Trane RLY3346 Power Relay R-407A depending on the specific appliance

depending on the specific appliance BTU rating

Where should the drain line be directed

High-Temperature Reliability: Engineered to withstand harsh environments with a thermal rating up to 185°F (85°C)

The internal electronics are rated for operation up to 150°F

Trane RLY3346 Power Relay R-407A depending on the specific applianceThe Trane RLY3346 is a heavy duty 24V 50A DPST N O Power Relay designed for high amperage switching in residential and light commercial HVAC systems. This OEM Trane replacement relay is the direct service match for legacy part numbers CTR0503 and CTR00503, ensuring precise mechanical fit and electrical compatibility without the need for field modifications. Engineered as a double pole single throw component, it simultaneously manages both legs of a