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SONTUOEC is a professional manufacturer and supplier in China. Our factory provides Magnetic Starter, Electronic Switch, Voltage Regulator Stabilizer, etc. If you are interested in our products, you can inquire now, and we will get back to you promptly.

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DC MCB Miniature Circuit Breaker

The DC MCB Miniature Circuit Breaker is an electrical switch specially designed for automatic operation in DC circuits. Its main function is to protect automatic devices from overloads, short circuits, and other fault hazards, and to ensure the safety of the entire power system. When the current flowing through the circuit exceeds the rating of the DC MCB, or when leakage current is detected in the circuit, the DC MCB will automatically disconnect the circuit, thus preventing the circuit from being damaged due to overload, short circuit, or leakage.

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AC/DC Moulded Case Circuit Breaker

The AC/DC Moulded Case Circuit Breaker is an electrical switch with integrated overload protection, short-circuit protection and (in some models) earth leakage protection. It is designed with a molded case, featuring a compact structure, high protection level and long service life. When the current in the circuit exceeds the rated current of the circuit breaker or when a short circuit occurs, the circuit breaker will automatically trip and cut off the circuit, thus preventing the circuit and equipment from being damaged due to overload or short circuit.

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Magnetic Contactor

Magnetic Contactor utilizes the magnetic field generated by the current flowing through the coil to close or disconnect the contacts, thus achieving the purpose of controlling the load circuit on and off. It is mainly used for connecting and disconnecting AC and DC circuits frequently over long distances and for controlling large-capacity motors. The contactor has the function of low voltage release protection, which can automatically cut off the circuit to protect the equipment and personal safety when the circuit is faulty or abnormal.

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STH-N Model Thermal Relay

STH-N Model Thermal Relay is especially designed for the overload protection of AC motor, when the motor running current exceeds the rated current, the thermal relay can automatically cut off the circuit to prevent the motor from being damaged due to overloading.

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3 Phase Motor Starter

The 3 Phase Motor Starter opens and closes the power contacts connected in parallel with the motor through a magnetic contactor to realize motor start and stop control. At the same time, it also has an overload protection function, which can automatically cut off the circuit when the motor is overloaded to protect the motor from damage.

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Overvoltage and Undervoltage Protectors

Overvoltage and Undervoltage Protectors are a protective device used to prevent the voltage in a circuit from exceeding a set value and damaging equipment. An undervoltage protector is a protective device used to prevent the voltage in a circuit from being too low and damaging the equipment or causing it to fail to function properly.

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