Technical data sheet CM24-SR-.. Modulating damper actuator for operating air control dampers in ventilation and airconditioning systems for building services installations • For air dampers up to approx. 0.4 m2 • Torque 2 Nm • Nominal voltage AC/DC 24 V • Control: modulating DC 0 ... 10 V • Position feedback DC 2 ... 10 V Type overview Type Direction of rotation CM24-SR-L Y = 0 V left end stop position 0 CM24-SR-R Y = 0 V right end stop position 0 Technical data Electrical data Nominal voltage Nominal voltage range Power consumption In operation At rest For wire sizing Connection Functional data Torque (nominal torque) Control Control signal Y Operating range Position feedback (Measuring voltage U) Posotion accuracy Direction of rotation Manual override Angle of rotation Running time Sound power level Position indication Safety Protection class Degree of protection AC 24 V, 50/60 Hz DC 24 V AC/DC 19.2 ... 28.8 V 1 W @ nominal torque 0.5 W 2 VA Cable 1 m, 4 x 0.75 mm2 Min. 2 Nm @ nominal voltage DC 0 ... 10 V, typical input impedance 100 kΩ DC 2 ... 10 V DC 2 ... 10 V, max. 1 mA ±5% See «Type overview» Gear disengagement with magnet Max. 95° , limited on both sides by means of adjustable, mechanical end stops 75 s / 90° Max. 35 dB (A) Mechanical, pluggable (with integrated magnet for gear disengagement) Mode of operation Rated impulse voltage Control pollution degree Ambient temperature Non-operating temperature Ambient humidity Maintenance Dimensions Weight See «Dimensions» on page 2 Approx. 220 g EMC Certication Dimensions / Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . III Safety extra-low voltage / UL Class 2 Supply IP54 in any mounting position NEMA2, UL Enclosure Type 2 CE according to 2004/108/EC cULus according to UL 60730-1A and UL 60730-2-14 and CAN/CSA E60730-1:02 Certied to IEC/EN 60730-1 and IEC/EN 60730-2-14 Type 1 (EN 60730-1) 0.8 kV (EN 60730-1) 3 (EN 60730-1) –30 ... +50°C –40 ... +80°C 95% RH, non-condensating (EN 60730-1) Maintenance-free Safety notes ! www.belimo.com • The actuator is not allowed to be used outside the specified field of application, especially in aircraft or any other form of air transport. • Assembly must be carried out by trained personnel. Any legal regulations or regulations issued by authorities must be observed during assembly. • The mechanical end stops for restricting the angle of rotation are only allowed to be removed for adjustment purposes. It is essential for them to be in place during operation. T2-CM24-SR-.. • en • v1.1 • 04.2008 • Subject to changes 1/2

CM24-SR-.. Modulating damper actuator, AC/DC 24 V, 2 Nm Safety notes (Continue) • The device may only be opened at the manufacturer‘s site. It does not contain any parts that can be replaced or repaired by the user. • When calculating the required torque, the specifications supplied by the damper manufacturers (cross section, design, installation site), and the air flow conditions must be observed. • The device contains electrical and electronic components and is not allowed to be disposed of as household refuse. All locally valid regulations and requirements must be observed. Product features...