IUGH66-1-51-5.00-A-01 Circuit Protection

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Circuit Breakers

Circuit breakers are the primary components used to protect a circuit or system from overloads or short circuits. One type of circuit breaker is the IUGH66-1-51-5.00-A-01. This circuit breaker is designed to protect a number of applications, functions, and equipment, operating in a variety of industries.

Application Field

The IUGH66-1-51-5.00-A-01 circuit breaker is designed to protect a number of applications, functions, and equipment, operating in a variety of industries. These include protecting circuits in machines, transformers, generators, motors, refrigeration, and air-conditioning systems, as well as fire systems and street lighting systems. In addition, the circuit breaker is suitable for use in construction sites, schools, hospitals, and public buildings.

Working Principle

The IUGH66-1-51-5.00-A-01 circuit breaker utilizes a thermal-magnetic system that is triggered by an electromagnet. This system works by detecting when the current going through the conductor exceeds the rated current of the circuit. If it does, the electromagnet is activated, triggering a switch that is connected to the thermal element. This switch in turn, activates a portion of the magnetic system, which pulls a spring-loaded contact arm open, creating an open circuit.

When the current decreases below the rated current, the electromagnet is deactivated, releasing the spring-loaded contact arm and allowing it to close, creating a closed circuit. The thermal element is also released at this time, cooling off the circuit breaker and allowing it to reset itself. It is this thermal resetting action, after the current has returned to safe levels, that prevents the circuit breaker from tripping again until the current rises above the rated current again.

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