R21-61-3.00A-B01CV-V

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Circuit Breakers

R21-61-3.00A-B01CV-V is a type of circuit breaker belonging to the R21 family. It is designed for high and medium voltage electrical systems and comes in two varieties, with a safe switching capability of 1500A or 1250A respectively. The breaker is composed of an electromagnetic actuating device, contact system and an arc extinguishing system. It is an important element in protecting power systems from short circuits and overloads.

Application Field

The main application fields of R21-61-3.00A-B01CV-V circuit breaker include residential, commercial and industrial applications, such as in high power industrial automation systems, and also in power system operations. It can be used in systems ranging from 400V to 24kV, making it ideal for a variety of applications.

Working Principle

The working principle of the R21-61-3.00A-B01CV-V circuit breaker is simple. It is composed of two main elements: the contact system and the arcing mechanism. The contact system is composed of two stationary contacts and a movable contact connected to an actuator. When the circuit current reaches its rated value, the actuator will move and open the circuit, thus blocking the current. The arcing mechanism ensures that the contact gap is sufficient for arc extinction, so it does not cause a short circuit or equipment damage. The arcing system is usually composed of a set of metallic or carbon arc chutes and an arc blowout coil.

Conclusion

All circuit breakers are essential elements in protecting power systems from harm. The R21-61-3.00A-B01CV-V circuit breaker is a particularly reliable and sturdy choice, as it is designed for high power applications. It is also adaptable to a variety of system voltages, making it a great choice for many different applications.

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