LELK1-1RS4-27129-960 Circuit Protection

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Circuit breakers are one of the most important safety features of any electrical system, and the LELK1-1RS4-27129-960 is no exception. The device is a manually operated, 2-pole, single-phase, non-interruptible, circuit breaker with thermal-magnetic trip characteristics and adjustable overload/short-circuit protection. It is designed for residential and light commercial AC applications.

Application Field

The LELK1-1RS4-27129-960 is suitable for residential and light commercial power distribution, including secondary panel boards, motor control centers, busways, point-of-use wiring devices, and load control applications. It is also approved for mini-split HVAC applications. The device is suitable for use in residential and industrial applications up to a voltage rating of 120/240VAC, 50/60Hz.

Working Principle

The LELK1-1RS4-27129-960 is equipped with advanced thermal-magnetic trip characteristics that help protect against current overloads and short-circuits. When an overload or short-circuit occurs, the device trips open to disconnect power to the circuit and prevent further damage to the electrical system. The adjustable overload/short-circuit protection allows the user to set the trip current of the device to fit their specific application needs. The device has a hold-on feature which allows the user to manually reset the breaker after a trip occurs.

The device is equipped with visible and tactile trip indicators to indicate if the breaker has tripped due to an overload or short-circuit. In addition, the device has an audible and visual alarm to alert the user of an impending or existing over-temperature, over-current, or phase-loss condition.

The device features an adjustable clamp and adjustable trip speed to respond quickly to fault conditions and provide effective protection against overloads and short circuits. The device also features an LED status indicator to alert the user if the breaker is in an open or closed position. The LED status indicator is also useful in helping to diagnose and troubleshoot a problem when the device trips.

The LELK1-1RS4-27129-960 is a UL Listed device and is tested to the UL1077 Standard for Circuit Breakers. The device is also RoHS and CSA certified and is compliant to UL standards for hazardous locations.

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