Belimo NFA rotary actuator fail-safe

Description

The Belimo NFA Rotary Actuator is designed for fail-safe adjustment of dampers in technical building installations. This high-performance actuator is ideal for air dampers up to approximately 2 m². It operates with both AC and DC voltage and is renowned for its reliability and efficiency in various environmental conditions.

 

 Electrical Data

  • Nominal Voltage: AC 24...240 V / DC 24...125 V
  • Nominal Voltage Frequency: 50/60 Hz
  • Nominal Voltage Range: AC 19.2...264 V / DC 21.6...137.5 V
  • Power Consumption in Operation: 6 W
  • Power Consumption in Rest Position: 2.5 W
  • Power Consumption for Wire Sizing: 9.5 VA
  • Connection Supply / Control: Cable 1 m, 2x 0.75 mm²
  • Parallel Operation: Yes (note performance data)

 

 Functional Data

  • Torque Motor: 10 Nm
  • Torque Fail-Safe: 10 Nm
  • Direction of Motion Motor: Selectable by mounting L/R
  • Direction of Motion Fail-Safe: Selectable by mounting L/R
  • Manual Override: By means of hand crank and locking switch
  • Angle of Rotation: Max. 95°, adjustable starting at 33% in 2.5% steps (with mechanical end stop)
  • Running Time Motor: 75 s / 90°
  • Running Time Fail-Safe: <20 s @ -20...50°C / <60 s @ -30°C
  • Sound Power Level: 45 dB(A)
  • Mechanical Interface: Universal shaft clamp 10...25.4 mm
  • Position Indication: Mechanical
  • Service Life: Min. 60,000 fail-safe positions

 

 Safety Data

  • Protection Class IEC/EN: II, reinforced insulation
  • Protection Class UL: II, reinforced insulation
  • Degree of Protection IEC/EN: IP54
  • Degree of Protection NEMA/UL: NEMA 2
  • Enclosure UL: Type 2
  • EMC: CE according to 2014/30/EU
  • Low Voltage Directive: CE according to 2014/35/EU
  • Certification IEC/EN: IEC/EN 60730-1 and IEC/EN 60730-2-14
  • UL Approval: cULus according to UL60730-1A, UL60730-2-14 and CAN/CSA E60730-1
  • Hygiene Test: According to VDI 6022 Part 1 / SWKI VA 104-01, cleanable and disinfectable, low-emission
  • Type of Action: Type 1.AA
  • Rated Impulse Voltage Supply / Control: 4 kV
  • Pollution Degree: 3
  • Ambient Humidity Max.: 95% RH, non-condensing
  • Ambient Temperature: -30...50°C [-22...122°F]
  • Storage Temperature: -40...80°C [-40...176°F]
  • Servicing: Maintenance-free
  • Weight: 2.0 kg

 

Electrical Accessories:

  •   Auxiliary switch 2x SPDT (Type: S2A-F)
  •   Feedback potentiometer 1 kΩ (Type: P1000A-F)

Mechanical Accessories:

  •   Shaft extension 240 mm ø20 mm for damper shaft ø8...22.7 mm (Type: AV8-25)
  •   End stop indicator (Type: IND-AFB)
  •   Shaft clamp reversible, for central mounting, for damper shafts ø12.7 / 19.0 / 25.4 mm (Type: K7-2)
  •   Ball joint suitable for damper crank arm (Type: KH8 / KH10, KG10A, KG8)
  •   Damper crank arm, Slot width 8.2 mm, clamping range ø10...18 mm (Type: KH8)
  •   Actuator arm, for 3/4" shafts, clamping range ø10...22 mm, Slot width 8.2 mm (Type: KH-AFB)
  •   Form fit inserts (Types: ZF10-NSA-F, ZF12-NSA-F, ZF15-NSA-F, ZF16-NSA-F)
  •   Mounting kit for linkage operation for flat and side installation (Type: ZG-AFB)
  •   Baseplate extension (Type: Z-SF)
  •   Anti-rotation mechanism 230 mm, Multipack 20 pcs. (Type: Z-ARS230L)
  •   Hand crank 63 mm (Type: ZKN2-B)

 

For more information and to explore our range of Belimo products, visit our website at https://ecospares.co.uk/collections/belimo. If you need any assistance, please contact us.

