Modulating Damper Actuator, 20Nm, 24 V ac/dc

  • RS Stock No. 504-1309
  • Mfr. Part No. SM24A-SR
  • Manufacturer Belimo
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CH
Product Details

Belimo Damper Actuators

Maintenance-free, low power consumption, rotary damper/louvre actuators, compatible with all leading makes of HVAC controls.

Minimum life of 60000 operations
Stall torque technology requires no end switches
Adjustable U-clamp accepts round or square shafts
Visible position indicator
Pushbutton manual override
Direction change switch
IP54 rated
150s motor run time
1m pre-wired cable
Stock nos. 504-1236 & 504-1242 feature an integrated 1xSPDT 3 (0.5)A 250Vac auxiliary switch
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

Belimo Modulating Damper Actuator

The Belimo modulating damper 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. This actuator operates on stall torque technology, which does not require end switches. It requires 24VAC/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 2W
• Maximum damper area is 4m²
• Damper spindle compatibility ranges between 10mm and 20mm
• Motor torque is 20Nm
• Noise level is 45dB

Certifications


IP54 rated
• NEMA2
• UL Enclosure Type 2
• IEC/EN 60730-1
• IEC/EN 60730-2-14

Specifications
Attribute Value
Maximum Damper Area 4m²
Damper Spindle Compatibility 10 → 20mm
Power Consumption 2W
Control Type Modulating
Supply Voltage 24 V ac/dc
Motor Torque 20Nm
Noise Level 45dB(A)
Maximum Damper Spindle Size 20mm
Minimum Damper Spindle Size 10mm
2 : Next working day (AU stock)
113 : 5 working days (Global stock)
Price (ex. GST) Each
$ 283.10
(exc. GST)
$ 311.41
(inc. GST)
units
Per unit
1 - 5
$283.10
6 +
$273.03
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