W67-X2T12-40

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Circuit Breakers

Circuit breakers allow electrical systems to be safely reactivated and reset. They are devices designed to protect electrical circuits from damage due to overloading or short-circuiting. Circuit breakers can be used in a variety of applications and in different types of electrical systems. This article will examine the application field and working principle of a particular circuit breaker, the W67-X2T12-40.

Application Field

The W67-X2T12-40 circuit breaker is a multi-pole device designed for use in three-phase electrical systems. It is commonly used to regulate high-voltage circuits, such as those handling electric motors and other large loads. This type of circuit breaker is especially useful in areas where safety and dependability are of paramount importance.

The W67-X2T12-40 is equipped with automatic thermal resetting, providing continuous protection against overloads and short circuits. It is approved by Underwriters Laboratories (UL) and certified for use in the United States and Canada. This circuit breaker is designed to meet the specifications of various devices, including air conditioners, electric pumps, freight elevators, conveyor systems and many more. It is also suitable for applications with no outside power supply and for systems where a fixed number of poles is required.

Working Principle

The W67-X2T12-40 circuit breaker is a design that utilizes thermal-magnetic reset protection. This type of reset mechanism contains a thermal element that automatically shuts off the circuit breaker when the current passing through it exceeds the recommended limit. The thermal element is heated by the passing current and once it reaches a certain temperature, it causes the circuit breaker to trip.

In addition, the W67-X2T12-40 is designed with a magnetic element that is activated once the breaker trips. This magnetic element creates a small magnetic field that attracts a metal disc onto the body of the breaker, thereby permanently locking it in the open position. This allows for the breaker to be reset safely without fear of the current passing through the breaker exceeding its rating.

In summary, the W67-X2T12-40 is a circuit breaker that is designed for use in three-phase systems for applications where safety and dependability are of utmost importance. It utilizes a thermal-magnetic reset protection which provides continuous protection from overloads and short circuits. This circuit breaker is UL certified and approved for use in the United States and Canada.

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