The Barber Colman TA-3434 is a high/low duct thermostat designed for monitoring and controlling duct air temperature in HVAC systems. Operating on 120–240V, this manual-reset thermostat is ideal for safety cutout and over-temperature protection. Its rugged construction and reliable sensing capabilities make it a trusted component in commercial and institutional heating and cooling systems. Now part of the Schneider Electric family, the TA-3434 upholds Barber Colman’s reputation for dependable control.
Technical Specifications
- Model: TA-3434
- Type: Hi/Low Duct Thermostat
- Voltage: 120–240V
- Reset Type: Manual
- Mounting: Duct-mounted
- Application: Air temperature control and limit protection
- Manufacturer: Barber Colman (Schneider Electric)
Key Features
- Designed for high/low temperature duct sensing
- Manual reset for safety-critical systems
- Operates at standard 120–240V line voltage
- Durable housing suitable for commercial HVAC environments
- Reliable performance for over-temp protection
- Ideal for use with alarms or shutdown circuits
Compatible Components & Accessories
- Air handling units and duct systems
- Control panels and limit switches
- Schneider Electric building management systems
- Compatible mounting brackets and electrical boxes
Industry Applications
- Commercial HVAC systems
- Institutional and industrial ventilation
- Equipment over-temperature shutdown
- High-limit duct temperature monitoring
- Manual-reset safety applications
Installation & Maintenance Notes
- Mount securely in duct airflow path
- Wire to 120–240V control or alarm circuit per local code
- Set temperature trip point as required
- After activation, reset must be done manually
- Inspect regularly for buildup or airflow obstructions near sensor
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