ATR20-A-63S-WB2-B-5.0A-2 Circuit Protection

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At the forefront of technologies in circuit breaking, the ATR20-A-63S-WB2-B-5.0A-2 is a powerful device that offers an array of benefits and features. It is a smart choice for various residential and commercial applications and has been designed to efficiently manage the constant expected fluctuations present in the circuit. In this article, the application field and working principle of the device will be discussed in detail.

Application Field

The ATR20-A-63S-WB2-B-5.0A-2 is a low voltage device that is designed for the most common voltage levels, such as 120/240 volts, and can be used in a variety of applications. It has a high interrupting rating and is suitable for residential and commercial applications. The device features advanced electronic control for overload and short circuit protection, and can be used in distributed residential, commercial lighting, HVAC, fire alarm, security systems, and many other applications.

Working Principle

The circuit breaker is an electronically operated device that operates on the principle of thermal-magnetic. It consists of two main components, namely, the thermal element and the magnetic element. The thermal element is responsible for sensing the temperature of the circuit, while the magnetic element senses the current in the circuit. When the current exceeds the preset limit, the thermal element acts to open the circuit, and the magnetic element is responsible for maintaining the circuit by keeping the contact points from opening.

As soon as the current in the circuit reaches its preset limit, the thermal element acts to open the circuit breaker. The thermal element is composed of a bimetallic strip that is heated due to the current and bends at a predetermined temperature. This bending of the bimetallic strip causes the contacts to separate, thus opening the circuit. When the current in the circuit is reduced, the bimetallic strip cools down and returns to its original state, thus allowing the contacts to close again, resetting the circuit.

The magnetic element of the circuit breaker is also responsible for providing an additional level of protection for the circuits it is connected to. It comprises of a solenoid coil that senses the amount of current passing through the circuit. When the current exceeds the set limit, the coil energizes a gravity-type plunger which acts to open the circuit breaker, thus protecting the current-carrying circuit from further damage.

The ATR20-A-63S-WB2-B-5.0A-2 is an effective and reliable circuit breaker which is designed to provide superior performance. It offers flexible operation and superior load handling, and is ideal for a variety of residential and commercial applications. The device also features advanced electronic control for overload and short circuit protection, making it the perfect choice for distributed residential and commercial lighting, HVAC, fire alarm, security systems, and many other applications.

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