Belimo NRF24A-SR - rotary actuator for ball valves

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

Belimo

zł1,236.25

VAT included

zł1,005.08 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 2...10 V position feedback signal. When the power supply fails, the valve returns to the closed position (NC).

Delivery in approx. 14 days

Belimo NRF24A-SR

Rotary actuator with a safety function for ball valves. During operation, the Y control signal positions the valve and tensions the return spring. When the power supply is interrupted, the spring moves the valve to the safety position: closed (NC).

Key features

Motor and safety function torque: 10 Nm.
Rated voltage: AC/DC 24 V; frequency: 50/60 Hz.
Operating range Y: 2...10 V; position feedback signal U: 2...10 V.
Motor running time: 90 s / 90°; safety function operating time: <20 s @ -20...50°C, <60 s @ -30°C.
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 using a crank and locking switch; adjustable rotation angle with mechanical stops and a mechanical position indicator.
IEC/EN protection rating: IP54; NEMA/UL protection rating: NEMA 2; enclosure: UL Enclosure Type 2.

The device is intended for stationary heating, ventilation and air-conditioning installations. It is mounted directly on the ball valve using one screw.