Cutler-Hammer A3X3RPX Triple Auxiliary Contact Block is a three-contact auxiliary module designed for use with Type KD Frame equipment. It is listed as a Cutler Hammer/Westinghouse A3X3RPX triple auxiliary for Type KD Frame 6642C15G08, adding three auxiliary contacts to the control circuit. This accessory is intended for use with compatible KD Frame devices to expand signaling and interlock options in a control system.
