229-2-28272-1 Circuit Protection

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Introduction to Circuit Breakers

Circuit breakers are devices used in electrical applications to protect circuits and other equipment from damage due to an overload or short circuit. They allow electrical current to flow until an abnormal condition is reached, and then stop electrical current from flowing and open an insulation gap between the two contacts. This gap prevents current from flowing any further.

229-2-28272-1 Application Field and Working Principle

The 229-2-28272-1 is a single-pole circuit breaker and is typically used to protect low-voltage AC circuits in industrial or commercial applications. The breaker trips when the current exceeds its rating and prevents circuits from overloading or short-circuiting. The 229-2-28272-1 features a thermal-magnetic trip mechanism, which provides a combination of fast response, superior overload and short circuit protection, and is UL 1077 recognized.

The 229-2-28272-1 features a combination of an electro-magnetic and thermal trip system. It uses a permanent magnet to help detect any small changes in current and a bimetallic strip to detect larger changes in current. The magnetic trip system is able to respond quickly to short circuits, while the thermal trip allows for more liberal over loading and a longer response time.

When the 229-2-28272-1 thermal-magnetic trip device is activated, it trips the breaker open and interrupts the current flow. It also typically opens two sets of contacts, including an arc-chute which ensures that any of the arc created during the interruption is isolated and does not re-ignite the flow. The contacts are held open until the current flow is below a certain level and the contacts are reset.

The 229-2-28272-1 is a reliable circuit breaker, providing superior overload and short circuit protection for AC circuits. It is easy to install and is a great choice for applications that require reliable protection against overloading and short-circuiting. The 229-2-28272-1 also offers excellent repeatability and operational life.

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