CPA-1-1REC4-51-30.0-A-01

Circuit Breakers

CPA-1-1REC4-51-30.0-A-01 Application Field and Working Principle

Circuit breakers are devices that protect systems from short-circuits and overloads as well as opening and closing circuits. These devices monitor the normal conditions of the electricity supply system and are designed to open when an abnormally high current is detected. When this happens, the circuit breaker will break the circuit and stop the flow of electricity in the system, avoiding possible damage to electrical components and other equipment.

CPA-1-1REC4-51-30.0-A-01 circuit breaker is a high-power circuit breaker used in high-power applications such as industrial, commercial, and residential applications. It is designed to protect against over-current and short-circuit conditions by quickly identifying such conditions and automatically disconnecting affected circuits or equipment from the power supply. It is a double-pole circuit breaker with a rated voltage of 250V, 10A, and a maximum over-current protection capacity of 30A, making it suitable for applications such as motor and lighting circuits and phase-to-phase over-current protection.

The working principle of the CPA-1-1REC4-51-30.0-A-01 circuit breaker is based on the principle of thermal-magnetic operation. This circuit breaker contains a thermal-magnetic release element which is responsible for detecting and responding to faults, such as short-circuit, over-current, and phase imbalance. The thermal-magnetic release comprises of a bimetallic strip or thermal fuse, and a magnetic trip unit. The thermal component, which is responsible for detecting overloads, works by expanding and contracting as the temperature changes around it. If the temperature increase exceeds a predefined limit, the thermal component will force the trip unit to open the circuit. On the other hand, the magnetic component detects current overloads, and when the current exceeds the set limit, it will activate the trip unit and open the circuit.

The CPA-1-1REC4-51-30.0-A-01 circuit breaker is suitable for applications where reliable wind-up protection and over-current protection are required, such as motor and lighting circuits. The device is also suitable for phase-to-phase over-current protection, such as in industrial and commercial applications. Moreover, its ability to quickly and reliably detect abnormal electricity conditions such as short-circuits, overloads, and phase imbalance, guarantees the safety and reliability of connected electrical systems and components.

In summary, the CPA-1-1REC4-51-30.0-A-01 circuit breaker is a reliable and efficient device for protecting electrical systems from over-current and short-circuits as well as opening and closing circuits. It features a high-powered thermal-magnetic release element which detects and responds to faults quickly and accurately, making it suitable for high-power applications in industrial, commercial, and residential settings.