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

  • N° de stock RS 712-2655
  • Référence fabricant SF24A-SR
  • Fabricant Belimo
Documentation technique
Législations et de normes
Déclaration de conformité RoHS
Pays d'origine : CH
Détails du produit

Belimo Modulating Damper Actuator

The Belimo Sf series damper actuator has a modulating control type. It is a spring return actuator with an emergency function for adjusting air dampers in ventilation and air conditioning systems in buildings. It has an adjustable U-clamp, which accepts round or square shafts. This actuator can be installed with a pre-tensioned spring. This product is controlled with a standard signal of DC 0V to 10 V and moves the damper to the operating position. It is overload proof, requires no limit switches. It requires 24VAC/VDC supply voltage.

Features and Benefits

The direction of rotation reversible
Spindle driver universal spindle clamp
Operating voltage range is between 2VDC and 10VDC
Running springtime is <20s
PVC connection cable length is 1m
Motor and return torque is 20Nm
Maximum damper area is 4m²
Damper spindle compatibility ranges between 10mm and 25.4mm
Power consumption is 5W
Noise level 40dB
Damper spindle size is between 10mm and 25.4mm
Rated impulse voltage is 0.8kV
Service life min. 60,000 emergency positions


UL 60730-1A
UL 60730-2-14
CAN/CSA E60730-1:02 certified
IEC/EN 60730-1
IEC/EN 60730-2-14

Attribut Valeur
Return Type Spring Return
Maximum Damper Area 4m²
Damper Spindle Compatibility 10 → 25.4mm
Power Consumption 5W
Control Type Modulating
Supply Voltage 24 V ac/dc
Motor Torque 20Nm
Return Torque 20Nm
Noise Level 40dB(A)
Maximum Damper Spindle Size 25.4mm
Minimum Damper Spindle Size 10mm
7 Livraison dès le lendemain
51 Sous 1 jours (stock Europe)
Prix Each
(TVA exclue)
(TVA incluse)
Prix par unité
1 - 9
284,64 €
10 - 24
270,39 €
25 +
256,17 €