The Trane RLY01634 Time Delay Relay is an electrical control component designed for compatible Trane central air conditioners and HVAC systems. Operating with a 24 VAC coil and a 0.5A rating, it uses a single-pole, single-throw (SPST) switching mechanism to control circuit operation after a preset three-minute delay. This relay helps manage equipment cycling, supports reliable system ... https://www.partshnc.com/trane-rly01634-3-min-time-delay-relay-coil-spst-0-5a-24-vac