3120-F621-H7T1-W01D-X3120-U0000M-16A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Circuit Breakers

A 3120-F621-H7T1-W01D-X3120-U0000M-16A is a type of electrical switching device used in either an AC or DC application to protect circuits and equipment from damage due to overloads and short circuits. It works by automatically sensing the current flowing through the circuit, tripping or breaking the circuit when the current reaches a certain limit. This limits the current flow, preventing further damage to the circuit and equipment.

Circuit breakers are categorized by their interrupting rating, which indicates the maximum amount of current they can safely interrupt before damage occurs. The UL rating is the most common type and is expressed in amps. Most domestic and smaller applications will use a 15 or 20 amp rating, while larger applications may use a higher number, such as 30 or 50 amps.

Most circuit breakers are designed to trip at a certain current level to protect the circuit from an overload. This is normally set at a lower value than the interrupting rating. When the current reaches the set level, the circuit breaker will trip and open the circuit, cutting off the flow of electricity. Depending on the type of breaker, this may be a manual or an automatic process.

Circuit breakers also have thermal cutoffs built in. These will sense the heat generated in the circuit and break the circuit if the heat exceeds a certain level. This prevents the circuit from overheating due to high current draw or faulty wiring. Thermal cutoffs are usually found in larger installations where multiple circuits are combined or in outdoor installations.

Circuit breakers can also be classified by their voltage. AC circuit breakers are rated for use with either 120 or 240 volts. DC breakers are usually rated for 12 or 24 volts.

Circuit breakers come in a variety of styles and configurations. The most common are single-pole breakers, which are used to protect circuits such as kitchen appliances or lighting, and double-pole breakers, which are used to protect larger items such as washers, dryers, stoves, and furnaces.

In addition to individual circuit breakers, there are also panels that combine multiple breakers. These are commonly used in residential applications and are designed to protect the house from overloading the circuits. These panels contain several individual breakers that are connected in series, with each one providing protection for a different part of the house.

Circuit breakers are an important part of any electrical system. They provide protection from overloads and short circuits, as well as thermal protection from overheating. Without them, circuits and equipment would be vulnerable to damage or destruction.

The specific data is subject to PDF, and the above content is for reference