Belimo Open/Close Damper Actuator, 20 Nm, 240 V ac
- RS Stock No.:
- 504-1286
- Mfr. Part No.:
- SM230A
- Brand:
- Belimo
Subtotal (1 unit)*
£205.57
(exc. VAT)
£246.68
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 58 unit(s) shipping from 02 March 2026
- Plus 26 unit(s) shipping from 02 March 2026
- Plus 30 unit(s) shipping from 19 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £205.57 |
*price indicative
- RS Stock No.:
- 504-1286
- Mfr. Part No.:
- SM230A
- Brand:
- Belimo
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Belimo | |
| Product Type | Damper Actuator | |
| Maximum Damper Area | 4m² | |
| Switch Included | Yes | |
| Power Consumption | 2.5W | |
| Control Type | Open/Close | |
| Supply Voltage | 240 V ac | |
| Motor Torque | 20Nm | |
| IP Rating | IP54 | |
| Noise Level | 45dBA | |
| Maximum Damper Spindle Size | 20mm | |
| Angle of Rotation | 95° | |
| Running Time | 150s | |
| Minimum Operating Temperature | -30°C | |
| Maximum Operating Temperature | 50°C | |
| Minimum Damper Spindle Size | 10mm | |
| Standards/Approvals | CE, RoHS, EN | |
| Select all | ||
|---|---|---|
Brand Belimo | ||
Product Type Damper Actuator | ||
Maximum Damper Area 4m² | ||
Switch Included Yes | ||
Power Consumption 2.5W | ||
Control Type Open/Close | ||
Supply Voltage 240 V ac | ||
Motor Torque 20Nm | ||
IP Rating IP54 | ||
Noise Level 45dBA | ||
Maximum Damper Spindle Size 20mm | ||
Angle of Rotation 95° | ||
Running Time 150s | ||
Minimum Operating Temperature -30°C | ||
Maximum Operating Temperature 50°C | ||
Minimum Damper Spindle Size 10mm | ||
Standards/Approvals CE, RoHS, EN | ||
- COO (Country of Origin):
- CH
Belimo Damper Actuator
The Belimo damper actuator has an open/close control type. This actuator has an adjustable U-clamp, which accepts round or square shafts. It is a rotary/louver actuator. It is compatible with all the leading makes of HVAC controls. The damper actuator is fitted with a universal spindle clamp for quick and easy mounting directly on the damper spindle. The actuator is supplied with an ant rotation strap for fixing it at a position. This actuator operates on stall torque technology, which does not require end switches. The damper actuator has no limit switches and is overload proof. It requires a 240VAC/VDC supply voltage.
Optional auxiliary switch (stock no. 504-1545) suitable for use with LM, NM, SM, and GM damper actuators, features 2xSPDT switches rated at 3 (0.5)A 250Vac and supplied with 1m of cable.
Features and Benefits
Operation life is minimum 60000
Pushbutton manual override
Direction change switch
Cable length is 1m
Ambient temperature ranges between -30°C and 50°C
Rated impulse voltage is 4kV
Maintenance free
Low power consumption up to 2.5W
Maximum damper area is 4m²
Damper spindle compatibility ranges between 10mm and 20mm
Motor torque is 20Nm
Noise level is 45dB
Damper spindle size ranges between 10mm and 20mm
Certifications
IP54 rated
CE according to 89/336/EEC
92/31/EEC
UL Enclosure Type 2
IEC/EN 60730-1
IEC/EN 60730-2-14
Related links
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