DB-SF2.90/12 Damper actuators with spring return for fire dampers, 20 Nm
Well-suited for applications with security / fire dampers used as antifreeze, antismoke or for sealing in the hygienic-sanitary field.
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Specifications
| Supply voltage | 230 V AC |
|---|---|
| Power consumption | operating: max. 9,0 W / 10,0 VA |
| Auxiliary switch | 2 x 5 (1,5) A / AC 230 V |
| Thermal sensor | No |
| Max. damper size | 3m 2 |
|---|---|
| Torque | 20Nm |
| Frequency | 50…60 Hz |
| Thermal sensor | Thermal fuse 72 ° C on duct 72°C (only models ...TA-12) |
| Running time, actuator | 150s |
| Running time, spring return | Max 20 s |
| Rotation angle | 90° |
| Ambient temperature | -20…+50°C |
| Ambient humidity | 5…95 % RH |
| Noise level | Motor: < 45 dB Spring: < 65 dB |
| Mounting | Directly on jack shaft |
| For jack shaft | 12 mm (square shaft) |
| Weight | 2500 g |
| Protection class | IP54 |
| Isolation class | III (DB-SF2: |
| Certification | CE |