echnical data sheet SMASR Modulating damper actuator for adjusting air dampers in ventilation and air-conditioning systems for building services installations For air dampers up to approx. 4 m orque Nm Nominal voltage AC... 4 V Control: Modulating DC... V Position feedback DC... V echnical data Electrical data Nominal voltage AC... 4 V, 5/6 Hz Nominal voltage range AC 85... 65 V Power consumption In operation At rest For wire sizing.5 W @ nominal torque.6 W 6 VA Connection Power supply Signals Cable m, x.75 mm Cable m, 4 x.75 mm Functional data orque (nominal torque) Min. Nm @ nominal voltage Control Control signal Operating range DC... V, typical input impedance k DC... V Position feedback (Measuring voltage U) DC... V, max. ma Auxiliary supply DC 4 V ±%, max. ma Position accuracy ±5% Direction of rotation Reversible with switch / Direction of motion at = V In switch position resp. Manual override Gearing latch disengaged with pushbutton, can be locked Angle of rotation Max. 95, can be limited at both ends with adjustable mechanical end stops Running time 5 s / 9 Sound power level Max. 45 db (A) Position indication Mechanical, pluggable Safety Protection class II otally insulated Degree of protection IP54 in any mounting position NEMA, UL Enclosure ype EMC Low voltage directive CE according to 4/8/EC CE according to 6/95/EC Certification culus according to UL 67-A and UL 67--4 and CAN/CSA E67-: Certified to IEC/EN 67- and IEC/EN 67--4 Mode of operation ype Rated impulse voltage.5 kv Control pollution degree Ambient temperature range... 5 C Non-operating temperature 4... 8 C Ambient humidity range 95% r.h., non-condensating Maintenance Maintenance-free Dimensions / Weight Dimensions See «Dimensions» on page Weight Approx..5 kg www.belimo.com -SMASR en v. 8.9 Subject to changes /
SMASR Modulating damper actuator, AC... 4 V, Nm Safety notes Product features Mode of operation Simple direct mounting Manual override he 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. Caution Power supply voltage he 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. he cable must not be removed from the device. 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. he 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. he actuator is controlled with a standard modulating signal of DC... V and travels to the position defined by the control signal. Measuring voltage U serves for the electrical display of the damper position... % and as slave control signal for other actuators. Simple direct mounting on the damper spindle with a universal spindle clamp, supplied with an anti-rotation strap to prevent the actuator from rotating. Manual override with push-button possible (the gear is disengaged for as long as the button is pressed or remains locked). Adjustable angle of rotation High functional reliability Adjustable angle of rotation with mechanical end stops. he actuator is overload-proof, requires no limit switches and automatically stops when the end stop is reached. Accessories Description Data sheet Electrical accessories Auxiliary switch S..A.. - S..A.. Feedback potentiometer P..A.. - P..A.. Position sensor SGA4, SGE4 and SGF4 - SG..4 Mechanical accessories Various accessories (clamps, shaft extensions etc.) - Z-SM..A.. Electrical installation Wiring diagram N L SG..4 Notes Caution Power supply voltage Other actuators can be connected in parallel. Please note the performance data. 5 U 5 DC V DC V Cable colours: = blue = brown = black = red = white 5 = orange / -SMASR en v. 8.9 Subject to changes www.belimo.com
SMASR Modulating damper actuator, AC... 4 V, Nm Dimensions [mm] Dimensional drawings 9 88 56 64 Damper spindle ) CrNi (INOX)... Length 48... )... ) 4 www.belimo.com -SMASR en v. 8.9 Subject to changes /
SM..A.. 74-.F 48... CrNi (INOX)... 4 9 Nm CrNi (INOX) 5 Nm mm mm 5 65 4 5 www.belimo.com M-SM..A.. v.. /
SM..A.. N L N L AC 4 V / DC 4 V S S S S S S...% SM4A.. SMD4A.. SM4A-S.. SM4AP5.. AC... 4 V N L L N L L S S S S S S S S S SMA.. SMDA.. SMA-S.....% AC 4 V / DC 4 V U DC V DC V U DC V MP 5 5 SM4A-SR.. SM4A-MF.. SM4A-MP.. AC... 4 V N L SG..4 U 5 DC V DC V AC 4 V / DC 4 V (SM4A-V / VR..) 5 SMASR.. VR.. SM4A-V SM4A-V / VR.. / M-SM..A.. v.. www.belimo.com