Description
The Trane RLY03902 4PDT Relay Contact is used to control multiple electrical circuits within heating and cooling equipment. It is fitted in control panels where it switches and directs current between different components based on system signals. Rated for 6A at 250V, HVAC systems on this relay to coordinate operation of fans, compressors, and safety components by opening or closing circuits as required. It works as an interface between low-voltage control signals and higher-power loads, ensuring proper sequencing and dependable electrical switching within the equipment.
