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Circuit Breaker

Changjiu Technology is a domestic supplier and manufacturer specializing in R&D and production of Circuit Breakers. Circuit Breaker is an important device for circuit protection. It is widely used in various power equipment and electronic products due to its high sensitivity, small size and convenient operation. 


By sensing abnormal conditions and quickly cutting off circuits, Circuit Breakers protect the safety of circuits and equipment and avoid potential risks. Therefore, Circuit Breakers are of great significance in both the power industry and the electronic field, providing a strong guarantee for circuit protection.


Currently we are dedicated to sales of circuit breakers:Miniature Circuit Breaker,Residual Current Circuit Breaker,Moulded Case Circuit Breaker ,Vacuum Circuit Breakers,Air Circuit Breaker,Of course, we will also work hard to develop and produce other series of circuit breakers according to customer needs in order to strive for maximum cooperation.

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Reclosing Molded Case Circuit Breaker

Reclosing Molded Case Circuit Breaker

CJ technogy series Reclosing Molded Case Circuit Breaker (referred to as leakage circuit breaker) is the latest generation of leakage circuit breaker products developed by our company in recent years with superior performance and complete functions. The product has won several national patents. It is suitable for low-voltage power grids with three-phase four-wire neutral point direct grounding (TT grounding system). It is used to provide indirect contact protection for personal electric shock hazard, and can also protect grounding faults, overcurrents, short circuits, etc. of lines or electricity.

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DZ47LED-63 Lightning Residual Current Circuit Breaker

DZ47LED-63 Lightning Residual Current Circuit Breaker

DZ47LED-63 Lightning Residual Current Circuit Breaker (Lightning Residual Current Circuit Breaker), is miniature leakage circuit breaker with lightning protection device. It is suitable for distribution network with AC 380V and below and frequency of 50Hz.

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DZ47 63N Miniature Circuit Breaker

DZ47 63N Miniature Circuit Breaker

DZ47 63N Miniature Circuit Breakers are available in 4.5KA(DZ47-63n), 6KA(SG65-63), 10KA(SC65-63), type c and type d, customizable AC or DC, suitable for power system with frequency 50 or 60, voltage 400V and below, current 63A and below, support OEM, ODM.

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China Circuit Breaker is one kind of products from CJ factory. As the one of leading manufacturers and suppliers in China, we provide price list if you want. Our factory offers high quality Circuit Breaker. We sincerely look forward to becoming your reliable long-term business partner!
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