
Altech's CFTD fan monitoring module.
Altech
Recently, Altech Corporation (EDISON, NJ) announced its new CFTD fan monitoring modules, designed to protect industrial equipment through intelligent fan current monitoring and temperature control. The CFTD series includes three models: CFTD2 (two-fan), CFTD4 (four-fan standard), and CFTDPR4 (four-fan with AC power redundancy).
The CFTD modules monitor fan performance and temperature to maintain reliable cooling and prevent equipment damage in industrial environments.
Features & Benefits:
- Precision current monitoring with configurable over- and under-current thresholds
- Automatic calibration to establish baseline parameters for accurate fault detection
- Three-wire RTD sensor inputs for temperature monitoring
- Programmable temperature set points
- 4–20mA analog output for integration with building management systems
- Three fault recovery methods: alarm-only, manual reset, or automatic retry (30-second intervals)
- AC power redundancy on the CFTDPR4 model, which switches to backup fans during power failures
- LED indicators provide real-time status updates for diagnostics
- DIN rail compatible for easy installation
Technical Specifications:
- Power input: 100–240 VAC single phase
- Current monitoring range: 0–750 mA per fan channel
- Temperature display range: 0–100°C (three-digit display)
- Temperature sensor: three-wire RTD input
- Analog output: 4–20 mA proportional to ambient temperature
- Operating temperature: 0° to 50°C
- Mounting: DIN rail compatible
For more information, visit the Altech Corporation webpage.






















