Description: For sale is a Genuine Trane OEM General Purpose Relay (Part #RLY01040). This is a high-quality switching relay manufactured by Zettler Controls (Model ZC90340SP-01) for use in Trane and American Standard HVAC systems.
This "Power Duty All" relay is designed for standard 24V control circuits and is commonly used for blower motor switching, fan control, and heating/cooling transitions.
Technical Specs:
Coil: 24VAC 50/60Hz
Rating: 3/4 HP (125/208/250/480VAC)
Resistive: 15A @ 277VAC
Terminals: 1/4" Quick Connect
Condition Notes: Item is brand new and has never been installed. It will ship in its original Trane factory packaging as shown in the photos.
this is a Trane OEM General Purpose Relay (specifically an HVAC switching fan relay). It is manufactured for Trane by Zettler Controls.
This specific part is used as an intermediary switch in heating and cooling systems, allowing a low-voltage signal (from your thermostat or control board) to turn on high-power components like fans, motors, or burners.
Technical Specifications
Part Numbers: RLY01040 (Trane) / ZC90340SP-01 (Zettler)
Type: SPDT (Single Pole Double Throw) — This means it has one input that can switch between two different output paths.
Coil Voltage: 24VAC (standard for HVAC control circuits).
Current Ratings: * 3/4 HP at various voltages (125V to 480V).