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Technical data sheet EFB120-S <br />www.belimo.com EFB120-S • en-us • 2023-03-10 • Subject to change 1 / 4 <br />Basic Fail-Safe actuator for controlling <br />dampers in typical commercial HVAC <br />applications. <br />• Torque motor 270 in-lb [30 Nm] <br />• Nominal voltage AC 100...240 V <br />• Control On/Off <br />• 2 x SPDT <br />Technical data <br />Electrical data Nominal voltage AC 100...240 V <br />Nominal voltage frequency 50/60 Hz <br />Nominal voltage range AC 85...265 V <br />Power consumption in operation 9 W <br />Power consumption in rest position 4.5 W <br />Transformer sizing 21 VA <br />Auxiliary switch 2 x SPDT, 1 mA...3 A (0.5 A inductive), DC 5 <br />V...AC 250 V, one set at 10°, one adjustable <br />10...90° <br />Switching capacity auxiliary switch 1 mA...3 A (0.5 A inductive), DC 5 V...AC 250 V <br />Electrical Connection (2) 18 GA appliance cables, 1 m, with 1/2" <br />conduit connectors <br />Overload Protection electronic throughout 0...95° rotation <br />Electrical Protection actuators are double insulated <br />Functional data Torque motor 270 in-lb [30 Nm] <br />Direction of motion motor selectable by mounting L/R <br />Direction of motion fail-safe reversible with cw/ccw mounting <br />Manual override 5 mm hex crank (3/16" Allen), supplied <br />Angle of rotation Max. 95° <br />Angle of rotation note adjustable with mechanical end stop, 35...95° <br />Running Time (Motor)75 s / 90° <br />Running time fail-safe <20 s @ -4...122°F [-20...50°C], <60 s @ -22°F <br />[-30°C] <br />Noise level, motor 56 dB(A) <br />Noise level, fail-safe 71 dB(A) <br />Position indication Mechanical <br />Safety data Degree of protection IEC/EN IP54 <br />Degree of protection NEMA/UL NEMA 2 <br />Enclosure UL Enclosure Type 2 <br />Agency Listing cULus acc. to UL60730-1A/-2-14, CAN/CSA <br />E60730-1:02 <br />CE acc. to 2014/30/EU and 2014/35/EU <br />Quality Standard ISO 9001 <br />UL 2043 Compliant Suitable for use in air plenums per Section <br />300.22(C) of the NEC and Section 602 of the <br />IMC <br />Ambient humidity Max. 95% RH, non-condensing <br />Ambient temperature -22...122°F [-30...50°C] <br />Storage temperature -40...176°F [-40...80°C] <br />Servicing maintenance-free