J7MN-25-4 Circuit Protection

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Circuit breakers are designed to protect electrical components from damage due to overloads or short circuits. The J7MN-25-4 model circuit breaker is a manual reset circuit breaker with two poles and is designed to be used in a variety of applications. This article will discuss the application field and working principle of this specific model.

Application Field

The J7MN-25-4 model circuit breaker is a two pole breaker and is designed to be used in a variety of applications. It can be used to protect lighting ballasts, motor starters, transformers, and other low voltage electrical equipment. It can also be used in a variety of other applications where a manual reset breaker is required.

This manual reset breaker is rated for up to 25 amps and is rated for 50/60 Hertz. It has an operating temperature range of -40 degrees to +65 degrees Celsius. It also has a manual reset feature for easy resetting of the breaker.

Working Principle

The J7MN-25-4 model circuit breaker works on the principle of a thermal-magnetic release. When the breaker is triggered it causes a magnetic field to be created around the breaker. This magnetic field then interacts with a thermal sensitive element which opens or closes the breaker depending on the temperature of the element.

When the temperature of the element rises above a certain threshold, it causes the breaker contacts to open. This will then cut power to the circuit, preventing any further current from flowing. When the temperature of the element drops below the threshold, the breaker contacts are closed and power is restored to the circuit.

The J7MN-25-4 also has an additional manual reset feature. This allows the user to reset the breaker without having to disconnect the power source. This makes it beneficial for applications where a manual reset breaker is required.

Conclusion

The J7MN-25-4 model circuit breaker is a reliable and efficient way to protect vulnerable electrical components from damage due to overloads or short circuits. It is designed to be used in a variety of applications due to its manual reset feature and its ability to handle up to 25 amps and 50/60 Hertz. The working principle of the J7MN-25-4 model circuit breaker is based on a thermal-magnetic release, which prevents power from being supplied to the circuit when the temperature of the element rises above a certain threshold.

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