Mr Action

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So far Mr Action has created 23 blog entries.

what is automatic reclosing switch

By | 2018-12-08T07:07:22+00:00 October 29th, 2018|circuit breaker|

what is automatic reclosing switch? Introductoin of automatic recloser The automatic reclosing switch circuit breaker is automatically reclosed by mechanical means or relay automatic device after it has been tripped for some kind of fault. If the fault occurred in the power system is temporary, after the circuit breaker trips

Classification of circuit breaker

By | 2018-12-03T16:19:45+00:00 June 1st, 2018|circuit breaker|

Classification of circuit breaker Classification of power breaker according to poles: According to poles, circuit breaker can be classified as 2 pole circuit breaker, 3 pole circuit breaker and 4 pole circuit breaker. And there are following four types for neutral N pole in 4 pole circuit breaker. A type :

Contactor types, structure and working principle

By | 2018-12-17T16:00:37+00:00 May 6th, 2018|Contactor|

Contactor types, structure and working principle The contactor is a voltage-controlled switching device suitable for systems that frequently turn on and off the AC-DC circuit. It belongs to a kind of control device, and it is one of the most widely used low-voltage electrical appliances in electric drive system, machine tool

Circuit breaker structure and working principle

By | 2018-11-14T12:38:32+00:00 April 30th, 2018|circuit breaker|

Circuit breaker Structure and working principle The working principle of the circuit breaker is that when a short circuit occurs, a magnetic field will be generated by a large current to overcome the reaction force spring, and the trip unit pulls the operation mechanism to operate, and the switch instantaneously trips. When overloaded, the

Ac Contactor working principle and structure

By | 2018-11-14T12:41:53+00:00 August 30th, 2017|Contactor|

Ac Contactor working principle and structure General idea about Ac Contactor AC contactor is a kind of electromagnetic type contactor with main contact normally open, three phase, using air as arcing mechanism electromagnetic type contactor. Its components include: coil, short circuit ring, static core, moving contact, static contact, auxiliary normally open