Description
Product Summary
The Supco SXT115 Transformer 40VA is a professional-grade replacement part from Supco (Sealed Unit Parts Co.), a trusted name in HVAC/R and appliance parts since 1945. A complete line of control transformers designed for HVAC/R applications. Primary Voltage: 120 / 208 / 240. Secondary Voltage: 24V.
Control transformers step line voltage down to the 24VAC used by thermostats, contactors, gas valves, and control boards. Choose the correct primary voltage(s) and a VA rating equal to or higher than the original; a blown transformer is a common cause of a dead thermostat.
Key Features
- Class 2 Rated
- Foot Mount
- Output VA: 40VA
- Primary: 120V / 208V / 240V
- Secondary: 24V
Specifications
| Brand | Supco |
|---|---|
| Part Number | SXT115 |
| Part Type | Transformer |
| Primary voltage | 120VAC/208VAC/240VAC |
| Secondary voltage | 24VAC |
| Output voltage | 40VA |
| Breaker/Fuse | None |
| Mount type | Foot |
Cross Reference
The Supco SXT115 is a direct replacement for the following OEM and competitor part numbers. Always verify ratings and fit against the original part before installing.
| Replaces Part # | Manufacturer | Description |
|---|---|---|
| AT40A1121, AT40A1139, AT40B1214 | Honeywell® | |
| 90-T40F3 | White Rodgers® | |
| UET115 | UEI® | |
| 50354 | Mars® | |
| 4031F | Jard® |
White Paper
What's Included
- (1) Supco SXT115 Transformer 40VA
Safety: Always disconnect power and follow lockout/tagout procedures before servicing electrical components. Installation should be performed by a qualified technician.
