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SRFA-(S) • Actuators with spring reset 20Nm

Actuators for 2 or 3 way ball valves with spring return of the Belimo brand. Easy and direct mounting on the ball valve. This is a multi-volt execution with an electrical supply of 24-240V. Applicable up to DN40.

Type S2: The 2 auxiliary contacts 0-100% are included for adjustable signalization.

Brand

  • Belimo

Application

  • Actuator for ball valves of the R20 & R30 type of the Belimo brand.

Specifications

  • Torque 20 Nm
  • Nominal Voltage SRFA-(S2) AC 24...240 V / DC 24...125 V
  • Control: open-close with spring return
  • Auxiliary switches: 2 x EPU, 1 mA … 3 (0.5) A, AC 250 V (1x fixed at 10%, 1x 10-90% adjustable)

Artikelen

Artikelselectie-assistent
Type
Diameter [mm]
Type
Spanning [V]
Artikelnummer Type Diameter [mm] Type Spanning [V] E-shop
I050201110440 HF D 110-17D 400V 1400t/min 110 17D 3 x 400
I050201160440 HF D 160-17D 400V 1400t/min 160 17D 3 x 400
I050201200440 HF D 200-17D 400V 1400t/min 200 17D 3 x 400
I050201250440 HF D 250-15D 400V 1400t/min 250 15D 3 x 400
I050201315440 HF D 315-15D 400V 1400t/min 315 15D 3 x 400

Technical data

  • Power consumption:
  1. In operation: 7 W @ nominal torque SRFA-(S2)
  2. At rest: 3.5 W SRFA-(S2)
  3. For wire sizing: 18 VA SRFA-(S2)
  • Direction of rotation: reversible by mounting
  • Angle of rotation: max. 90°
  • Running time motor: <75 s/90°
  • Running time spring return: <60 s/90°
  • Sound power level: max. 45 dB (A)
  • Degree of protection: IP54 in any mounting position

Electrical diagram

1: black

2: red

S1: violet

S2: red

S3: white

S4: orange

S5: pink

S6: grey

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