Belimo SRF24A-S2-O - rotary actuator for ball valves

Belimo SRF24A-S2-O - rotary actuator for ball valves

Belimo
zł1,523.79
VAT included
zł1,238.85 tax excluded

Rotary actuator for ball valves with fail-safe function: when the power supply fails, the spring moves the valve to the open position (NO). Torque 20 Nm, AC/DC 24 V supply and Close/Open control.

Motor running time is 75 s / 90°. The actuator has two integrated auxiliary switches, 2x SPDT, and IP54 protection rating.

Delivery in approx. 14 days
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Belimo SRF24A-S2-O rotary actuator

Designed for ball valves. During operation, the actuator moves the valve and tensions the return spring. If the power supply is interrupted, the spring moves the valve to the fail-safe position: open (NO).

Key features and specifications

  • Motor and fail-safe function torque: 20 Nm.
  • Rated voltage: AC/DC 24 V; frequency: 50/60 Hz.
  • Control: Close/Open; motor running time: 75 s / 90°.
  • Fail-safe function operating time: <20 s @ -20...50°C, <60 s @ -30°C.
  • Auxiliary switches: 2x SPDT, 1x 10% / 1x 11...100%.
  • Power consumption: 5.5 W while running, 1.5 W at rest; sizing value for cables: 7.5 VA.
  • Mechanical position indicator and adjustable rotation angle with mechanical stops.
  • Manual override using a crank and locking switch.
  • Power and control connection: 1 m cable, 2x 0.75 mm²; auxiliary switch connection: 1 m cable, 6x 0.75 mm².
  • Protection rating: IP54; ambient temperature: -30...50°C.

  • Brand
    Belimo
  • Reference
    SRF24A-S2-O
  • EAN13
    7630498115134

  • AC/DC voltage
    AC/DC 24 V
  • Auxiliary switch connection
    Cable 1 m, 6x 0.75 mm²
  • Power consumption (running)
    5.5 W
  • Power consumption (holding)
    1.5 W
  • Rated power
    7.5 VA
  • Power supply control connection
    Cable 1 m, 2x 0.75 mm²
  • Control type
    Close/Open
  • Protection rating
    IP54
  • NEMA protection rating
    NEMA 2
  • Enclosure type
    UL Enclosure Type 2
  • Auxiliary contacts
    2x SPDT

Techniczna karta katalogowa

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Instrukcja montażu

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Techniczna karta katalogowa – SRF24A-S2-O

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EU Declaration of Conformity – SRF24A-S2-O

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Environmental Declaration – SRF..

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