209-2-31173-20 Circuit Protection

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Circuit breakers are electrical devices with the purpose of protecting an electrical circuit from current surges and power overloads. The 209-2-31173-20 circuit breaker is a 20 amp double pole breaker with a 10 kA short circuit rating – meaning it can handle 10,000 amp before tripping. This circuit breaker is particularly suited to residential industrial and commercial multi-loaded circuits or applications that require two voltage sources.

The 209-2-31173-20 is made up of a base, a handle, a spring-loaded mechanism, and the trip linkage. The base is the bottom part of the 2-pole breaker, which is fastened to the breaker panel. The handle is used to open and close the breaker and is labelled for each pole. When the handle is reset, a spring-loaded mechanism and a trip linkage will be moved to its open position. When an overcurrent is detected, the trip linkage will react and the spring-loaded mechanism will move the handle to its “off” position where it cannot be reset until the offending circuit is repaired or powered off.

The 209-2-31173-20 circuit breaker is a two-pole breaker which means it can protect two separate 120 V lines from simultaneous short circuit or overload by detecting the current flowing in both lines. This is important in applications where two independent circuits need to be protected, such as when a circuit needs to be protected both before and after a transformer. The 209-2-31173-20 is rated for up to 10,000 amps in maximum fault current, providing an ample level of protection for applications requiring high-load current.

The 209-2-31173-20 is particularly ideal for industrial, commercial, and residential multi-loaded circuits or applications that require two voltage sources. These applications are often in building construction or high wattage power grids, such as warehouses, factories, laboratories, communications centers, airports, and more. In these types of applications, the 209-2-31173-20 circuit breaker provides fast and reliable automated circuit protection, with a high fault current rating to provide maximum safety.

To ensure that the 209-2-31173-20 circuit breaker provides the best-in-class protection possible, it features thermally sensitive materials that respond to increases in temperature within the breaker. This mechanism is constantly monitored and the temperature margin is adjustable to allow for different overload levels. When the temperature reaches the pre-set level, the 209-2-31173-20 circuit breaker will trip, protecting the electrical system from serious damage.

The 209-2-31173-20 circuit breaker is truly a reliable and durable device, able to protect critical applications in demanding industrial and commercial environments. Its wide range of applications, high safety rating, and adjustable temperature margin make it a top choice when it comes to circuit protection and prevention of power overloads.

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