Description
The Schneider Electric (Barber Colman) TC-1103 is a dependable two-position electric room thermostat engineered for versatile commercial and residential HVAC applications. Designed to accept both low and line voltage wiring, this thermostat offers broad installation flexibility across a wide range of heating and cooling systems.
Key Features
- Two-position (on/off) electric control action for straightforward system switching
- Compatible with low voltage and line voltage systems — no additional transformer required for line voltage applications
- 75°F to 105°F setpoint range, ideal for heating applications including unit heaters, electric baseboard, and hydronic systems
- SPDT (Single Pole Double Throw) snap action switch for reliable, positive switching and long contact life
- NEMA 1 enclosure rating — suitable for general-purpose indoor installations
- Includes decorative cover and multiple inserts for a finished, professional appearance
- Mounts flush or surface on a standard 2″ x 4″ electrical box for easy installation
Technical Specifications
- Model: TC-1103
- Brand: Schneider Electric (Barber Colman)
- Control Type: Two Position (On/Off)
- Voltage Compatibility: Low Voltage or Line Voltage
- Setpoint Range: 75°F to 105°F
- Switch Type: SPDT Snap Action
- Enclosure Rating: NEMA 1
- Mounting: Flush or Surface on 2″ x 4″ Electrical Box
- Includes: Cover and Inserts
Applications
- Commercial and light industrial heating control
- Unit heater and electric baseboard thermostat replacement
- Hydronic and radiant heating systems
- Fan coil unit control
- General-purpose two-position HVAC switching
The TC-1103 is a proven solution from Schneider Electric’s trusted Barber Colman controls line, offering straightforward installation, reliable switching performance, and a clean finished appearance — making it a go-to choice for HVAC contractors and facilities maintenance professionals.







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