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China Miniature Circuit Breaker Manufacturer, Supplier, Factory

Miniature Circuit Breakers (MCBs) manufactured by SONTUOEC Factory are capable of protecting circuits from damage caused by excessive current. Miniature circuit breakers are essential components of modern electrical systems and are widely used in residential, commercial and industrial applications.

What are the main features of MCBs?

1. Overload protection

2. Short circuit protection

3. Manual operation

4. Resettable

5. Rated current

6. Circuit breaker capacity

New Products

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STB1-63 Miniature Circuit Breaker

MCB, the full name is Miniature Circuit Breaker. STB1-63 Miniature Circuit Breaker is an electrical safety device used to protect circuits and equipment, capable of quickly cutting off circuits in the event of an abnormal current (e.g., overloads, short circuits, etc.), thereby preventing electrical fires and equipment damage.

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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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Sontuoec Stm6-63 6ka Miniature Circuit Breaker 230V MCB

SONTUOEC is one of the Chinese suppliers/manufacturers specializing in the production of various small electrical appliances STM6-63 series high breaking capacity mini circuit breaker is used in AC 50/60Hz, rated voltage of 230V 3, 4 poles 400V, rated current to 63A for overload and short-circuit protection as well as for unfrequented switching under normal case.It is used extensively for industry, commercial and household.This product conform to IEC60898 standard.

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Sontuoec Factory Direct Sale MCB Stm10-63 Series 6ka Miniature Circuit Breaker

SONTUOEC is one of the Chinese suppliers/manufacturers specializing in the production of various small electrical appliances STM10-63 Series high breaking miniature circuit breaker has the features of structure advanced, performance reliable, breaking capacity high, appearance elegant and its shell and parts are made of material with impact resistance, strong flame-retardant feature. It is suitable to power system of 50 or 60 frequency, Ue 400V and below, Ui 63A and below. It is mainly applied at office building, residence, for lighting, power distribution and overload and short circuit protection of equipment. Normally, it also can be used as the not frequent transfer of power system. It conforms to the standards IEC60898.1 and GB10963.1

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Factory Direct Sale MCB Stm10-63 Series 6ka Miniature Circuit Breaker

SONTUOEC is one of the Chinese suppliers/manufacturers specializing in the production of various small electrical appliances STM10-63 Series high breaking miniature circuit breaker has the features of structure advanced, performance reliable, breaking capacity high, appearance elegant and its shell and parts are made of material with impact resistance, strong flame-retardant feature. It is suitable to power system of 50 or 60 frequency, Ue 400V and below, Ui 63A and below.It conforms to the standards IEC60898.1 and GB10963.1

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Hot Sale Bh Safety Mini Circuit Breaker MCB Price 100A

SONTUOEC is one of the Chinese suppliers/manufacturers specializing in the production of Hot Sale Bh Safety Mini Circuit Breaker MCB Price 100A and is for overload & short circuit protection which used in residential and industrial distribution system. Max rated current up to 63A

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As a Miniature Circuit Breaker manufacturer and supplier in China, we have our own factory. If you are interested in purchasing product, get in touch!