219-2-21241-5 Circuit Protection

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The circuit breakers 219-2-21241-5 are designed as an important component used in the control of the current flowing through a circuit. Circuit breakers are used to protect people, equipment, and circuitry from potential damage caused by electric current overloads or short-circuits. They come in a variety of shapes and sizes, but the most common one is the normal combined circuit breaker, which consists of two separate but closely related parts. These two parts, known as the contact assembly and the thermal fuse, work together to provide an integrated protection solution.

The contact assembly serves as the main switch that is opened and closed to interrupt the electrical current that is flowing through the circuit. The contacts of this assembly are typically made from copper, brass or molybdenum metal alloy. Depending on the amperage of the circuit, these contacts may be individually adjustable or the unit may have one-time adjustment. As the circuit current increases, the contacts become hotter and eventually open, thus interrupting the current flow.

The thermal fuse is a secondary protection component of the circuit breaker. It is designed to provide an additional level of safety by sensing when the current is becoming too high and turning off the contact assembly. In this way, it prevents any further current from passing through the circuit. This secondary protection component usually consists of a pair of bi-metallic strips that are placed within the contact assembly. As current passes through the thermal fuse, it causes the two strips to expand due to the heat generated, and eventually the contacts are opened to interrupt the circuit’s current.

The 219-2-21241-5 circuit breakers can be used in a wide range of applications, from residential and commercial wiring, through industrial plants and electric power transmission networks. They are also used to protect light-duty motors, small motors, air conditioners and refrigerators. These circuit breakers can be found in all types of fuse boxes and panelboards for both residential and commercial applications. Additionally, they can be used in both AC and DC circuits.

In summary, the 219-2-21241-5 circuit breakers are designed to provide reliable and efficient protection for circuits, people, equipment and facilities in both residential and commercial applications. They are a rugged and dependable device that combines a contact assembly and a thermal fuse to provide integrated protection. Circuit breakers of this type are highly reliable in a wide range of applications and are available in many sizes and configurations.

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