PGFI-2201N

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Ground Fault Circuit Interrupter (GFCI) is a type of device that detects fault in an electrical circuit and acts as an active safeguard system against short circuits, electric shocks and other sources of electric hazards. The goal of GFCI is to protect a person or equipment from electric shocks by quickly disconnecting the circuit and alerting the user. GFCI is used in applications where person and devices are connected to an electrical circuit and the risks of electric shocks are high. One of the popular device of GFCI is PGFI-2201N, and it has various applications with its working principle.

The PGFI-2201N is a single phase ground fault circuit interrupter designed to detect any leakage current in an individual circuit, or loop, of one phase. It’s designed to be used in public places, residential buildings, commercial buildings, industrial, and other places with electrical equipment, which can contribute the most to fire and electric shock dangers. The device works in two ways, by using two currents; the current it interrupts due to tripping of the device, and the reference current it summates to ensure proper performance.

The PGFI-2201N works by measuring the difference of current flowing in the circuit against the reference current it is held on the two current transformers it has. The two current transformers are connected around the leakage point of the phase and it compensates for the line imbalance. When the difference between the two current exceeds the pre-selected value, the fault current interrupts activating the interrupter. At the same time, the reference current sustains the speed of the opening device while the fault current signals. This way, the device ensures the safety of the people and equipments.

The PGFI-2201N has a broad application and is suitable for use in single-phase locations. It is suitable for applications including service entrance, feeders, branch circuits, local distribution panels, swimming pools, spas and hot tubs, and other damp and wet locations. The device is suitable for accessing electrical lines in industrial, commercial and architectural buildings. It is also used in medical institution and nurseries, manufacturing or production facilities, and hotels restaurants.

PGFI-2201N is the most popular ground fault circuit interrupter device used in electrical installations due to its safety features and reliability. Its working principle is based on the differential current sensing technology, which helps it provide protection against electric shock hazards, short circuits, equipment fires and other electrical faults. It is safe, reliable and cost-effective, making it an ideal choice for a wide range of electrical installations.

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