Supco SUPR Universal Potential Relay 30A

The Supco SUPR Universal Potential Relay 30A is an electrical starting part that uses single-phase compressors designed for HVAC and refrigeration systems. It regulates the connection and disconnection of the compressor start capacitor during startup, assisting the motor reach operating speed efficiently while reducing electrical strain. Commonly installed in air conditioning units, refrigeration equipment, and heat pump systems, this universal relay supports replacement across multiple compatible applications. Within the system, it operates as a control component that manages compressor start-up performance, contributing to stable operation and proper cycling of cooling equipment in residential and commercial conditions.