Carrier 15B0002N03 277V Primary 24V Secondary 75VA Transformer

Carrier 15B0002N03 Control Transformer Overview

The Carrier 15B0002N03 is an OEM-quality control transformer engineered to deliver dependable, low-voltage power to HVAC control circuits. Stepping down a 277V primary input to a 24V secondary output at a 75VA capacity, this transformer is purpose-built for commercial and light-industrial HVAC applications where precise, stable control voltage is critical to system performance.

Key Specifications

• SKU: 15B0002N03
• Brand: Carrier
• Primary Voltage: 277V
• Secondary Voltage: 24V
• VA Rating: 75VA
• Product Type: Control Transformer

Features & Benefits

• OEM Carrier replacement part ensures proper fit and compatibility with Carrier equipment
• 277V primary voltage suits commercial building electrical systems where 277V single-phase power is standard
• 24V secondary output powers thermostats, control boards, relays, and other low-voltage HVAC control components
• 75VA capacity provides sufficient power for a range of control circuit loads
• Designed for reliable, continuous-duty operation in demanding HVAC environments
• Direct OEM replacement minimizes downtime and simplifies installation

Application

The Carrier 15B0002N03 transformer is ideal for use in commercial HVAC systems, rooftop units, air handlers, and other Carrier equipment requiring a 277V-to-24V step-down transformer. It supplies the stable 24V control power needed to operate thermostats, contactors, relays, and building automation control circuits.