IULN211-1REC4-27900-1 Circuit Protection

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Circuit Breakers

The IULN211-1REC4-27900-1 is a type of circuit breaker, an electricity safety device used to protect an electrical system from excessive current or those resulting from a short circuit. It is used to disconnect the supply of power either manually or automatically, when it senses a fault on the system. This enables the breaker to protect the system from damage due to overheating or electric shock.

Application Field

Circuit breakers are designed for use in residential, commercial and industrial applications to protect against overloads, short circuits, and grounding faults. They are the main components used in electrical distribution systems, from the service entrance, to lighting, and receptacles. Circuit breakers are used to protect motors, lighting, and other appliances. They are also used to protect against overloads and to detect and isolate faults on power grids.

Working Principle

The IULN211-1REC4-27900-1 circuit breaker is equipped with an externally adjustable trip unit that monitors system current, voltage, and frequency. When an overload is detected, an electrically operated switch is opened to disconnect the power supply, thereby protecting the system. The adjustment of the trip unit can be done to accurately detect the right current levels to trip in order to best protect the load and system.

The trip unit also contains a thermal-magnetic trip curve, which is a series of temperature and current ratings at which the breaker trips. The curve is adjustable depending on system needs, allowing the device to be tailored to the specific application. In addition, manual trip and reset buttons are provided to allow the breaker to be opened and closed without power activation, allowing for testing and commissioning of the installation.

Types of Circuit Breakers

Circuit breakers are available in a variety of different types, which differ in their capacity to cutoff current and maximum allowable short-circuit current ratings. In addition, the design of the Circuit Breaker varies based on where it is used. Common types of circuit breakers include thermal-magnetic breakers, molded case breakers, air circuit breakers, oil circuit breakers, and minature circuit breakers.

Conclusion

The IULN211-1REC4-27900-1 circuit breaker is a thermal-magnetic circuit breaker used to protect against overloads, short circuits, and grounding faults. The temperature and current ratings at which the breaker trips are adjustable, and the device comes with manual trip and reset buttons. Circuit breakers are available in a variety of different types and designs to meet the needs of different applications.

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