1140-G151-P7M1-15A

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Circuit breakers are devices that can protect electrical circuits against overloads and short circuits. The 1140-G151-P7M1-15A circuit breaker is a thermal magnetic device designed to protect circuits from both thermal and electrical overloading. It is used in many applications, and its working principle is based on the interaction between magnetic and thermal forces.

The 1140-G151-P7M1-15A circuit breaker consists of an insulated plastic case that houses an electromagnet, a bimetallic strip, a set of contacts, a thermal disk, and a reset button. When the circuit breaker is energized, the electromagnet creates a magnetic field, and the bimetallic strip is attracted to the magnet, bending in the opposite direction. This creates a force that pushes the contacts together and closes the circuit. The thermal disk, meanwhile, is heated by the current through the circuit. If the current is too high, the thermal disk will expand, pushing the contacts and breaking the circuit.

The 1140-G151-P7M1-15A circuit breaker can be used in many application fields, such as residential, industrial, and commercial circuits. In residential applications, it can protect against overloads and short circuits in the wiring, while in industrial and commercial circuits it can protect against heavy-duty equipment and power surges. It can also be used to protect motors, lights, and other electrical devices.

The 1140-G151-P7M1-15A circuit breaker can be a very effective way to protect circuits and prevent electrical damage. When the current through the circuit exceeds the rated value, the bimetallic strip bends against the magnet, pushing the contacts and opening the circuit. Once the current drops back down to a safe level, the reset button can be pressed to close the circuit again. This makes the 1140-G151-P7M1-15A circuit breaker very useful for protecting circuits in many different application fields.

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