LELZXK1-39374-1-V

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Circuit breakers are an essential component of any electrical system, used to ensure safe operation and protect against overcurrents, shorts, and other potentially hazardous conditions. The LELZXK1-39374-1-V is a popular circuit breaker model, designed for intermediate-duty industrial applications. This article explains the LELZXK1-39374-1-V\'s application field and working principle.

The LELZXK1-39374-1-V is rated for up to 250 Volts AC or 250 Volts DC and up to 125 Amps. It is UL489 certified, complies with IEC/EN 60947-2, and is suitable for use in most industrial settings. It is commonly used in applications such as machine tools, air compressors, lighting, and HVAC systems.

The LELZXK1-39374-1-V circuit breaker features a temperature-compensated design that helps it operate reliably in extreme temperatures. It also features a thermal-magnetic mechanism, with a fixed setting and no manual adjustment necessary. This design helps reduce the risk of tripping due to power spikes or other hazardous conditions.

The LELZXK1-39374-1-V circuit breaker is designed to detect dangerous conditions, such as overcurrents, short circuits, and ground faults. When an overcurrent or short circuit occurs, a small amount of current is used to trip the circuit breaker. This current flow is detected by a sensitive current transformer, which trips the breaker and interrupts the circuit.

The LELZXK1-39374-1-V also includes an insulation fault system and a short circuit detection system. The insulation fault system monitors the insulation of the circuit, and if the insulation is lost, it will trip the breaker to prevent a potential shock hazard. The short circuit detection system monitors the current, and if it detects any current above the maximum rating, it will trip the breaker.

The LELZXK1-39374-1-V also features a built-in manual reset. If the breaker has been tripped, the user can then manually reset it by pressing the reset button. Once the current is within acceptable range, the breaker will reclose and the circuit will be restored.

In conclusion, the LELZXK1-39374-1-V circuit breaker is a reliable and efficient solution for intermediate-duty applications. It is UL489 certified, uses a thermal-magnetic mechanism, and includes a manual reset for easy operation. It is designed to detect overcurrent, short circuits, and insulation faults, helping to ensure safe and reliable operation.

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