CR11-52-30.0A-70034-3-V

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Circuit breakers are essential components for the safe operation of power systems, providing protection against abnormal electrical conditions, such as short circuits, overloads and ground faults. The CR11-52-30.0A-70034-3-V is a medium-voltage circuit breaker designed for interrupting and protecting circuits in medium voltage applications. This article will discuss the applications and working principles of this specific circuit breaker.

Applications of the CR11-52-30.0A-70034-3-V Circuit Breaker

The CR11-52-30.0A-70034-3-V circuit breaker is capable of interrupting AC/DC currents within the range of 150V to 890V and has a rating of 30 amperes. It is suitable for a variety of applications, including:

• Industrial applications, such as industrial machinery, factories and other power facilities.
• Power infrastructure, such as transformers, generators and other power equipment.
• HVAC systems, such as air conditioning and ventilation.
• Electrical equipment and appliances, such as refrigerators and freezers.

Working Principle of the CR11-52-30.0A-70034-3-V Circuit Breaker

The CR11-52-30.0A-70034-3-V circuit breaker uses a magnetic circuit with a built-in wire coil to detect and interrupt current arcs. This is accomplished by creating a magnetic field when current passes through the coil. When a fault occurs, the magnetic field created by the coil causes a plunger to be forced downward, which causes the contact points in the breaker to open and interrupt the circuit.

When the fault is cleared, the magnetic circuit is reset and the contact points can be closed again, restoring current to the circuit. The circuit breaker is equipped with a locking mechanism which prevents the contact points from being forced open by a transient overload.

In addition, the circuit breaker is equipped with an adjustable trip curve. This allows the user to select a trip curve which is appropriate for the application, ensuring that the circuit breaker opens at the correct time to protect the circuit from an overload or short circuit.

Conclusion

The CR11-52-30.0A-70034-3-V circuit breaker is a medium-voltage breaker designed for interrupting and protecting circuits in medium voltage applications. It is suitable for a variety of applications, including industrial, power infrastructure, HVAC systems, and electrical equipment and appliances.

The circuit breaker is equipped with a number of features which allow it to be used in a variety of applications. It uses a magnetic circuit with a built-in wire coil to detect and interrupt current arcs, and also features an adjustable trip curve and a locking mechanism.

The CR11-52-30.0A-70034-3-V circuit breaker is an effective and reliable protection solution for medium-voltage applications.

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