R21-4-15.0A-R02IV-T

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Circuit breakers are designed to protect electrical systems and devices from dangerous power surges and overloads. They are essential components in a power system and can ensure the overall safety and operation of the components.

R21-4-15.0A-R02IV-T is a type of circuit breaker that is commonly used in residential, commercial and industrial applications. This type of circuit breaker has an instantaneous trip current rating of 15.0A and is used for overload and short circuit protection of a circuit. It has a breaking capacity of 8kA at 600VAC and a thermal magnetic trip rating of 18-20A.

The working principle of a circuit breaker is based on the concept of over current protection. When too much current flows through the circuit, it can cause a power surge that can damage the components and overload the circuit. To prevent this from happening, R21-4-15.0A-R02IV-T circuit breaker has a built-in thermal magnetic trip that will sense the power overload and trip the circuit breaker, cutting off the power to the system.

When the surge or overload occurs, the thermal magnetic trip of the circuit breaker will trigger the airgap switch, which will open the circuit and stop the power flow in the circuit. The airgap switch will reset automatically when the cause of the overload has been removed and the system returns to normal.

R21-4-15.0A-R02IV-T circuit breakers are typically used in residential, commercial and industrial applications where their over current protection, thermal magnetic trip and air gap switch features are necessary. Examples of these applications include machines and appliances, lighting control systems, and industrial processes or facilities.

To ensure that the circuit breaker is functioning correctly, it is important to regularly inspect and maintain it. In addition, users should always consult with a certified electrician and follow safety procedures when dealing with the circuit breaker.

R21-4-15.0A-R02IV-T circuit breakers are designed to protect electrical systems and devices from dangerous power surges and overloads and ensure the overall safety and operation of the components. Proper installation and maintenance of the circuit breaker can ensure its proper functioning and lengthen its life.

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