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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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100A 3P MCCB Molded CaseCircuit Breaker

100A 3P MCCB Molded CaseCircuit Breaker

CJ technology is a full range of high performance molded case circuit breaker ( MCCB ) in 2 frame sizesdesigned to meet your needs from thermal-magnetic to advanced MicroLogic trip units.

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3P Series Molded Case Circuit Breakers

3P Series Molded Case Circuit Breakers

Designed to provide branch and feeder circuit protection in industrial control panels, this line of Molded Case Circuit Breakers supplies protection against overload in conductors and short circuit in connected equipment such as motors. They are UL listed for installation in UL 508 control panels. Their small size, in relation to standard circuit breakers or other comparable devices, saves panel space. Four frame sizes and all standard accessories are available.

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JVL7-63 Leakage Circuit Breaker Without Overcurrent Protection

JVL7-63 Leakage Circuit Breaker Without Overcurrent Protection

■Executive standards: IEC61008, GB/T16916.1
■Type: Electromagnetic type
■Residual operating current characteristics: A, AC, S
■Number of poles: 1P+N, 3P+N (N on the left and N on the right)
■Rated current: 25, 32, 40, 63A
■Rated voltage: AC240/415
■Rated frequency: 50/60Hz
■Rated residual operating current (I △ n) A: 0.03, 0.1, 0.3
■Rated residual non operating current: 0.5I △ n~I △ n
■Wiring height: 19mm
■Mechanical and electrical life: 4000 times
■Terminal wiring cross-sectional area: 25mm ² And below wires
■Wiring terminals: screw terminals
■Wiring method: column type wiring method
■Tightening torque: 2N. m
■Rated breaking capacity: 6000A

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DZ30LE-32 RCBO Residual Current Circuit Breaker with Overcurrent Protection

DZ30LE-32 RCBO Residual Current Circuit Breaker with Overcurrent Protection

DZ30-32(phase line+neutral line leakage) series miniature circuit breaker is suitable to the single phase residual circuit of 50/60Hz, rated voltage 230V, as the current leakage protection and protect the civil electrical circuit from over load and short circuit and it has the features of volume small, breaking capacity high. Null/live wire is cut at the same time, and even the wire is reverse connection, it still have current leakage Protection.The product conforms to standards IEC1009.1, GB16917.1etc.

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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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