Description
The Belimo SM24A Damper Actuator is a robust and reliable actuator designed for adjusting dampers in technical building installations. Ideal for air dampers up to approximately 4 m², this actuator offers precise control, efficient performance, and long-lasting durability. Perfect for HVAC systems, it ensures optimal airflow management in commercial and industrial environments.
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: 20 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°
- Angle of Rotation Note: Can be limited on both sides with adjustable mechanical end stops
- Running Time Motor: 150 s / 90°
- Sound Power Level: 45 dB(A)
- Mechanical Interface: Universal shaft clamp reversible 10...20 mm
- 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
- Hygiene Test: According to VDI 6022 Part 1 / SWKI VA 104-01, cleanable and disinfectable, low-emission
- Type of Action: Type 1
- Rated Impulse Voltage Supply / Control: 0.8 kV
- Pollution Degree: 3
Environmental Conditions
- 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: 0.94 kg
Simple Direct Mounting: Direct mounting on the damper shaft with a universal shaft clamp, supplied with an anti-rotation device to prevent the actuator from rotating.
Manual Override: Manual override with push-button possible (the gear train is disengaged for as long as 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.
Electrical Accessories:
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Auxiliary switch 1x SPDT add-on S1A
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Auxiliary switch 2x SPDT add-on S2A
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Feedback potentiometer 140 Ω add-on P140A
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Feedback potentiometer 1 kΩ add-on P1000A
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Feedback potentiometer 10 kΩ add-on P10000A
Mechanical Accessories:
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Actuator arm for standard shaft clamp (reversible) AH-20
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Shaft extension 240 mm ø20 mm for damper shaft ø12...21 mm CrNi AV12-25-I
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Shaft extension 240 mm ø20 mm for damper shaft ø8...22.7 mm AV8-25
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Ball joint suitable for damper crank arm KH8 KG8
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Ball joint suitable for damper crank arm KH8 / KH10 KG10A
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Damper crank arm Slot width 8.2 mm, clamping range ø10...18 mm KH8
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Shaft clamp one-sided, clamping range ø8...26 mm, Multipack 20 pcs. K-ENSA
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Shaft clamp one-sided, clamping range ø12...26 mm, for CrNi shaft (INOX), Multipack 20 pcs. K-ENSA-I
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Shaft clamp reversible, clamping range ø10...20 mm K-SA
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Anti-rotation mechanism 180 mm, Multipack 20 pcs. Z-ARS180
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Anti-rotation mechanism 230 mm, Multipack 20 pcs. Z-ARS230
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Form fit insert 10x10 mm, Multipack 20 pcs. ZF10-NSA
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Form fit insert 12x12 mm, Multipack 20 pcs. ZF12-NSA
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Form fit insert 15x15 mm, Multipack 20 pcs. ZF15-NSA
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Form fit insert 16x16 mm, Multipack 20 pcs. ZF16-NSA
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Mounting kit for linkage operation for flat installation ZG-SMA
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Position indicator, Multipack 20 pcs. Z-PI
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Baseplate extension for SM..A to SM../AM../SMD24R Z-SMA
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 contact us.
