Belimo SRF24A-SZ-S2-O - rotary actuator with safety function

Name: Belimo SRF24A-SZ-S2-O - rotary actuator with safety function
Brand: Belimo
SKU: SRF24A-SZ-S2-O
Price: 1738.47 PLN
Availability: BackOrder

Belimo

zł1,738.47

VAT included

zł1,413.39 tax excluded

Analog rotary actuator for ball valves and butterfly valves. Motor torque is 20 Nm, rated voltage is AC/DC 24 V, and the Y operating range is 0.5...10 V.

The return spring moves the valve to the safety position in the event of a power failure. The NO safety function means the valve is open when power is absent. The actuator has 2x SPDT and an enclosure with IP54 protection rating.

Delivery in approx. 14 days

Belimo SRF24A-SZ-S2-O

Analog rotary actuator with safety function for ball valves and butterfly valves. When moving the valve to its operating position, the actuator tensions the return spring. In the event of a power failure, the spring moves the valve to the safety position.

Key features and parameters

Motor and safety function torque: 20 Nm.
Rated voltage: AC/DC 24 V; operating voltage range: AC 19.2...28.8 V / DC 21.6...28.8 V.
Y operating range: 0.5...10 V; U feedback signal: 0.5...10 V.
Safety function: NO, valve open when power is absent (A–AB = 100%).
Motor running time: 90 s / 90°; safety function running time: <20 s @ -20...50°C, <60 s @ -30°C.
Auxiliary switches: 2x SPDT, 1x 10% / 1x 11...100%.
Power consumption during operation: 4.5 W; at rest: 1.5 W; rated power: 6.5 VA.
Power and control connection: Cable 1 m, 4x 0.75 mm²; auxiliary switch connection: Cable 1 m, 6x 0.75 mm².
IEC/EN enclosure protection rating: IP54; NEMA/UL protection rating: NEMA 2.
Manual override using a crank and locking switch; rotation angle adjustable with mechanical stops.

The device is intended for stationary heating, ventilation and air-conditioning systems. The power supply must be connected via a safety transformer.