B21-51-10.0A-02-00

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The B21-51-10.0A-02-00, known as a circuit breaker, is an essential device for many industries and homes. The application fields of the circuit breaker include electrical and lighting panels, subpanels, and appliances. The breaker also serves as a protection device for conductors, control circuits, and other circuit components, preventing them from damage due to overcurrent.

The B21-51-10.0A-02-00 circuit breaker consists of two main components: the breaker switch and the trip unit. The breaker switch, which is the most visible part of the breaker, is responsible for opening and closing the breaker. It is designed to switch the circuit on and off in the event of an emergency. The trip unit, meanwhile, is responsible for monitoring the current in the circuit. If the current exceeds the pre-determined limit, the trip unit will trigger the breaker switch to disconnect the circuit.

The working principle of the B21-51-10.0A-02-00 circuit breaker is relatively simple. When current enters the circuit, it passes through a current sensor. If the current exceeds the pre-determined limit, the trip unit will receive the current information and actuate the breaker switch, which will disconnect the circuit. Since the breaker switch is located at the load side of the circuit, the current does not reach the load, thus preventing damage due to overcurrent.

Besides being a protection device for the circuit and components, the B21-51-10.0A-02-00 circuit breaker also provides additional safety by alerting the user to an over-current scenario. When the current exceeds the pre-set limit, the breaker switch will emit an audible warning. This warning allows the user to take corrective action.

The B21-51-10.0A-02-00 circuit breaker is easy to install and maintain. The device is designed to be compact and lightweight, which makes it easy to fit in any type of electrical system. Additionally, the breaker contains a test feature, which allows the user to check if the breaker is working properly. This feature is essential for preventive maintenance and maximum safety.

The B21-51-10.0A-02-00 circuit breaker provides protection for a variety of electrical systems, from simple household circuits to large industrial control panels. The breaker is designed to protect against over-currents due to power surges or electrical faults, as well as providing an audible warning for an over-current situation. By using the test feature, the user can ensure that the breaker is functioning properly and that their system is secure.

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