W57-XB1A4A10-20

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Introduction: Circuit breakers are essential components in electrical circuits. They create an interruption when current flows in a circuit and prevent circuit overloads by disconnecting the circuit when excessive current is detected. A model of circuit breaker, the W57-XB1A4A10-20, is a two-pole molded-case circuit breaker designed for use in industrial and commercial applications. This article will discuss the application field and the working principle of the W57-XB1A4A10-20.

Application Field: The W57-XB1A4A10-20 is suitable for industrial, commercial, institutional and residential applications. It is UL 489 listed and CSA certified and it is built to withstand the toughest environments and stand up to high levels of shock and vibration. This circuit breaker can be used in any type of AC or DC circuit protection in 5 to 127-volt systems. The circuit breaker is available in three different amperage ratings: 20, 30 and 40 amperes, each with its own specific characteristics and ratings. It is designed to operate in temperatures ranging from -4°F to 140°F.

Working Principle: The W57-XB1A4A10-20 has two contact poles that act as the main switch in the circuit protection system. The contacts are made of silver which help to reduce resistance and improve heat dissipation. When a circuit overload is detected, a magnesium oxide based thermal-magnetic trip unit activates and moves a lever to separate the contacts and disconnect the circuit. This eliminates the risk of overheating and potentially catastrophic accidents. Additionally, when a ground fault is detected, the contacts move quickly to separate the circuit and eliminate the ground fault current.

Installation: The W57-XB1A4A10-20 is easy to install and requires little or no maintenance. It is designed to fit most standard 3/4" or 5/8" holes, and it also includes mounting clips to help keep it in place. Additionally, its spring-loaded terminals make connecting wires a simple process. To ensure the proper operation of the circuit breaker, it must be sized according to the load, and the correct amperage rating is important for optimal performance.

Conclusion: The W57-XB1A4A10-20 is a two-pole molded-case circuit breaker designed for industrial and commercial applications. It is UL 489 listed and CSA certified and it can be used in any type of UL/CSA listed AC or DC circuit protection system. The circuit breaker is available in three different amperage ratings, it is easy to install and requires little or no maintenance. It trips when a circuit overload or ground fault is detected and helps to prevent potentially catastrophic accidents. This makes it an ideal circuit protection choice in the toughest environments.

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