Description
The Belimo LM24A-S damper actuator is a robust and reliable solution designed for adjusting dampers in technical building installations. Ideal for air dampers up to approximately 1 m², this actuator ensures precise control and high performance in HVAC applications. With a torque of 5 Nm and versatile control options, it meets various operational requirements with ease.
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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: 1 W
- Power Consumption in Rest Position: 0.2 W
- Power Consumption for Wire Sizing: 1.5 VA
- Connection Supply / Control: Cable 1 m, 3x 0.75 mm²
- Parallel Operation: Yes (note the performance data)
- Auxiliary Switch: 1x SPDT, 0...100%
- Switching Capacity of Auxiliary Switch: 1 mA...3 A (0.5 A inductive), DC 5 V...AC 250 V
Functional Data
- Torque Motor: 5 Nm
- Direction of Motion Motor: Selectable with switch 0 (ccw rotation) / 1 (cw rotation)
- Manual Override: With push-button, can be locked
- Angle of Rotation: Max. 95°
- Running Time Motor: 150 s / 90°
- Sound Power Level, Motor: 35 dB(A)
- Mechanical Interface: Universal shaft clamp 6...20 mm
- Position Indication: Mechanical, pluggable
Safety Data
- Protection Class IEC/EN: III, Safety Extra-Low Voltage (SELV)
- Power Source UL: Class 2 Supply
- Protection Class Auxiliary Switch IEC/EN: II, reinforced insulation
- 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
- Low Voltage Directive: CE according to 2014/35/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
- Hygiene Test: According to VDI 6022 Part 1 / SWKI VA 104-01, cleanable and disinfectable, low emission
Environmental Data
- Type of Action: Type 1.B
- Rated Impulse Voltage Supply / Control: 0.8 kV
- Rated Impulse Voltage Auxiliary Switch: 2.5 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: 0.54 kg
Product Features
- Simple Direct Mounting: Universal shaft clamp for easy installation on damper shafts.
- Manual Override: Push-button allows manual operation when needed.
- Adjustable Angle of Rotation: Mechanical end stops for precise angle settings.
- High Functional Reliability: Overload protection with automatic stop at end position.
- Flexible Signalling: Adjustable auxiliary switch for versatile signal configurations.
Additional accesories:
- Electrical Accessories:
- Auxiliary Switch 1x SPDT Add-on (S1A)
- Auxiliary Switch 2x SPDT Add-on (S2A)
- Feedback Potentiometer 140 Ω Add-on (P140A)
- Feedback Potentiometer 1 kΩ Add-on (P1000A)
- Feedback Potentiometer 10 kΩ Add-on (P10000A)
- Mechanical Accessories:
- Shaft Extension 170 mm ø10 mm for damper shaft ø6...16 mm (AV6-20)
- Shaft Clamp one-sided, clamping range ø6...20 mm, Multipack 20 pcs. (K-ELA)
- Anti-rotation Mechanism 180 mm, Multipack 20 pcs. (Z-ARS180)
- Form Fit Inserts in various sizes (ZF8-LMA, ZF10-LMA, ZF12-LMA, etc.)
- Position Indicator, Multipack 20 pcs. (Z-PI)
Why You Should Buy
The Belimo LM24A-S damper actuator is an essential component for any HVAC system, offering precise control, reliability, and ease of installation. Its versatile features and high-quality construction ensure optimal performance, making it a valuable investment for any technical building installation.
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.
