219-3-20800-100

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Circuit breakers are essential electrical components which are used in various industries for controlling short circuits and overcurrents. The 219-3-20800-100 model is one of the most widely used circuit breakers, which is equipped with an overload relay. It is a manually reset thermal-magnetic breaker whose purpose is to protect circuits from overcurrent. It is typically used in residential, industrial, and commercial applications, making it a very valuable tool when it comes to controlling power usage and preventing damage to circuit components or wiring. This circuit breaker features two independent working principles: thermal protection and electromagnetic protection.

The thermal protection feature of this circuit breaker is effective in preventing overcurrent caused by high current densities, most commonly found in large electrical networks. When the current density in the circuit exceeds a certain threshold, a current interruption mechanism triggered by heat is activated. It works by interrupting the electrical circuit, thus preventing the overcurrent from continuing and damaging the circuit components. The circuit breaker will remain in this tripped state for as long as the overcurrent persists. The user must then manually reset the breaker in order for the circuit to operate again.

The other protection feature of the 219-3-20800-100 circuit breaker is its electromagnetic protection. This works by placing an iron core wrapped in a coil of wire or another magnetic material within the current path. When a high current is detected, it causes the core to heat up, resulting in a slight displacement of the core. This movement of the core then breaks the electrical circuit when the current is greater than what the breaker is rated for. This breaker typically trips in less than 8 milliseconds, making it an effective tool against overcurrents, high rates of charge/discharge, and miswiring.

The 219-3-20800-100 circuit breaker offers great functionality and reliability, making it an ideal choice for many industrial, commercial, and residential applications. It is well-suited to protect circuits against overloads and high current densities, providing reliable and safe protection against accidental fires and damages to wires and components. This economical breaker has been repeatedly tested for safety and efficiency according to industry standards, making it a trusted option to have installed on residential and industrial circuits.

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