4400.0102 Circuit Protection

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Circuit breakers are designed to protect electrical circuits from damage caused by excess current from an overload or short circuit. They have long been used in both residential and commercial wiring applications. In recent years, the use of circuit breakers in automotive and aerospace applications has become increasingly common.

The 4400.0102 from Fuji Electric is a two-pole thermal magnetic circuit breaker that can be used in a wide variety of applications. Its primary function is to disconnect power whenever it detects an abnormally high current. This helps protect the circuit from potentially damaging surges or overloads.

The 4400.0102 has a current rating of 20 amps and a voltage rating of 600 VAC. It is UL 489 listed, meaning that it meetsUnderwriters Laboratories’ strict standards for quality and performance. It is rated for use in residential, commercial, and industrial applications.

The 4400.0102 can also act as a circuit protector in certain applications. In some scenarios, the circuit breaker can be used to provide a “fail-safe” circuit protection. If the current in the circuit exceeds a preset level, the breaker will trip and disconnect the circuit, protecting it from any potential damage.

The 4400.0102 circuit breaker works by using a combination of thermal and magnetic elements to detect an excessive current. When there is a sudden increase in current, the thermal element will interact with the circuit breaker’s heat-sensitive bi-metal strip. This strip will expand when heated, and this will cause the magnetic element to trip the circuit breaker and disconnect the circuit.

The 4400.0102 is designed for easy installation. It requires no additional wiring or mounting hardware, and it can be mounted in virtually any panel. The circuit breaker also includes a ground fault indicator, which allows for easy troubleshooting. Additionally, the 4400.0102 is equipped with a test button that allows for easy testing of the circuit breaker.

The 4400.0102 is a versatile circuit breaker that is suitable for a wide range of applications. It is an excellent choice for residential, commercial, and industrial applications. It is designed to protect circuits from damage caused by excessive currents and is UL 489-listed, meaning it meets high standards for quality and performance.

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