800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA1 08/10 - Subject to change. © Belimo Aircontrols (USA), Inc. WARNING Live Electrical Components! During installation, testing, servicing and troubleshooting of this product, it may be necessary to work with live electrical components. Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks. Failure to follow all electrical safety precautions when exposed to live electrical compo-nents could result in death or serious injury.Control Signal (+)2 to 10 VDC (–)1 Common2 + Hot3 Y1 Input, 2 to 10V 5 U Output 2 to 10V1324 VAC TransformerAFRB24-SR, AFRB24-SR-SAFRX24-SR, AFRX24-SR-SLine VoltsW068_AFRB(X)24-SR2 to 10 VDC control of AFRB24-SR and AFRX24-SRAFRB24-SR, AFRB24-SR-SAFRX24-SR, AFRX24-SR-SW069_AFRB(X)24-SR4 to 20 mA control of AFRB24-SR and AFRX24-SR with2 to 10 VDC feedback outputAFRB24-SR-SAFRX24-SR-SW064_AFRB(X)24_SR_-SAuxiliary switches for AFRB24-SR-S, AFRX24-SR-SAFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-SProportional, Spring Return, 24 V, for 2 to 10 VDC or 4 to 20 mA Control SignalTechnical DataAFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-SPower supply24 VAC ±20%, 50/60 Hz24 VDC +20% / -10%Power consumptionrunning5.5 Wholding3 WTransformer sizing8.5 VA (class 2 power source)Electrical connectionAFRB...3 ft, 18 GA appliance cable, 1/2" conduit connector-S models: two 3 ft, 18 gauge appliance cables with 1/2” conduit connectorsAFRX...3 ft [1m], 10 ft [3m] or 16 ft [5m] 18 GA appliance or plenum cables, with or without 1/2” conduit connector-S models: Two 3 ft [1m], 10 ft [3m] or 16 ft [5m] appliance cables, with or without 1/2" conduit connectors Overload protectionelectronic throughout 0 to 90° rotationOperating range Y2 to 10 VDC, 4 to 20mAInput impedance100 kΩ for 2 to 10 VDC (0.1 mA)500 Ω for 4 to 20 mAFeedback output U2 to 10 VDC (max. 0.5 mA)Direction of rotationspringreversible with CW/CCW mountingmotorreversible with built-in switchMechanical angle of rotation90° (adjustable with mechanical end stop, 35° to 90°)Running timespring< 20 seconds @ -4°F to 122°F [-20°C to 50°C];< 60 seconds @ -22°F [-30°C]motor90 secondsPosition indicationvisual indicator, 0° to 90°(0° is full spring return position)Manual override5 mm hex crank (³⁄₁₆" Allen), suppliedHumiditymax. 95% RH non-condensingAmbient temperature-22°F to 122°F [-30°C to 50°C]Storage temperature-40°F to 176°F [-40°C to 80°C]Housing Nema 2, IP54, Enclosure Type2Housing materialzinc coated metal and plastic casingAgency listings†cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/EC & 2006/95/ECNoise level ≤40dB(A) motor @ 90 seconds≤62dB(A) spring returnQuality standardISO 9001† Rated Impulse Voltage 800V, Type of action 1.AA (1.AA.B for -S version), Control Pollution Degree 3. AFRB24-SR-S, AFRX24-SR-SAuxiliary switches2 x SPDT 3A (0.5A) @ 250 VAC, UL approvedone set at +10°, one adjustable 10° to 90°Wiring Diagrams1Provide overload protection and disconnect as required.3Actuator may also be powered by 24 VDC.4For end position indication, interlock control, fan startup, etc., AFRB24-SR-S and AFRX24-SR-S incorporates two built-in auxiliary switches: 2 x SPDT, 3A (0.5A) @250 VAC, UL Approved, one switch is fixed at +10°, one is adjustable 10° to 90°.5Only connect common to neg. (–) leg of control circuitsThe ZG-R01 500 Ω resistor converts the 4 to 20 mA control signal to2 to 10 VDC.71074-00004 800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA208/10 - Subject to change. © Belimo Aircontrols (USA), Inc.AFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-SProportional, Spring Return, 24 V, for 2 to 10 VDC to 4 to 20 mA Control SignalA-AB= 0%B-AB=100%ABBA431.9.82A-AB=100%B-AB= 0%ABBA3421.9.8'$'033 ... 100%Y= 0Y= 0.2.4.6.8.9.8.7.6.5.4.3.2FOFCNext >