Belimo EF24A-SR-S2 - rotary actuator for dampers with safety function

Belimo EF24A-SR-S2 - rotary actuator for dampers with safety function

Belimo
zł2,836.47
VAT included
zł2,306.07 tax excluded

Modulating rotary actuator for dampers in building services systems. Torque 30 Nm, AC/DC 24 V supply, DC 2...10 V control and motor running time 150 s / 90°.

The return spring moves the damper to the safety position when the power supply is interrupted. The actuator has 2 integrated SPDT auxiliary switches and an IP54 protection rating.

Delivery in approx. 14 days
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Belimo EF24A-SR-S2

Modulating rotary actuator with safety function, designed to move dampers in building services systems. During operation, the control signal positions the damper and tensions the return spring; when the power supply is interrupted, the spring moves it to the safety position.

Key features and parameters

  • Motor and safety function torque: 30 Nm.
  • Nominal voltage: AC/DC 24 V; frequency: 50/60 Hz.
  • Modulating control: DC 2...10 V; position feedback signal: 2...10 V.
  • Motor running time: 150 s / 90°; safety function running time: <20 s @ -20...50°C, <60 s @ -30°C.
  • 2 integrated SPDT auxiliary switches: 1x 10% / 1x 11...100%.
  • Power consumption during movement: 7 W; in the idle position: 4.5 W; sizing power: 12 VA.
  • Maximum rotation angle: 95°; mechanical stop adjustment from 33% in increments of 5%.
  • Mechanical connection: universal clamp 12...26.7 mm; mechanical position indicator.
  • Manual positioning using the crank and locking switch.
  • Protection rating: IP54; ambient temperature: -30...50°C [-22...122°F].

Power and control connection: 1 m cable, 4x 0.75 mm², FRNC (halogen-free). Auxiliary switch connection: 1 m cable, 6x 0.75 mm², FRNC (halogen-free).

  • Brand
    Belimo
  • Reference
    EF24A-SR-S2
  • EAN13
    7630498111068

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 6x 0.75 mm², FRNC (halogen-free)
  • Power consumption (running)
    7 W
  • Power consumption (holding)
    4.5 W
  • Rated power
    12 VA
  • Power supply control connection
    1 m cable, 4x 0.75 mm², FRNC (halogen-free)
  • Control type
    DC 2...10 V
  • Protection rating
    IP54
  • 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
    30 Nm
  • Direction of movement - motor
    Selectable using the L/R switch
  • Rotational angle
    95°
  • Mechanical connection
    Universal clamp 12...26.7 mm
  • Direction of rotation (safety function)
    Selectable by mounting L/R

Techniczna karta katalogowa

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Instrukcja montażu

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Techniczna karta katalogowa – EF24A-SR-S2

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EU Declaration of Conformity – EF24A-SR-S2

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Environmental Declaration – EF..

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