Description
The Trane RLY03708 Relay Single Phase Motor Start controls the starting sequence of single-phase motors by managing electrical current flow during system startup. It operates through an electromagnetic switching action that temporarily engages the start winding, allowing the motor to build torque before transitioning to normal running conditions in HVAC systems such as air handlers, compressors, and blower units. Installed within the control panel and connected to the motor circuit, it coordinates with start capacitors and power supply lines. Its operation supports smooth motor initiation, reduces electrical stress during startup, and maintains consistent activation behavior.
