Description
The Belimo NR24A Rotary Actuator is a reliable and efficient solution for controlling ball valves in HVAC systems. It features simple direct mounting and manual override capabilities for ease of use and high functionality. With its robust construction and precise control, the NR24A is ideal for various industrial and commercial applications.
Electrical Data
- Nominal Voltage: AC/DC 24 V
- Nominal Voltage Frequency: 50/60 Hz
- Nominal Voltage Range: AC 19.2...28.8 V / DC 19.2...28.8 V
- Power Consumption in Operation: 2 W
- Power Consumption in Rest Position: 0.2 W
- Power Consumption for Wire Sizing: 4 VA
- Connection Supply / Control: Cable 1 m, 3x 0.75 mm²
- Parallel Operation: Yes (note the performance data)
Functional Data
- Torque Motor: 10 Nm
- Manual Override: With push-button, can be locked
- Running Time Motor: 90 s / 90°
- Sound Power Level, Motor: 35 dB(A)
- Position Indication: Mechanical, pluggable
Safety Data
- Protection Class IEC/EN: III, Safety Extra-Low Voltage (SELV)
- Power Source UL: Class 2 Supply
- Degree of Protection IEC/EN: IP54
- Degree of Protection NEMA/UL: NEMA 2
- Enclosure UL: Enclosure Type 2
- EMC: CE according to 2014/30/EU
- Certification IEC/EN: IEC/EN 60730-1 and IEC/EN 60730-2-14
- UL Approval: cULus according to UL60730-1A, UL60730-2-14 and CAN/CSA E60730-1
- Type of Action: Type 1
- Rated Impulse Voltage Supply / Control: 0.8 kV
- Pollution Degree: 3
- Ambient Humidity Max.: 95% RH, non-condensing
- Ambient Temperature: -30...50°C [-22...122°F]
- Storage Temperature: -40...80°C [-40...176°F]
- Servicing: Maintenance-free
- Weight: 0.72 kg
- Simple Direct Mounting: Straightforward, direct mounting on the ball valve with only one central screw. The assembly tool is integrated in the plug-in position indication.
- Manual Override: Manual override with push-button possible; the gear train is disengaged while the button is pressed or remains locked.
- Adjustable Angle of Rotation: Adjustable angle of rotation with mechanical end stops.
- High Functional Reliability: The actuator is overload protected, requires no limit switches, and automatically stops when the end stop is reached.
Accessories
- Auxiliary Switches:
- 1x SPDT add-on (S1A)
- 2x SPDT add-on (S2A)
- Feedback Potentiometers:
- 140 Ω add-on (P140A)
- 1 kΩ add-on (P1000A)
- 10 kΩ add-on (P10000A)
Why You Should Buy
The Belimo NR24A Rotary Actuator is designed for optimal performance and durability, making it a valuable component for any HVAC system. Its ease of installation, reliable operation, and comprehensive safety features ensure that it meets the high standards required for industrial and commercial environments.
For more information and to explore our range of Belimo products, visit our website at https://ecospares.co.uk/collections/belimo. If you need any assistance, please get in touch with us on 01772 284 626
