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

Name: Belimo NRF24A-SR-O - rotary actuator for ball valves
Brand: Belimo
SKU: NRF24A-SR-O
Price: 1236.25 PLN
Availability: BackOrder

Belimo

zł1,236.25

VAT included

zł1,005.08 tax excluded

Modulating rotary actuator for ball valves, with fail-safe function and open unpowered position (NO). Torque 10 Nm, AC/DC 24 V supply, 2...10 V control signal and 2...10 V position feedback signal.

Motor running time is 90 s / 90°, and the protection rating is IP54.

Delivery in approx. 14 days

Belimo NRF24A-SR-O rotary actuator

Actuator with modulating control for ball valves. During operation, it positions the valve according to signal Y and tensions the return spring. If the power supply is interrupted, the spring moves the valve to the NO safety position.

Key features and specifications

Motor and fail-safe function torque: 10 Nm.
Nominal voltage: AC/DC 24 V; frequency: 50/60 Hz.
Y operating range: 2...10 V; position feedback signal U: 2...10 V.
Motor running time: 90 s / 90°; fail-safe running time: <20 s @ -20...50°C, <60 s @ -30°C.
Unpowered position: NO, valve open (A – AB = 100%); for valves with an L-port: A – AB = 0%.
Power consumption during operation: 3.5 W; at rest: 2.5 W; for cable sizing: 6 VA.
Power and control connection: 1 m cable, 4x 0.75 mm².
Manual operation by crank with locking switch; mechanical rotation angle limit stops and mechanical position indicator.
IEC/EN protection rating: IP54; ambient temperature: -30...50°C.