Description
This is a brand new OEM Trane American Standard upgraded Condenser Contact Relay 3P 40A 24V. It is a direct replacement for Trane American Standard. It replaces the part numbers listed below.
Function:
A contactor is a form of a relay. Relays are switches that open and close circuits electrically. In most HVAC equipment a low voltage coil relay (24 vac) is energized in order to open or close a higher voltage (usually 120-240) circuit.
Replaces Old Part #s:
CTR03023
Repair Difficulty Level:
Partial List of Units that Use This Item:
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