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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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Signal Lamp CJA16

Signal Lamp CJA16

The Modular Signal Lamp is applicable to circuit with rated voltage 230V~ and frequency 50/60Hz for visual indication and signaling.

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DC Protection Series Circuit Breaker

DC Protection Series Circuit Breaker

The JB is a DC circuit breaker dedicated to multi string photovoltaic installations. This circuit breaker is designed to protect the cables located between each string of photovoltaic modules and the photovoltaic inverter against overloads and short circuits (see application diagram).

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Wifi MCB 6KA 1P 3P Miniature Circuit Breaker

Wifi MCB 6KA 1P 3P Miniature Circuit Breaker

Smart WiFi automatic circuit breaker can be used for short circuit and overvoltage protection, the miniature circuit breaker produced by Sofielec Electrical has passed the required industry standard certification: IEC CB, SEMKO, CE, CCC, SAA, KEMA, TUV, UL. can provide customers with ODM. It is characterized by automatic overload and short circuit protection, with an energy monitor, and is widely used in families, student dormitories, enterprises, municipal engineering, street lights, farms, rental houses, etc.

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NXA Series Air Circuit Breaker

NXA Series Air Circuit Breaker

▪ Frame size (A): 1600, 2000, 3200, 4000
▪ Breaking capacity: N,S,H
▪ Rated operational voltage Ue (VAC): 380/400/415
▪ Number of poles: 3P, 4P
▪ Installation method: draw-out type, fixed type
▪ Wiring type: horizontal rear connection

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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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