C40A3P

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Circuit breakers are electrical devices designed to protect an electrical system from damage due to overloads and short circuits. They are designed with a set of contacts that remain closed under normal circumstances and will open when an electrical fault occurs. One type of circuit breaker is the C40A3P, which is commonly used in industrial and commercial applications.

The C40A3P is a two-pole breaker and is capable of breaking 30 amperes and reconnecting 10,000 amperes of fault current. It is designed to trip upon the occurrence of an overload, short circuit, or a ground fault. It is also designed to trip in the event of a motor stall or an overload current after a motor startup.

The working principle of the C40A3P is based on an electromagnet that is energized by the current flowing through the circuit. The electromagnet pulls the operating rotor of the breaker which causes the contacts to be released, tripping the breaker and interrupting the current flow. This electromagnet also contains a bimetallic strip, which is designed to become distorted if current flowing through the circuit exceeds the pre-determined threshold. This distortion of the strip causes the breaker to trip if an overload or short circuit occurs.

The C40A3P is designed for use in a wide range of industrial and commercial applications, such as electrical panels, motor starters, and control systems. Its robust construction and the ability to break 10,000 amperes of fault current makes it ideal for industrial and commercial applications where high fault current may be encountered. It is designed to switch off devices such as motors, pumps, heaters, and other equipment that are susceptible to damage due to high current overloads and short circuits.

Due to its combination of reliability, safety, and cost effectiveness, the C40A3P circuit breaker is an ideal choice for a variety of industrial and commercial applications. Its simple design, combined with its ability to trip in response to both overloads and short circuits make it a versatile device that is capable of protecting a wide range of electrical equipment from being damaged due to high current faults.

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