IEGZX11-39657-20-V

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Circuit Breakers are essential components in any electrical system; they are designed to protect the system from overloads, short circuits, or other system faults. The IEGZX11-39657-20-V is a typical example of a circuit breaker, designed specifically for low-voltage applications. In this article, we will discuss its application field and working principle.

What is an IEGZX11-39657-20-V?

The IEGZX11-39657-20-V is a UL-Listed Breaker, available in both three- and four-pole versions. It is rated 600 volts AC for two- and three-pole breakers and 1000 volts AC for four-pole breakers. This breaker is smaller than most other circuit breakers, but it can still accommodate up to four wires.

The IEGZX11-39657-20-V is mainly intended for use in low-voltage electrical systems. It is designed to trip quickly and reliably when a fault occurs, such as an overload or short circuit, in order to protect the system from damage.

What is the application field of IEGZX11-39657-20-V?

The IEGZX11-39657-20-V can be found in a variety of applications, from industrial facilities and commercial buildings to residential homes. It is suitable for use in systems where the AC voltage is 600 volts or less. This includes single-phase, three-phase, and direct current (DC) applications. It is also rated for use with both copper and aluminum wiring.

Typical applications include HVAC systems, lighting systems, motor control applications, and industrial machinery control applications. Additionally, many municipalities and other government agencies require the use of the IEGZX11-39657-20-V in their buildings.

What is the working principle of IEGZX11-39657-20-V?

The IEGZX11-39657-20-V operates on the thermal-magnetic principle. It consists of a thermal element that reacts to excess current, an external magnetic actuator, and contacts. The thermal element is designed to quickly detect an overload condition and trip the breaker. The external magnetic field trips the breaker when a short circuit occurs.

When an overload occurs, it causes an increase in temperature in the thermal element. When the temperature reaches a certain threshold, the thermal element expands, trips the contacts, and switches off the power to the circuit. The external magnetic field trips the breaker when it senses a high-voltage surge, such as in a short circuit situation. In this case, the contacts open quickly, disconnecting the power supply to the circuit.

The IEGZX11-39657-20-V also features a manual reset option. After the power is shut off, the breaker can be manually reset and the power supply to the circuit restored. Depending on the condition of the circuit, the breaker may need to be replaced if the overload or short circuit is not corrected.

Conclusion

The IEGZX11-39657-20-V is a UL-Listed Breaker designed specifically for low-voltage applications, including motor control, lighting, HVAC, and industrial machinery. It is rated for use with 600 volts AC three- and four-wire systems, and 1000 volts AC four-wire systems. The IEGZX11-39657-20-V operates on a thermal-magnetic principle, with a thermal element and external magnetic field that trip the breaker when an overload or short circuit is detected.

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