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Circuit Breakers

Circuit breakers are a crucial part of any electrical system, providing protection against circuit overloads, short circuits, and ground faults. The CB4-B0-24-650-121-C is a specific type of circuit breaker specifically designed for protection against overloads, short circuits, and ground faults in medium-voltage AC systems.

The CB4-B0-24-650-121-C is a 3-pole circuit breaker with an adjustable trip setting. It has a rated current of 24A, a rated voltage of 650V AC, and a frame number of 121. It is designed for indoor or outdoor use. It is single-phase, three-wire, and 50/60Hz AC systems.

Application Field

The CB4-B0-24-650-121-C is commonly used in industrial AC/DC power systems, such as electrical substations, factories, and public buildings. It can also be used in high-voltage overhead lines and in some residential applications, such as backyard lighting.

Working Principle

The CB4-B0-24-650-121-C works by sensing current levels in the power circuit and automatically disconnecting the power supply when a fault is detected. It operates when a fault is sensed, drawing a small amount of current from the circuit for a short period of time. This rapid increase in current triggers a switch, which opens the circuit breaker, allowing current to freely flow until the fault is cleared. If the fault persists, the circuit breaker will remain open until it is manually reset.

The CB4-B0-24-650-121-C’s adjustable trip setting allows you to set the trip level of the circuit breaker at the desired current level and set the sensitivity of the circuit breaker accordingly. This allows the circuit breaker to provide the right amount of protection, without unnecessarily cutting off power to the entire circuit. This is especially beneficial in industrial and public buildings, where downtime can be costly.

Conclusion

The CB4-B0-24-650-121-C is an excellent choice for providing reliable circuit protection in AC/DC power systems. It is easy to install and adjust, offering users the ability to customize the trip settings to meet their specific needs. With the adjustable trip setting, users can ensure their circuits are safely and reliably provided with the right amount of protection.

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