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Teaton Electric Co., Ltd.

Mobile: 008618355368712

Whats App: 0086 183 553 68712

Add: B Block, New Metropolis, Jinghu Century Town, Jinghu District, Wuhu City, Anhui Province, China

Zip Code: 241000

Knowledge

MCB Definition

MCB is a device designed to isolate a circuit during an over-current event without the use of a fusible element,and a resettable protective device that protects against two types of over-current situations.

●Overload: a slow and small over-current situation that causes the ampacity and temperature of the circuit to gradually increase over time, this type of event it characterized by a slight increase in the load on the circuit and is iterrupted by the thermal trip unit of MCB;

●A rapid and intensive over-current situation that causes the ampacity of the circuit to increase, this type of event is characterized by a drmatically increase in the load on the circuit and is interrupted by the magnatic trip unit of MCB;