Industrietechnik
DB-SF1.90/12 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 | 24 V AC / DC |
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Power consumption | operating: max. 6,5 W / 8,5 VA |
Auxiliary switch | 2 x 5 (1,5) A / AC 230 V |
Thermal sensor | No |
Max. damper size | 3m 2 |
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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 |