Belimo SF24A-SZ-S2 - analogue rotary actuator with safety function

Belimo SF24A-SZ-S2 - analogue rotary actuator with safety function

Belimo
zł1,398.37
VAT included
zł1,136.89 tax excluded

Analogue rotary actuator for positioning dampers and valves in building systems. Torque 20 Nm, AC/DC 24 V supply, Y operating range 0.5...10 V and U feedback signal 0.5...10 V.

The return spring moves the damper to its safety position after a power failure. The actuator has 2x SPDT and an enclosure with IP54 protection rating.

Delivery in approx. 14 days
Share

Belimo SF24A-SZ-S2

Analogue rotary actuator with safety function for positioning dampers and valves in building systems. According to the data sheet, it is designed for air dampers with an area of up to approx. 4 m². During operation, the actuator tensions the return spring; after a power failure, the spring moves the damper to its safety position.

Key features and specifications

  • Motor and safety function torque: 20 Nm.
  • Rated voltage: AC/DC 24 V; rated voltage frequency: 50/60 Hz.
  • Y operating range: 0.5...10 V; U feedback signal: 0.5...10 V.
  • Auxiliary switches: 2x SPDT, 1x 10% / 1x 11...100%.
  • Motor running time: 150 s / 90°; safety function running time: <20 s @ -20...50°C, <60 s @ -30°C.
  • Angle of rotation: max. 95°; adjustable from 33% in 2.5% increments using a mechanical stop.
  • Motor direction selected by L/R switch; safety function direction selected by L/P mounting.
  • Manual positioning using a crank and locking switch.
  • Mechanical connection: universal clamp 10...25.4 mm.
  • Power / control connection: 1 m cable, 4x 0.75 mm²; auxiliary switch connection: 1 m cable, 6x 0.75 mm².
  • Power consumption during operation: 4.5 W; at rest: 1.5 W; rated power: 6.5 VA.
  • IEC/EN enclosure protection rating: IP54; ambient temperature: -30...50°C [-22...122°F].

Power must be supplied via a safety transformer. The actuator is designed for stationary heating, ventilation and air-conditioning systems.

  • Brand
    Belimo
  • Reference
    SF24A-SZ-S2

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 6x 0.75 mm²
  • Power consumption (running)
    4.5 W
  • Power consumption (holding)
    1.5 W
  • Rated power
    6.5 VA
  • Power supply control connection
    Cable 1 m, 4x 0.75 mm²
  • Control type
    DC 0.5...10 V
  • Protection rating
    IP54
  • NEMA protection rating
    NEMA 2
  • Enclosure type
    UL Enclosure Type 2
  • Manual override
    Using the crank and locking switch
  • Running time (motor)
    150 s / 90°
  • Running time (safety function)
    ＜20 s
  • Ambient temperature
    -30...50°C [-22...122°F]
  • Auxiliary contacts
    2x SPDT
  • Torque
    20 Nm
  • Direction of movement - motor
    Selectable using the L/R switch
  • Rotational angle
    95°
  • Mechanical connection
    Universal clamp 10...25.4 mm
  • Direction of rotation (safety function)
    Selectable by mounting L/R

Techniczna karta katalogowa – SF24A-SZ-S2

Download (1.39MB)

EU Declaration of Conformity – SF24A-SZ-S2

Download (32.58KB)

Environmental Declaration – SF..

Download (72.41KB)

Technical data sheet – SF24A-SZ-S2

Download (1.38MB)
In business since 2005
Over 20 years of experience
A trusted partner
Reliable service and customer trust
Technical support
Help with selecting and operating equipment

You might also like

Comments (0)

No customer reviews for the moment.

4 other products in the same category

Back to top