3P Miniature Circuit Breakers

3P Miniature Circuit Breakers

The 3P miniature circuit breakers (hereinafter referred to as circuit breakers) produced by SDKC are mainly used for AC 50/60Hz, rated voltage up to 600V, current up to 63A, with short circuit protection, overload protection, control, isolation and other functions, suitable for low-voltage terminal distribution of industrial and commercial lighting lines, protection of AC and DC systems in industries, civil buildings, energy, communications, infrastructure and other fields.

Product advantages: The 3P miniature circuit breakers produced by SDKC are small and convenient, safe and reliable, energy-saving and environmentally friendly, durable, and high-quality circuit breakers ensure your electricity safety.

1. Design features: full current specifications, high breaking capacity, suitable for high and low temperature environments, safer flame-retardant materials, precise protection characteristics, small size and fast closing speed, and long mechanical and electrical life.

2. Installation category: This circuit breaker is embedded, with a clamping rail on the back, convenient and reliable wiring, and can be equipped with a variety of accessories. The function expansion is simple, modular, and can be combined arbitrarily.

3. Main structure and working principle: The circuit breaker is mainly composed of a shell, an operating mechanism, an instantaneous release, an arc extinguishing device, etc. The moving contact of the circuit breaker can only stay in the closed or disconnected position; the moving contact of the multi-pole circuit breaker should adopt mechanical linkage, and each pole can be closed or disconnected at the same time; when installed vertically, when the handle moves upward, the contact moves in the closing direction.

4. Main structure and working principle: The circuit breaker is mainly composed of a shell, an operating mechanism, an instantaneous release, an arc extinguishing device, etc. The moving contacts of the circuit breaker can only stay in the closed or open position; the moving contacts of the multi-pole circuit breaker should adopt mechanical linkage, and each pole can be closed or opened at the same time; when installed vertically, when the handle moves upward, the contact moves in the closing direction.

                                                          Attached is the product structure and appearance diagram

                                                                               Appearance and installation dimensions

Installation method

It is installed using TH35-7.5 steel mounting rails.

It has an isolation function and can be used as an isolation switch to disconnect the line, facilitating line and equipment maintenance.

1,Short circuit protection: When a short circuit occurs, the miniature circuit breaker can quickly cut off the circuit to avoid dangers such as fire.

2,High safety: The miniature circuit breaker has good insulation performance, can effectively prevent electric shock and arc, and improve the safety of use.

3,Economical and practical: Our miniature circuit breakers are reasonably priced, have a long service life, low maintenance costs, and high cost performance.

4,Environmental protection and energy saving: The miniature circuit breaker uses environmentally friendly materials and meets modern energy-saving and environmental protection requirements.

5,Multiple specifications: The miniature circuit breaker provides a variety of current and breaking capacity specifications to meet the requirements of different electrical systems.

6,Small and convenient: The miniature circuit breaker has a compact structure and occupies a small space, which is easy to install in places with limited space such as distribution boxes, and is suitable for various complex wiring environments.

Q: Why choose us?

A: We use high-quality raw materials and professional processing technology, and have professional quality inspectors. You can also ask a third party to inspect the goods before delivery.

Q: What routine inspection tests do you do before shipping your circuit breakers?

A: Mechanical performance test, electrical performance test, appearance inspection, environmental adaptability test, etc.

Q: How to choose the appropriate rated current?

A: According to the load current selection, usually slightly higher than the load current, common specifications are 16A, 20A, 25A, 32A, 40A, 63A, etc.

Q: How does the 3P miniature circuit breaker provide short-circuit protection?

A: When a short circuit occurs in the circuit, the circuit breaker will trip quickly, cut off the power supply, and prevent equipment damage and fire.

Q: How does the 3P miniature circuit breaker provide overload protection?

A: When the current exceeds the rated value and lasts for a period of time, the circuit breaker will trip to prevent the line from overheating.

Q: Are you a manufacturer?

A: Yes.

Q: Can we visit your factory?

A: Of course, you are welcome to visit our factory at any time.

Q: How about technical support?

A: We will provide you with product manuals or video guidance, and we have professional technical engineers who can communicate with you at any time.

Q: Can we get samples?

A: Of course. We can provide free samples.

Q: What does breaking capacity mean?

A: Breaking capacity refers to the maximum current that the circuit breaker can safely cut off in the event of a short circuit. Common ones are 6kA, 10kA, 15kA, etc.

With cutting-edge circuit breaker automated production lines and sophisticated manufacturing technology, we have perfectly combined precision and efficiency. With deep industry expertise and rich experience, we have the confidence to tailor the most suitable high-quality products for you to meet your needs in all aspects. Choose us and enjoy a worry-free experience and gain full satisfaction.

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