Description
Overview
The Schneider Electric (Barber Colman) TC-4122 is a heavy-duty remote bulb thermostat engineered for precise temperature control in commercial and industrial HVAC applications. With a wide 100°F to 260°F setpoint adjustment range and a robust SPDT switching action, this thermostat is well-suited for unit heaters, duct-mounted applications, fan coil units, and other systems requiring reliable high-temperature sensing.
Key Features
- SPDT (Single-Pole, Double-Throw) switching action for versatile control wiring configurations
- Wide setpoint adjustment range: 100°F to 260°F
- 10-foot armored copper capillary for remote sensing flexibility and durability in demanding environments
- 3/8″ x 4″ copper sensing bulb for accurate and responsive temperature detection
- Adjustable differential: 3 to 16 degrees, factory set at 3 degrees
- NEMA 1 enclosure rating for general-purpose indoor installations
- Barber Colman heritage — trusted commercial-grade construction
Specifications
- Model: TC-4122
- Brand: Schneider Electric (Barber Colman)
- Switch Type: SPDT
- Setpoint Range: 100°F to 260°F
- Capillary Length: 10 feet, armored copper
- Bulb Size: 3/8″ diameter x 4″ length, copper
- Differential: 3 to 16 degrees (factory set at 3 degrees)
- Enclosure: NEMA 1
Applications
The TC-4122 is ideal for a wide range of commercial HVAC and building automation applications, including:
- Unit heater temperature control
- Duct-mounted high-limit or operating control
- Fan coil and air handling unit control
- Industrial process temperature switching
- Boiler and hydronic system auxiliary control
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