Bypass damper steel, galvanised with EPDM sealing lips for airtight installation to DIN EN 12237 class D best class of this standard Damper blade with EPDM sealing lip, tight-closing to DIN EN 1751 Class 4, best class of this standard Damper blade with two bearings; damper with motorised bracket, rotatable for actuator mounting at any position, 360° around damper shaft With Belimo LM230A damper actuator for open/close control of dampers, for 230 V, 5 NM torque, for dampers up to 1m² damper area Technical data sheet Belimo LM230A Electrical data Rated voltage AC 230 V Rated voltage Frequency 50/60 Hz Operating range AC 85...264 V Power consumption in operation 1.5 W Power consumption idle position 0.5 W Power consumption dimensioning 3.5 VA Power supply / control connection Cable 1 m, 3 x 0.75 mm² Parallel operation Yes (observe power data) Functional data Motor torque min. 5 Nm Direction of rotation Motor selectable with switch 0 (anti-clockwise) / 1 (clockwise rotation) Manual adjustment Gear disengagement with push button, lockable Angle of rotation max. 95° Angle of rotation Note can be limited on both sides by adjustable mechanical stops Motor running time 150 s / 90° Motor sound power level 35 dB(A) Axle mounting Universal clamping block 6...20 mm Mechanical position indicator, clip-on Safety Protection class IEC/EN II insulated Protection class UL II insulated Protection class IEC/EN IP54 Protection class NEMA/UL NEMA 2, UL Enclosure Type 2 EMC CE according to 2004/108/EC Low Voltage Directive CE according to 2006/95/EC Certification IEC/EN IEC/EN 60730-1 and IEC/EN 60730-2-14 Certification UL cULus according to UL 60730-1A, UL 60730-2-14 and CAN/CSA E60730-1:02 Mode of operation Type 1 Rated impulse voltage Supply / Control 43 kV Degree of pollution of the environment 3 Ambient temperature -30...50°C Storage temperature -40...80°C Ambient humidity 95% r.H, non-condensing Maintenance maintenance-free