Product form

The Belimo NFA Rotary Actuator is designed for fail-safe adjustment of dampers in technical building installations. This high-performance actuator is... Read more

SKU: NFA

£305.00£213.50 Excl. VAT

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      Description

      The Belimo NFA Rotary Actuator is designed for fail-safe adjustment of dampers in technical building installations. This high-performance actuator is ideal for air dampers up to approximately 2 m². It operates with both AC and DC voltage and is renowned for its reliability and efficiency in various environmental conditions.

       

       Electrical Data

      • Nominal Voltage: AC 24...240 V / DC 24...125 V
      • Nominal Voltage Frequency: 50/60 Hz
      • Nominal Voltage Range: AC 19.2...264 V / DC 21.6...137.5 V
      • Power Consumption in Operation: 6 W
      • Power Consumption in Rest Position: 2.5 W
      • Power Consumption for Wire Sizing: 9.5 VA
      • Connection Supply / Control: Cable 1 m, 2x 0.75 mm²
      • Parallel Operation: Yes (note performance data)

       

       Functional Data

      • Torque Motor: 10 Nm
      • Torque Fail-Safe: 10 Nm
      • Direction of Motion Motor: Selectable by mounting L/R
      • Direction of Motion Fail-Safe: Selectable by mounting L/R
      • Manual Override: By means of hand crank and locking switch
      • Angle of Rotation: Max. 95°, adjustable starting at 33% in 2.5% steps (with mechanical end stop)
      • Running Time Motor: 75 s / 90°
      • Running Time Fail-Safe: <20 s @ -20...50°C / <60 s @ -30°C
      • Sound Power Level: 45 dB(A)
      • Mechanical Interface: Universal shaft clamp 10...25.4 mm
      • Position Indication: Mechanical
      • Service Life: Min. 60,000 fail-safe positions

       

       Safety Data

      • Protection Class IEC/EN: II, reinforced insulation
      • Protection Class UL: II, reinforced insulation
      • Degree of Protection IEC/EN: IP54
      • Degree of Protection NEMA/UL: NEMA 2
      • Enclosure UL: Type 2
      • EMC: CE according to 2014/30/EU
      • Low Voltage Directive: CE according to 2014/35/EU
      • Certification IEC/EN: IEC/EN 60730-1 and IEC/EN 60730-2-14
      • UL Approval: cULus according to UL60730-1A, UL60730-2-14 and CAN/CSA E60730-1
      • Hygiene Test: According to VDI 6022 Part 1 / SWKI VA 104-01, cleanable and disinfectable, low-emission
      • Type of Action: Type 1.AA
      • Rated Impulse Voltage Supply / Control: 4 kV
      • Pollution Degree: 3
      • Ambient Humidity Max.: 95% RH, non-condensing
      • Ambient Temperature: -30...50°C [-22...122°F]
      • Storage Temperature: -40...80°C [-40...176°F]
      • Servicing: Maintenance-free
      • Weight: 2.0 kg

       

      Electrical Accessories:

      •   Auxiliary switch 2x SPDT (Type: S2A-F)
      •   Feedback potentiometer 1 kΩ (Type: P1000A-F)

      Mechanical Accessories:

      •   Shaft extension 240 mm ø20 mm for damper shaft ø8...22.7 mm (Type: AV8-25)
      •   End stop indicator (Type: IND-AFB)
      •   Shaft clamp reversible, for central mounting, for damper shafts ø12.7 / 19.0 / 25.4 mm (Type: K7-2)
      •   Ball joint suitable for damper crank arm (Type: KH8 / KH10, KG10A, KG8)
      •   Damper crank arm, Slot width 8.2 mm, clamping range ø10...18 mm (Type: KH8)
      •   Actuator arm, for 3/4" shafts, clamping range ø10...22 mm, Slot width 8.2 mm (Type: KH-AFB)
      •   Form fit inserts (Types: ZF10-NSA-F, ZF12-NSA-F, ZF15-NSA-F, ZF16-NSA-F)
      •   Mounting kit for linkage operation for flat and side installation (Type: ZG-AFB)
      •   Baseplate extension (Type: Z-SF)
      •   Anti-rotation mechanism 230 mm, Multipack 20 pcs. (Type: Z-ARS230L)
      •   Hand crank 63 mm (Type: ZKN2-B)

       

      For more information and to explore our range of Belimo products, visit our website at https://ecospares.co.uk/collections/belimo. If you need any assistance, please contact us.

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