Servomotors with spring return for air volume safety dampers of up to 2 m². Simple direct mounting on the damper axe with a universal spindle clamp, supplied with an anti-rotation strap to prevent the actuator from rotating.

Type S : With integrated 0-100% auxiliary switch for flexible signalization.

• Belimo

• Safety dampers

• Torque 10 Nm
• Nominal Voltage  NF 230-(S) 230 V AC
• Nominal Voltage NF 24-(S) 24 V AC/DC 
• Control : open-close with spring return
• Auxiliary switch: 1 x SPDT, 1 mA … 6 (1,5) A, AC 250 V (0-100% adjustable)

• K6-1,  Clips for axle diameter 16 - 20 mm

• Power consumption:

1. In operation: 6 W @ nominal torque N 230-(S) / 5 W @ nominal torque N 24-(S)
2. At rest: 2.5 W NF230-(S) / 2.6 W NF 24-(S)
3. For wire sizing: 9.5 VA NF 230-(S) / 8 VA NF 24-(S)

• Direction of rotation: reversible by mounting
• Angle of rotation: max. 95° , limited on both sides by means of adjustable, mechanical end stops. The actuator is overload proof; requires no limit switches and automatically stops when the end stop is reached
• Running time motor : ≤75 s
• Running time spring return : ≤20 s
• Sound power level: max. 62 dB (A)

• Degree of protection: IP54 in any mounting position

• The servomotor shall be of the open-close type with spring return and with a torque of 4 Nm for direct mounting on the damper axe. With integrated 0-100% auxiliary switch (Type S). Angle max 95° with mechanical end stops. Protection class II totally insulated, IP 54 in any mounting position EMC: CE according to 89/336/EEC
• ATC type NF-(S)