Belimo VSRK24A-LP1 - rotary actuator for ball valves

Belimo VSRK24A-LP1 – actuator for ball valves

Communicative rotary actuator with fail-safe function. In the event of a power failure, after the set hold time has elapsed, the actuator moves to the selected fail-safe position.

Key features and specifications

• Motor torque: 20 Nm; rated voltage: AC/DC 24 V, 50/60 Hz.
• Modulating, communicative, hybrid and Cloud control; communication: BACnet/IP, Modbus TCP and Cloud.
• Ethernet 10/100 Mbit/s, TCP/IP, integrated web server and RJ45 socket.
• Y control range: 2...10 V; adjustable Y range: 0.5...10 V.
• Motor running time: 90 s / 90°; adjustable time: 90...150 s. Running time to the fail-safe position: 35 s / 90°.
• Fail-safe position: NC/NO or adjustment 0...100% using the POP knob. Power-fail hold time (PF): 2 s, adjustable 0...10 s.
• Power consumption during operation: 13 W; at rest: 3 W; wire sizing power: 21 VA.
• Power and control connection: 1 m cable, 6x 0.5 mm², FRNC.
• Connection for two sensors and conversion of their signals for the higher-level system.
• Manual adjustment by push-button, mechanical rotary angle limiters and position indicator.
• Degree of protection IEC/EN IP40; protection class IEC/EN III, Safety Extra-Low Voltage (SELV).

The device is intended for stationary heating, ventilation and air conditioning installations. Direct mounting on the ball valve is carried out using one central screw.