219-3-22171-220

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Circuit breakers are ubiquitous devices in power systems. They work in a wide range of applications, from protecting consumers, industrial installations, and public utilities from power outages to providing emergency shut-offs on combustible and hazardous materials. Furthermore, they serve as essential backups against the loss of electrical power or current, a potentially damaging event.

The 219-3-22171-220 circuit breaker, manufactured by Siemens, is designed to be used in residential and low-voltage commercial applications to protect electrical components against short circuits and overloads. This breaker is UL and CSA approved and complies with all NEC standards, making it an ideal product for applications in the U.S. and Canada.

The working principle of the 219-3-22171-220 is based on the standard thermal magnetic design, whereby two current sensitive devices are used to detect an abnormally high current and trip the breaker. The device uses a thermal device to detect the current within two time-delay and adjustable trips. The current is monitored via a bi-metallic element in the breaker, and when a current of more than the set limit is detected, a bimetallic strip causes the breaker to trip, breaking the circuit and keeping it from overheating or shorting out.

This breaker also comes with a manual reset button, which allows the circuit to be restarted after an interruption by simply pushing the reset button on the breaker, assuming the interrupting event has been cleared. In addition, the breaker is designed with a high interrupting capacity, meaning that it can safely handle higher fault currents without being damaged.

The 219-3-22171-220 circuit breaker is a reliable, safe and cost-effective solution for homes and businesses in need of circuit protection. It combines a simple, adjustable design with an easy-to-use manual reset, is UL listed and CSA approved, and comes with a high interrupting capacity in order to handle higher fault currents. This makes the 219-3-22171-220 an ideal product for applications in residential or low-voltage commercial settings.

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