Belimo SR24A-SR Continuous Rotary Actuator for Ball Valves, 20 Nm, AC/DC 24 V, 2–10 V K18/503
- A few left in stock!
Technical data – Belimo SR24A-SR
- General
- Continuous rotary actuator for ball valves with analog control and feedback – specially developed for HVAC control systems.
Electrical data
- Nominal voltage: AC/DC 24 V
- Frequency range: 50/60 Hz
- Operating range: AC 19.2…28.8 V / DC 19.2…28.8 V
- Power consumption (operation): 2.5 W
- Power consumption (idle): 0.4 W
- Power consumption (sizing): 5 VA
- Connection: Cable 1 m, 4×0.75 mm²
- Parallel operation: possible (observe power data)
Control/Function data
- Motor torque: 20 Nm
- Control: continuous 2…10 V
- Input impedance control: 100 kΩ
- Position feedback: 2…10 V (max. 1 mA)
- Position accuracy: ±5 %
- Manual override: via push button, lockable
- Motor running time: 90 s / 90°
- Sound power level motor: 45 dB(A)
- Position indicator: mechanical, attachable
Safety and EMC data
- Protection class: IEC/EN III, Safety extra-low voltage (SELV)
- UL power source: Class 2 Supply
- Degree of protection: IP54 (IEC/EN) / NEMA 2 (UL)
- Enclosure: UL Enclosure Type 2
- EMC: CE according to 2014/30/EU
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Certifications:
- IEC/EN 60730-1
- IEC/EN 60730-2-14
- cULus UL60730-1A, UL60730-2-14, CAN/CSA E60730-1
- UL marking depends on production location – device is UL compliant in any case
Environmental and operating conditions
- Operating temperature: –30…50 °C
- Storage temperature: –40…80 °C
- Pollution degree: 3
- Rated impulse voltage (supply/control): 0.8 kV
- Ambient humidity: max. 95 % RH, non-condensing
Mechanical / Weight
- Maintenance: maintenance-free
- Weight: approx. 0.91 kg
- Condition: used - top condition
- Our item number: K18/503
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Further information
- Manufacturer: Belimo
- Installation length:
- Condition: used
- Pipe connection:
Secure shopping
All electrical equipment has undergone a VDE safety inspection.
Delivery & Shipping
- Austria: 1-2 working days
- Germany: 2–3 working days
- Europe-wide: 3–5 working days
Note:
For freight forwarding goods from 40 kg, the delivery time is 3–5 working days.










