Hot Sale for Solar PV DC Circuit Breaker 1000V 1p/2p/3p/4p MCB Miniature Circuit Breaker

Short Description:

CJM2-125 miniature circuit breaker（MCB） is mainly used for protection against overload and the short circuit under the AC 50Hz/60Hz, rated voltage 230V/400V and rated current from 20A to 125A. It also can be used for non-frequent on-and-off switch operation under normal circumstances. Circuit breakers are mainly used in industrial, commercial, high-rise buildings, household and other places.

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Product Detail

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Which has a positive and progressive attitude to customer’s desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of Hot Sale for Solar PV DC Circuit Breaker 1000V 1p/2p/3p/4p MCB Miniature Circuit Breaker, We welcome an prospect to do small business along with you and hope to have pleasure in attaching further particulars of our merchandise.
Which has a positive and progressive attitude to customer’s desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of China MCB and MCCB, We welcome you to visit our company, factory and our showroom displayed various solutions that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to supply you the best service. If you will need more information, remember to do not hesitate to contact us by E-mail or telephone.

Construction and Feature

High short-short capacity 10KA
Designed to protect circuit carrying big current up to 125A
Contact position indication
Used as main switch in household and similar installation
The price-quality ratio is very high

Specification

Standard			IEC/EN 60898-1
Pole No			1P,1P+N, 2P, 3P,3P+N,4P
Rated voltage			AC 230V/400V
Rated Current(A)			20A,25A,32A,40A,50A,63A,80A,100A,125A
Tripping curve			C, D
Rated short-circuit capacity(lcn)			10000A
Rated service short-circuit capacity(Ics)			7500A
Rated frequency			50/60Hz
Rated impulse withstand voltage Uimp			6kV
Connection terminal			Pillar terminal with clamp
Electro-mechanical endurance			Ins100=10000:n125=8000
Terminali Connection Height			20mm
Connection capacity			Flexible conductor 35mm²
			Rigid conductor 50mm²
Installation			On symmetrical DIN rail 35mm
			Panel mounting

Overload Current Protection Characteristics

Test	Tripping Type	Test Current	Initial State	Tripping timeor Non-tripping Time Provisior
a	Time-delay	1.05In	Cold	t≤1h(In≤63A) t≤2h(ln>63A)	No Tripping
b	Time-delay	1.30In	After test a	t<1h(In≤63A) t<2h(In>63A)	Tripping
c	Time-delay	2In	Cold	10s<t<60s(In≤63A) 20s<t<120s(In>63A)	Tripping
d	Instantaneous	8ln	Cold	t≤0.2s	No Tripping
e	lnstantaneous	12In	Cold	t<0.2s	Tripping

Working Principle of MCB

When an MCB is subject to continuous over-current, the bimetallic strip heats up and bends. An electromechanical latch is released when the MCB deflects the bi-metallic strip. When the user connects this electromechanical clasp to the working mechanism, it opens the microcircuit breaker contacts. Consequently, it causes the MCB to switch off and terminate the current flowing. The user should individually switch on the MCB to restore the current flow. This device guard against defects caused by excessive current, overload, and short circuits.Which has a positive and progressive attitude to customer’s desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of Hot Sale for Solar PV DC Circuit Breaker 1000V 1p/2p/3p/4p MCB Miniature Circuit Breaker, We welcome an prospect to do small business along with you and hope to have pleasure in attaching further particulars of our merchandise.
Hot Sale for China MCB and MCCB, We welcome you to visit our company, factory and our showroom displayed various solutions that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to supply you the best service. If you will need more information, remember to do not hesitate to contact us by E-mail or telephone.

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