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Emergency Actuator Belimo NF 24 A-S2

Emergency Actuator Belimo NF 24 A-S2
Extended warranty 5 years

Emergency Actuator Belimo NF 24 A-S2

BELIMO
  • Product code: NF24A-S2
  • EAN : 4251161597007
  • Manufacturer code: NF24A-S2
  • Warranty: 5 years

Emergency Belimo actuator for air dampers up to 2 m², 10 Nm, AC/DC 24 V, with two auxiliary switches and spring return. More information

  • Delivery

    Delivery to Belgium (days are avarages)

    FedEx:
    2.7 workdays € 7,02
    Bpost HD (Home Delivery):
    4.4 workdays € 10,64
    BPost - PP (Pick-up Point):
    3.9 workdays € 9,91
    FedEx Priority:
    1.7 workdays € 12,71
    DHL Express:
    1.2 workdays € 16,94

    DHL Express: 1.2 workdays, € 16,94

  • More than 5 pcs in stock  
     
List price € 624,88
Price excluding VAT € 247,89
Price with VAT 21 % € 299,95
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Parameters and catalogs

IP Rating IP 54
Power Supply 24VAC
Setup time 75 s, 20 s (emergency function)
Temperature -30...50 °C
Torque 10 Nm
Weight 0.50 kg

Data sheet download

Download PDF

Installation guide download

Download PDF

The Belimo NF 24 A-S2 emergency actuator is designed for controlling air dampers with spring return in case of power failure. It reliably closes or opens dampers up to an area of approximately 2 m² with a torque of 10 Nm.

The actuator is powered by AC/DC 24 V and offers two auxiliary switches for position signalling. With its robust construction, IP54 protection rating, and operational reliability, it is ideal for HVAC systems and air handling control in commercial and industrial buildings.

Main Features

  • Torque of 10 Nm, for dampers up to 2 m²
  • Emergency spring return in case of power failure
  • Power supply AC/DC 24 V, On/Off control
  • 2 auxiliary switches (SPDT) – fixed 10%, adjustable 11...100%
  • IP54 protection rating, operating temperature –30...50 °C
  • Universal clamp for shafts Ø 10–25.4 mm

Technical Specifications

Power Supply AC/DC 24 V (±20%), 50/60 Hz
Control open–close (On/Off)
Torque 10 Nm (motor / spring)
Working Angle max. 95°, adjustable stops
Running Time motor 75 s / 90°, emergency <20 s (–20...50 °C)
Ambient Temperature –30...50 °C (non-condensing humidity ≤95% r.h.)
Protection IP54 (IEC/EN), NEMA 2
Auxiliary Switches 2× SPDT (1× 10%, 1× 11...100%)
Shaft Connection clamp Ø 10–25.4 mm, mechanical position indicator
Certification CE, IEC/EN 60730-1 / -2-14, cULus

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