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Spring return damper actuators
Spring return damper actuators
Spring return damper actuators
NAFA series Spring Return actuators are developed for general air damper application, rotary valves and other devices which require a fail-safe function. During normal operation, the actuator motorizes the damper. When the power supply is off, the actuator springs back to its original position.
Features
- Torque 3 – 20 Nm
- Power supply 230 VAC or 24 VAC / VDC
- Running time 25 – 75 sec
- Auxiliary switches optional, 1 or 2 adjustable SPDT auxiliary switches
| Product | 24 VAC / VDC | 230 VAC | 0(2) – 10 V / 0(4) – 20 mA | On –off / 3 – point | Auxiliary switch |
|---|---|---|---|---|---|
| 3 Nm till 0,5 m² max | |||||
| NAFA 1-03 | ✓ | ✓ | |||
| NAFA 1-03S | ✓ | ✓ | 1 switch | ||
| NAFA 2-03 | ✓ | ✓ | |||
| NAFA 2-03S | ✓ | ✓ | 1 switch | ||
| NESM 24.2-03 | ✓ | ✓ | |||
| NESM 24.2-03S | ✓ | ✓ | 1 switch | ||
| 5 Nm till 1 m² max | |||||
| NAFA 1-05 | ✓ | ✓ | |||
| NAFA 1-05S | ✓ | ✓ | 1 switch | ||
| NAFA 2-05 | ✓ | ✓ | |||
| NAFA 2-05S | ✓ | ✓ | 1 switch | ||
| NESM 24.2-05 | ✓ | ✓ | |||
| NESM 24.2-05S | ✓ | ✓ | 1 switch | ||
| 8 Nm till 1,5 m² max | |||||
| NAFA 1-08 | ✓ | ✓ | |||
| NAFA 1-08S | ✓ | ✓ | 2 switches | ||
| NAFA 2-08 | ✓ | ✓ | |||
| NAFA 2-08S | ✓ | ✓ | 2 switches | ||
| NESM 24.1-08 | ✓ | ✓ | |||
| NAFA 1-08 | ✓ | ✓ | |||
| 20 Nm till 4 m² max | |||||
| NAFA 1-20 | ✓ | ✓ | |||
| NAFA 1-20S | ✓ | ✓ | 2 switches | ||
| NAFA 2-20 | ✓ | ✓ | |||
| NAFA 2-20S | ✓ | ✓ | 2 switches | ||
| NESM 24.2-20 | ✓ | ✓ | |||
| NESM 24.2-20S | ✓ | ✓ | 2 switches |