Magnetic release
An electromagnet with plunger ensures instantaneous tripping in case of short circuit. The IEC 60898 distinguishes three different types, following the current for instantaneous release: type B, C, D.
In the family, a single pole (1P) is generally used for branch protection;Use a bipolar (i.e. 2P) circuit breaker as the main power protection.Choose the circuit breaker rated capacity current size in the family is important, because of the circuit breaker rated current is too large, if you choose routes or household electrical short circuit or overload occurs, the breaker cannot be automatically trip, cut off power supply, if you choose to small, the circuit breaker trip frequently, causing unnecessary power outages, affected the normal life, cause unnecessary trouble.
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