SE Relay’s Square D 8501KA alternating relay is designed to control multiple loads in pump applications; it can also be used for any application that requires a device to provide switching capabilities to control multiple loads. Offering 12-amp contact ratings, the relay utilizes less space on the DINA rail and is available in several contact and voltage configurations. When used with the mating Square D socket, the relay has a UL-listed approval status. Common applications include water treatment, compressors and HVAC fans. The relay conforms to numerous international standards and meets the requirements of the European Restriction of Hazardous Substances directive.

Schneider Electric; 800-392-8781;