3120-F521-PTT1-W01D-20A

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Circuit Breakers

Circuit breakers are essential components in any electrical system. These devices are used to quickly shut off power in the event of a dangerous overload or short circuit condition to protect people and equipment. When it comes to safety and reliability, circuit breakers are second to none. But not all circuit breakers are the same. Each type of breaker is designed to protect a different type of circuit.

3120-F521-PTT1-W01D-20A Circuit Breaker

The 3120-F521-PTT1-W01D-20A is a high-performance circuit breaker designed to protect raceway, residential and commercial circuits up to the full range of current rating. The breaker features current limiting, short-circuit protection and over-temperature protection. It also has adjustable trip settings to accommodate different loads.

Application Field

This type of circuit breaker is ideal for protecting circuits that are subject to high levels of demand. It is designed for residential and commercial applications where reliable power supply is a must. It can be used in both AC and DC electrical systems with a voltage rating of up to 250 V. This type of breaker is also suitable for motor-driven equipment including conveyors, pumps and compressors. Additionally, the breaker can be used to reduce arcing, sparking, and systems failures that are common when supplying electricity to certain motors.

Working Principle

The 3120-F521-PTT1-W01D-20A circuit breaker relies on the thermal-magnetic operating principle. This means that the breaker uses both heat and magnetism to detect overloads and short circuits. When the current flow exceeds the rated amperage level, the bimetal disc in the device will react to the heat produced by the increased current. This disc will expand within the device, which triggers a mechanism that releases the latch and trips the breaker. When this occurs, the contacts of the device will open and the power supply to the circuit will be cut off.

The circuit breaker is also equipped with a magnetic element which detects short circuits. When an abrupt surge of electricity passes through the system, the current will induce a magnetic field around the breaker. This magnetic field will be detected by the breaker and will cause it to trip and cut off the power supply.

Conclusion

The 3120-F521-PTT1-W01D-20A circuit breaker is an excellent choice for residential and commercial applications where reliable power supply is a must. This device is designed to protect raceway, residential and commercial circuits up to the full range of current rating and features adjustable trip settings, current limiting, short-circuit protection and over-temperature protection. It relies on the thermal-magnetic operating principle to detect overloads and short circuits and quickly shut off power in the event of a dangerous overload or short circuit condition.

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