Belimo SRF24A-S2-5-O - fail-safe rotary actuator for valves

Name: Belimo SRF24A-S2-5-O - fail-safe rotary actuator for valves
Brand: Belimo
SKU: SRF24A-S2-5-O
Price: 2188.15 PLN
Availability: BackOrder

Belimo

zł2,188.15

VAT included

zł1,778.98 tax excluded

Rotary actuator for ball valves and butterfly valves, with a fail-safe function provided by a return spring. Torque 20 Nm, AC/DC 24 V supply, Close/Open control. In the event of a power failure, it sets the valve to the open position (NO).

Motor running time is 75 s / 90°. The actuator has 2x SPDT integrated auxiliary switches, IP54 protection rating and an F05 mounting flange.

Delivery in approx. 14 days

Belimo SRF24A-S2-5-O rotary actuator

Actuator for ball valves and butterfly valves. During operation, it moves the valve to its operating position and tensions the return spring. If the power supply is interrupted, the spring moves the valve to the fail-safe position: valve open (NO; A–AB = 100%).

Key features and specifications

Motor and fail-safe function torque: 20 Nm.
Nominal voltage: AC/DC 24 V; frequency: 50/60 Hz.
Control: Close/Open.
Motor running time: 75 s / 90°; fail-safe 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: 5.5 W; at rest: 1.5 W; for cable sizing: 7.5 VA.
Power and control connection: 1 m cable, 2x 0.75 mm²; auxiliary switch connection: 1 m cable, 6x 0.75 mm².
Manual operation by crank and locking switch; mechanical angle-of-rotation adjustment and mechanical position indicator.
Mounting flange: F05; protection rating: IP54.

The device is intended for stationary heating, ventilation and air-conditioning installations. The two integrated auxiliary switches must be supplied either with mains voltage or with safety extra-low voltage — combining the two voltage types is not permitted.