219-3-20800-845

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Circuit breakers play an important role in the operation of any electrical system, providing the means to both protect the system and electively interrupt current flow. The 219-3-20800-845 is a type of circuit breaker with a specific application field and working principle.

This circuit breaker is a thermal-magnetic device with adjustable time delay. It is rated for both residential and industrial applications and is suitable for both normal and emergency circuit protection. The device is specifically designed for use in 120 and 240 volt single phase circuits, as well as 277/480 volt three phase circuits, with amperage ratings up to and including 100 amps.

In terms of protection, the device provides several features. It is designed to monitor overloads, short circuits, and ground fault protections. It is also designed to act as a current differential and transformer differential protection system, providing vital backup when necessary. The device is further designed with a thermal trip element that helps reduce the risk of fire and the resultant damage.

When it comes to the working principle of this circuit breaker, it is designed to detect a fault condition and then immediately trip the electrical circuit. When a fault is detected, the device will close its contactor, interrupting the power supply and preventing further damage to the circuit. The device also features a manual override button, allowing for manual resetting after the fault has been isolated. Additionally, the time delay of the breaker can be easily adjusted using a knob on the device’s enclosure.

In summary, the 219-3-20800-845 is a thermal-magnetic circuit breaker specifically designed for residential and industrial applications. It is rated for 120, 240, and 277/480 volt single and three phase circuits and can handle amperage ratings up to and including 100 amps. The device provides several features for protection, including overload, short circuit, and ground fault detection, as well as current and transformer differential protection. Finally, the device can be manually reset after a fault is identified, making it a useful and necessary safety feature in any electrical system.

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