Belimo - Rotary actuator, 20 Nm, AC/DC 24 V, Open/close, 3-point, 150 s, IP54  - SM24A Series
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Description: Damper actuator for adjusting dampers in technical building installations

  • Air damper size: Up to approx. 2 m²
  • Torque motor: 10 Nm
  • Nominal voltage: AC/DC 24 V
  • Control: Open/close, 3-point

Technical Data:

Electrical Data:

  • Nominal voltage: AC/DC 24 V
  • Nominal voltage frequency: 50/60 Hz
  • Nominal voltage range: AC 19.2...28.8 V / DC 19.2...28.8 V
  • Power consumption in operation: 1.5 W
  • Power consumption in rest position: 0.2 W
  • Power consumption for wire sizing: 3.5 VA
  • Connection supply / control: Cable 1 m, 3x 0.75 mm²
  • Parallel operation: Yes (note the performance data)

Functional Data:

  • Torque motor: 10 Nm
  • Direction of motion motor: Selectable with switch 0 (ccw rotation) / 1 (cw rotation)
  • Manual override: With push-button, can be locked
  • Angle of rotation: Max. 95°
  • Angle of rotation note: Can be limited on both sides with adjustable mechanical end stops
  • Running time motor: 150 s / 90°
  • Sound power level, motor: 35 dB(A)

Mechanical Data:

  • Mechanical interface: Universal shaft clamp 8...26.7 mm
  • Position indication: Mechanical, pluggable

Safety Data:

  • Protection class: IEC/EN III, Safety Extra-Low Voltage (SELV)
  • Power source: UL Class 2 Supply
  • Degree of protection IEC/EN: IP54
  • Degree of protection NEMA/UL: NEMA 2
  • Enclosure UL: Enclosure Type 2

Compliance:

  • EMC: CE according to 2014/30/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
  • The UL marking on the actuator depends on the production site, the device is UL-compliant in any case.
  • Hygiene Test: According to VDI 6022 Part 1 / SWKI VA 104-01, cleanable and disinfectable, low emission
  • Type of action: Type 1
  • Rated impulse voltage supply / control: 0.8 kV
  • Pollution degree: 3

Part Numbers:
SM24A - Rotary actuator, 20 Nm, AC/DC 24 V, Open/close, 3-point, 150 s, IP54
SM24A-S - Rotary actuator, 20 Nm, AC/DC 24 V, Open/close, 3-point, 150 s, IP54 w/Aux. Switch


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