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SM A-(S) • Actuators 20Nm

Servomotor for air volume control dampers of up to 4 m² depending on the type of air valve and the pressure on the valves. Simple direct mounting on the damper axe with a universal spindle clamp, supplied with an anti-rotation strap to prevent the actuator from rotating. Type S : With integrated 0-100% auxiliary switch for adjustable signalization.

Brand

  • Belimo

Application

  • Dampers

Specifications

  • Torque 20 Nm
  • Nominal Voltage SM 230A-(S) 230 V AC
  • Nominal Voltage SM 24A-(S) 24 V AC/DC
  • Control : open-close or 3-point
  • Auxiliary switch: 1 x SPDT, 1 mA … 3 (0,5) A, AC 250 V (0-100% adjustable)

Accessoires

  • Auxiliary switchs, type S1A (1) or S2A (2)
  • Shaft extension, type AV8-25

Artikelen

Article selection assistant
Diameter D [mm]
Article number Type [mm] Diameter D [mm] E-shop
C010103080000 MDV 80 80
C010103100000 MDV 100 100
C010103125000 MDV 125 125
C010103150000 MDV 150 150
C010103160000 MDV 160 160
C010103180000 MDV 180 180
C010103200000 MDV 200 200
C010103250000 MDV 250 250
C010103280000 MDV 280 280
C010103300000 MDV 300 300
C010103315000 MDV 315 315
C010103355000 MDV 355 355
C010103400000 MDV 400 400
C010103450000 MDV 450 450
C010103500000 MDV 500 500
C010103560000 MDV 560 560
C010103630000 MDV 630 630
C010103710000 MDV 710 710
C010103800000 MDV 800 800
C010103900000 MDV 900 900
C010103A00000 MDV 1000 1000
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Technical data

  • Power consumption:
  1. In operation: 2,5W @ nominal torque SM 230A-(S) / 2W @ nominal torque SM 24A-(S)
  2. At rest: 0.6W SM 230A-(S) / 0.2W SM 24A-(S)
  3. For wire sizing: 6 VA SM 230A-(S) / 4 VA SM 24A-(S)
  • Direction of rotation: reversible with switch 0 or 1
  • Manual override: gearing latch disengaged with pushbutton, self-resetting
  • Angle of rotation: max. 95° , limited on both sides by means of adjustable, mechanical end stops. The actuator is overload proof; requires no limit switches and automatically stops when the end stop is reached
  • Running time: 150 s
  • Sound power level: max. 45 dB (A)

  • Position indication: mechanical, pluggable

  • Protection: IP54 in any mounting position

Electrical diagram

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  • The servomotor shall be of the open-close type with a torque of 20 Nm for direct mounting on the damper axe. With integrated 0-100% auxiliary switch (Type S). With reversible direction of rotation, angle max 95° with mechanical end stops. Protection class II totally insulated, IP 54 in any mounting position EMC: CE according to 89/336/EEC.
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