SR24A-SR - Belimo Rotary actuator 20 Nm 24Vac | ideal for rotary valves and butterfly valves
£239.40
£199.50
Only 5 left
In stock
SKU
SR24A-SR
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Manuals & Datasheets
| DATA-SHEET |
 |
| Product type | Actuator |
| IP rating | IP54 |
| Input Signal | 0..10 Vdc |
| Manufacturer | Belimo |
| Power Supply | 24Vac/Vdc |
| Torque | 20 Nm |
| Running time | 90 to 105 sec |
| Actuator type | Rotary |
| Ideal for | butterfly valves, rotary valves |
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The Belimo SR24A-SR is a type of Actuator used in HVAC and ventilation systems.
This kind of Actuator rotates the damper in order to control it.
The force applied by the Torque of the SR24A-SR is 20 Nm.
This Rotary Actuator needs to be supported by a power supply of 24Vac/Vdc.
IACS has the best prices on the right Belimo Actuators for your system.
Consult the Belimo custom datasheet above or contact iacs via email for personalised assistance if you have queries about size or installation.
Features
- Simple direct mounting Straightforward direct mounting on the ball valve with ISO 5211- F05 mounting flange. The assembly tool is integrated in the plug-on position indicator. The mounting position in relation to the ball valve can be selected in 90° steps.
- High operational reliability The actuator is overload-proof, requires no limit switches and automatically stops when the end stop is reached.
- Adjustable angle of rotation Adjustable angle of rotation with mechanical end stops.
- High operational reliability The actuator is overload-proof, requires no limit switches and automatically stops when the end stop is reached.
- High functional reliability The actuator is overload-proof, requires no limit switches and automatically stops when the
end stop is reached. - Position feedback U5 Operation of the ball valve is optimised by a limiting ring. This ring reduces the angle of rotation from 95° to 90°, i.e. U5 will deviate from Y by approximately 0.3 V when the valve is closed.
The Belimo SR24A-SR actuator is a versatile and reliable option for control systems. It operates on a nominal voltage of AC 24V and DC 24V, with a power supply range of 19.2-28.8V. In operation, it consumes 2W of power at nominal torque, and only 0.2W when at rest. The actuator has a dimensioning of 4VA and comes with a 1m cable with 4x0.75mm2 connections. Parallel connections are also possible, but performance data should be noted.
The actuator has a minimum torque of 20Nm at nominal voltage, and can be controlled using a DC 0-10V signal with a typical input impedance of 100kΩ. The operating range for the control signal is DC 2-10V. Position feedback is also available, with a maximum current of 1mA and an accuracy of ±5%. Manual overrides are possible with the gearing latch disengaged by a pushbutton, which can be temporary or permanent.
The running time for the actuator is ≤90s/90°, and it has a noise level of max 45dB(A) (without the valve). Position indication is mechanical and integral. The actuator is designed with safety in mind, with a protection class of III and extra low voltage, as well as a degree of protection of IP54 in any mounting position. It also meets EMC standards according to 89/336/EEC.
The actuator has a mode of operation of Type 1 (to EN 60730-1) and a rated impulse voltage of 0.8kV (to EN 60730-1). It can function in environments with control pollution degree 3 (to EN 60730-1) and temperatures ranging from 0-50°C. Media temperature can range from +5-100°C in control ball valves, and -10°C with stem heating upon request. Non-operating temperature range is -40-80°C and it can function in environments with 95% r.h., non-condensating.
Maintenance for the actuator is minimal and it is maintenance-free. The weight of the actuator is approximately 1000g.