Belimo SRF24A-SR - rotary actuator for ball valves

Belimo SRF24A-SR

Rotary actuator for ball valves. In the event of a power failure, the spring moves the valve to the NC fail-safe position (valve closed).

Key features and technical data

• Motor and fail-safe function torque: 20 Nm.
• Rated voltage: AC/DC 24 V; frequency: 50/60 Hz.
• Modulating control: 2...10 V; position feedback signal: 2...10 V.
• Motor running time: 90 s / 90°; fail-safe function running time: <20 s @ -20...50°C, <60 s @ -30°C.
• Power consumption during operation: 5.5 W; at rest: 3 W; sizing power: 8.5 VA.
• Power and control connection: 1 m cable, 4x 0.75 mm².
• Mechanical position indicator and adjustable rotation angle with mechanical stops.
• Manual adjustment using a crank and locking switch.
• Protection rating: IP54; ambient temperature: -30...50°C.