The Ingersoll Rand 24474124 is an auxiliary contact switch used on a wide variety of their rotary screw air compressors. This is a normally closed auxiliary contact. This is an OEM part for Ingersoll Rand compressors manufactured by ABB. This contact switch may be referred to as an auxiliary relay and most commonly attaches to the main motor contactor. This sends a separate control signal to the compressor.
24474116
22132963
39251160
24474124
