- Industrial Extraction
- Laboratory Extraction
- Vehicle Exhaust Extraction
- Fans and Controls
The S-400 is used for automatic control of damper motor SAS-24. Fans are normally controlled via the S-600 transformer units.
The after run time for evacuation of remaining gases is built into the control unit. The time is set between 0-15 minutes. The S-400 is supplied with 24-Volts from S-600 transformer unit.