Belimo NRF24A-SR-S2-O - rotary actuator for ball valves

Name: Belimo NRF24A-SR-S2-O - rotary actuator for ball valves
Brand: Belimo
SKU: NRF24A-SR-S2-O
Price: 1354.05 PLN
Availability: BackOrder

Belimo

zł1,354.05

VAT included

zł1,100.85 tax excluded

Modulating rotary actuator for ball valves with a safety function provided by a return spring. Torque 10 Nm, AC/DC 24 V supply, 2...10 V control and motor running time 90 s / 90°. If the power supply fails, it sets the valve to the open position (NO).

Equipped with a 2...10 V position feedback signal and two integrated auxiliary switches, 2x SPDT. Degree of protection IP54.

Delivery in approx. 14 days

Belimo NRF24A-SR-S2-O

Modulating rotary actuator with a safety function for ball valves. The analogue Y signal controls the valve position and simultaneously tensions the return spring. If the power supply is interrupted, the spring moves the valve to the safety position: open (NO, A–AB = 100%).

Key features and specifications

Motor and safety function torque: 10 Nm.
Supply: AC/DC 24 V, 50/60 Hz; voltage range: AC 19.2...28.8 V / DC 21.6...28.8 V.
Y control range: 2...10 V; U position feedback signal: 2...10 V.
Motor running time: 90 s / 90°; running time to safety position: <20 s @ -20...50°C, <60 s @ -30°C.
Two integrated auxiliary switches: 2x SPDT, 1x 10% / 1x 11...100%.
Power consumption: 3.5 W during operation, 2.5 W at rest; for cable sizing: 6 VA.
Power and control connection: 1 m cable, 4x 0.75 mm²; auxiliary switch connection: 1 m cable, 6x 0.75 mm².
Manual adjustment using a crank and locking switch; mechanically adjustable rotation angle and mechanical position indicator.
Degree of protection: IP54; ambient temperature range: -30...50°C.

Direct mounting on the ball valve using one screw; the mounting position relative to the valve can be selected in 90° increments.