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Zhejiang Zhe Liang Electric Co., Ltd. is located in Xinguang Industrial Zone, Liushi, Yueqing City, Zhejiang Province. It is a technology-based enterprise specializing in the research and manufacturing of intelligent universal circuit breakers, shell circuit breakers, small circuit breakers, dual power white switching switches, control and protection switchgear, electrical fire monitoring equipment, multifunctional power instruments, microcomputer comprehensive protection devices, high-voltage vacuum circuit breakers, high-voltage load switches, and more.

Molded case circuit breakers are usually smaller in size and suitable for the protection of low voltage circuits, while frame circuit breakers are suitable for higher current applications. The casing of the molded case circuit breaker is made of plastic material and is suitable for home and small commercial use.

Miniature circuit breakers are widely used in residential, commercial and industrial electrical systems, mainly to protect circuits from overload and short circuit and ensure safe electricity use.

The leakage circuit breaker works by monitoring the balance of current. When leakage current is detected (i.e., the inflow and outflow current are unbalanced), it quickly cuts off the circuit to prevent safety hazards such as electric shock and fire.

The dual power supply system can automatically switch to the backup power supply when the main power supply fails, ensuring the continuity and reliability of power supply. It is widely used in important industrial and commercial facilities.