Carrier 38CQ660029 Defrost Relay 318518-761 Wall mount design ensures easy

Wall mount design ensures easy integration into standard HVAC control layouts

low-resistance wiring connection that technicians rely on during field service calls

Can the H-735 monitor loads below 1 Amp

effectively protecting your electrical service from massive simultaneous loads

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Carrier 38CQ660029 Defrost Relay 318518-761 Wall mount design ensures easyThe Carrier 38CQ660029 Defrost Relay is a specialized HVAC defrost control board designed for heat pump systems requiring precise field selectable timing. This genuine OEM replacement part manages the transition between heating and defrost modes by monitoring the defrost thermostat and cumulative compressor run time. Engineered for 208 240V configurations, the board supports a 10A current capacity and features adjustable intervals of 30, 45, or 90