Description
Carrier HT01CN231 Control Transformer Overview
The Carrier HT01CN231 is an OEM control transformer engineered for use in Carrier HVAC systems. Delivering reliable step-down voltage conversion, this transformer accepts a multi-tap primary input of 208, 230, or 460 volts and outputs a 21-volt secondary at a 15VA rating — providing the low-voltage control power required to operate system controls, relays, and boards with precision and consistency.
Key Specifications
- SKU / Part Number: HT01CN231
- Brand: Carrier
- Primary Voltage: 208 / 230 / 460V
- Secondary Voltage: 21V
- VA Rating: 15VA
- Application: Carrier HVAC control circuit power supply
Features & Benefits
- Multi-tap primary accommodates 208V, 230V, and 460V supply voltages for flexible installation
- 21V secondary output delivers precise low-voltage power to control circuits
- 15VA capacity suited for typical HVAC control board and relay applications
- Genuine Carrier OEM component ensures compatibility and reliable long-term performance
- Direct replacement for failed or aging transformers in Carrier equipment
Application
Designed as a direct OEM replacement, the HT01CN231 is the correct choice when restoring control circuit power in Carrier commercial and residential HVAC equipment. Its multi-tap primary makes it adaptable to varying supply voltages commonly found in commercial installations, reducing the need for multiple transformer SKUs on the service truck.







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