Belimo SRF24A-SZ-S2-5 - rotary actuator with spring return

Name: Belimo SRF24A-SZ-S2-5 - rotary actuator with spring return
Brand: Belimo
SKU: SRF24A-SZ-S2-5
Price: 2522.53 PLN
Availability: BackOrder

Belimo

zł2,522.53

VAT included

zł2,050.84 tax excluded

Analogue rotary actuator for ball valves and butterfly valves, with safety function: if the power supply fails, the return spring sets the valve to the closed position. Torque 20 Nm, rated voltage AC/DC 24 V.

Operating range of the control signal and feedback signal: 0.5...10 V. The actuator has 2x SPDT, an F05 flange connection and an IP54-rated enclosure.

Delivery in approx. 14 days

Belimo SRF24A-SZ-S2-5 rotary actuator

Analogue actuator for ball valves and butterfly valves. While positioning the valve in its operating position, it tensions the return spring. If the power supply fails, the spring moves the valve to the safe position: closed (A–AB = 0%).

Key features and specifications

Motor and safety function torque: 20 Nm.
Rated voltage: AC/DC 24 V; operating range: AC 19.2...28.8 V / DC 21.6...28.8 V.
Operating range Y: 0.5...10 V; feedback signal U: 0.5...10 V.
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: 4.5 W during operation and 1.5 W at rest; rated power: 6.5 VA.
Power / control connection: Cable 1 m, 4x 0.75 mm²; auxiliary switch connection: Cable 1 m, 6x 0.75 mm².
Flange connection: F05; enclosure protection rating: IP54.
Manual adjustment using a crank and position locking with a switch; rotation angle adjustable with mechanical stops.

The device is intended for stationary heating, ventilation and air-conditioning systems. Ambient temperature: -30...50°C [-22...122°F].