W69-X2Q12-30V Circuit Protection

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Circuit breakers are an important part of electrical systems and are used to prevent damage to the system in the event of a power surge. The W69-X2Q12-30V is a type of circuit breaker that is commonly used in commercial and industrial applications. This article will discuss the application field and working principle of the W69-X2Q12-30V circuit breaker.

Application Field

The W69-X2Q12-30V circuit breaker is designed for commercial and industrial applications where high power levels are present. It is suitable for use in AC and DC environments, as well as in single-phase and three-phase applications. The breaker can be used in a variety of applications, including equipment protection, electrical distribution systems, industrial control, and machine tools. It can also be used in hazardous environments, such as petrochemical and nuclear plants. The circuit breaker is UL listed and CSA approved.

Working Principle

The W69-X2Q12-30V circuit breaker works by sensing electrical current and automatically disconnecting the circuit when the current exceeds a certain level. This is done through the use of a bimetallic strip, which is heated by the electrical current and bends when it exceeds the predetermined level. This bending action causes the contacts in the breaker to open and break the circuit, thus protecting the system from damage due to the power surge.

In addition to the bimetallic strip, the W69-X2Q12-30V circuit breaker also contains a thermal mechanism. This thermal mechanism reheats the bimetallic strip and lets the contacts close again when the current drops to the safe level. This allows the circuit breaker to reset itself and be ready for use again.

The W69-X2Q12-30V circuit breaker can also be set to operate at a manual mode. This means that it can be manually triggered to open the circuit when the current exceeds the predetermined level. This is useful in situations where the breaker must be manually set and reset, such as in industrial machinery.

Conclusion

The W69-X2Q12-30V circuit breaker is a versatile and reliable device that is suitable for use in commercial and industrial applications. It works by sensing excessive currents and automatically opening the circuit to protect equipment from damage. The breaker also has a manual mode, which allows it to be manually triggered to open the circuit when the current exceeds the predetermined level. This makes the breaker an ideal choice for use in hazardous environments where manual reset is required.

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