3120-F71N-H7T1-A30QG2-5A

Circuit Breakers

Circuit breakers are a crucial component of electrical systems as they provide protection against short-circuits as well as assuring the safety of appliances, workers and the public. 3120-F71N-H7T1-A30QG2-5A is a type of circuit breaker which is designed to provide protection from excess electrical current and help maintain a safe working environment. This article will discuss the application field and the working principle of the 3120-F71N-H7T1-A30QG2-5A.

Application Field

The 3120-F71N-H7T1-A30QG2-5A circuit breaker is a single pole breaker, which is ideal for residential and commercial uses. It is designed to provide protection from short-circuits, and help ensure the safety of people and equipment in the vicinity. The 3120-F71N-H7T1-A30QG2-5A is usually installed in the service entrance, which is the connection point between the source of power and the main distribution panel.

The 3120-F71N-H7T1-A30QG2-5A is also suitable for use in industrial settings. Its rated alternating current (AC) voltage is 480 volts and the rated current is up to 30 amperes. Therefore, it can be employed in applications such as connecting motors and other high-load equipment.

It is also suitable as an outdoor breaker, which is often used in outdoor applications and can withstand extreme temperature, humidity and other weather conditions. The 3120-F71N-H7T1-A30QG2-5A is UL-listed and certified for safe installation and reliable operation.

Working Principle

The 3120-F71N-H7T1-A30QG2-5A is a type of thermal-magnetic circuit breaker. This means that it combines the operations of both a thermal device and a magnetic trip device. A thermal device senses the amount of heat produced by the flow of electric current, while a magnetic trip device senses the amount of energy produced by lethal currents.

In the 3120-F71N-H7T1-A30QG2-5A, both of these elements are housed in the same unit. The thermal element senses the amount of heat created by the electric current. If the amount of heat reaches a certain threshold, the contact points inside the breaker open, thus breaking the circuit. The magnetic element trips when a certain amount of lethal current is detected, which provides a second level of protection.

The 3120-F71N-H7T1-A30QG2-5A is designed to reset automatically after an overload occurs, thereby providing a safe, fast and easy way of restoring power. Additionally, it can be used in both single and 3-phase systems and features a manual trip for manual operations.

Conclusion

In conclusion, the 3120-F71N-H7T1-A30QG2-5A is a type of thermal-magnetic circuit breaker that is suitable for residential, commercial and industrial applications. It is designed to provide protection from short-circuits and ensure the safety of people and equipment in the vicinity. Additionally, it is UL-listed and can withstand extreme temperature, humidity and other weather conditions. It is fast and easy to use, and can be reset automatically after an overload.