209-1-20721-1

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Circuit Breakers play a very important role in electrical systems. They are designed to protect electrical components from short-circuiting and overcurrents. The 209-1-20721-1 circuit breaker is an example of this type of device and is used in a variety of applications.

The 209-1-20721-1 circuit breaker has a voltage rating of 220V AC and a short-circuit current rating of 4kA. It is designed to be used in applications such as motors, power supplies, computers, and communication systems. It can be used in either indoor or outdoor applications, and has an operating temperature range of -40°C to 55°C.

The 209-1-20721-1 circuit breaker is equipped with an isolator contact, which allows it to be used for isolation purposes. The isolator contact is designed to prevent current from flowing between two circuits when the circuit breaker is in the open position. The isolator contact also allows for safety disconnects in the event of a failure.

The 209-1-20721-1 circuit breaker is designed with a thermal-magnetic trip element. This element works by monitoring the amount of current passing through the circuit breaker, and responding to any changes in current levels that could lead to a dangerous overload situation. When the trip element detects a current surge, it will open the circuit breaker, cutting off the power and preventing further damage.

The 209-1-20721-1 circuit breaker is also equipped with a shunt trip feature. When the shunt trip is activated, it will cause the circuit breaker to close, cutting off the power. This feature is useful in applications where the circuit breaker needs to be reset remotely or in a hard-to-reach area.

The 209-1-20721-1 circuit breaker is designed to protect electrical components from short-circuiting, overcurrents and other dangerous conditions. It is an effective and reliable circuit breaker that can be used in a variety of applications. It is also designed with safety features such as the isolator contact, thermal-magnetic trip element and shunt trip, which helps to ensure that the circuit breaker will operate as intended in any situation.

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