The main circuit breaker is composed of the operating mechanism, the contact, the protection device (various release units), the arc-extinguishing system, etc. The main contact is operated by manual operation or electric closing. The main contact in the closing position on the over-current trip coil and thermal release of the thermal components and the main circuit in series, under-voltage release of the coil and power in parallel when the circuit short-circuit or serious overload , The overcurrent releases the armature of the tripping device so that the free tripping mechanism moves and the main contact opens the main circuit.When the circuit is overloaded, the thermal element of the thermal release heats the bimetal to bend, When the circuit is under voltage, the armature release of the undervoltage release also activates the free trip mechanism.
For the line protection, motor protection, combined with the starter, non-automatic circuit breakers, three-phase power distribution system into the line and outlet circuit breakers; motors, generators, transformers and capacitors switching, protection; Of the main switch; emergency stop switch with a trip with a voltage trip in conjunction with the circuit breaker
Micro Circuit Breaker (MCB) is the most widely used terminal protection device in the electrical terminal distribution equipment of building.It is used for the protection of single-phase and three-phase short circuit, overload, , Including unipolar 1P, 2P 2P, 3P 3P, 4P 4P four.

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Liu Shuqing

Contact: Miss Liu Shuqing (Liu Shuqing

Tel: 13957799862
Fax: 86
Address: China 's Wenzhou City in Zhejiang Lucheng District Huanglong
Zip code: 325000
Company's main page:
Https://shop1417884001432.1688.com

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