zone selective interlock function. Most of MCCB for manual operation, there are some with motor operating mechanism.
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