3120-F311-P7T1-W19DG4-3A

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A circuit breaker is an electrical control device designed to protect an electrical circuit from short circuit damage and overload. Circuit breakers are designed to prevent faults and reduce the risk of electrical fires by automatically opening or resetting a circuit in the event of an electrical overload or short circuit. The model 3120-F311-P7T1-W19DG4-3A is a type of circuit breaker and is typically used in residential and light commercial applications.

The 3120-F311-P7T1-W19DG4-3A circuit breaker comprises a single-phase, two pole unit with a fixed thermal and magnetic trip element. It has an enclosure rating of NEMA1. It has a rating of 250V, 20A, and can be used for a variety of applications, such as circuits for air-conditioning units, lighting, stove outlets and water heaters. It is a UL listed product and is compatible with a range of common panelboard brands, including Square D, GE,Westinghouse, ITE/Siemens and Murray.

The operation of the 3120-F311-P7T1-W19DG4-3A circuit breaker is based on the principle of thermal-magnetic operation. When an overload or short circuit occurs, the breaker trips on either the thermal or magnetic element. The thermal element operates by sensing an increase in the ambient temperature of the circuit, while the magnetic element senses the amount of current flowing through the circuit. If the current level exceeds the breaker\'s rated current, the magnetic element will trip and open the circuit.

The 3120-F311-P7T1-W19DG4-3A circuit breaker features a manual reset feature, which allows the breaker to be reset when the circuit has been repaired or a fault has cleared. This feature helps to prevent unplanned outages and allows for safe and reliable operation. The 3120-F311-P7T1-W19DG4-3A circuit breaker is designed for use in commercial and residential applications, and is suitable for a variety of settings, such as service entrances, motor control centers and residential panels.

The 3120-F311-P7T1-W19DG4-3A circuit breaker is designed for single pole or two pole operation, with a delay feature in the current rating that helps to protect sensitive electrical equipment. The breaker also features a self-test feature that can detect the presence of a ground fault. This unit is designed to provide continual protection to circuits and is suitable for a variety of applications, such as air conditioners, lighting, fans, and more.

In conclusion, the 3120-F311-P7T1-W19DG4-3A circuit breaker is a UL listed product suitable for a range of light commercial and residential applications. It is designed to protect circuits from short circuit damage and overloads and features a manual reset and self-test feature. The breaker also has a delay feature in the current rating that helps to protect sensitive electrical equipment. It is suitable for a variety of settings, including service entrances, motor control centers and residential panels, and offers reliable and continual protection.

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