background image

Technical Data

100136

Power Supply

24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10%

Power consumption in operation 5.5 W
Power consumption in rest 

position

3 W

Transformer sizing

8.5 VA (class 2 power source)

Electrical Connection

18 GA appliance cable, 3 ft [1 m], with 1/2” 

conduit connector

Overload Protection

electronic throughout 0° to 95° rotation

Operating Range

DC 2...10 V, 4...20 mA w/ ZG-R01 (500 

1/4 W resistor)

Input Impedance

100 k

 for DC 2...10 V (0.1 mA), 500 

 for 

4...20 mA

Position Feedback

DC 2...10 V, Max. 0.5 mA

Angle of rotation

90°

direction of rotation motor

reversible with switch

direction of rotation spring-return reversible with CW/CCW mounting
Position indication

visual indicator, 0° to 95°  (0° is full spring 

return position)

Manual override

5 mm hex crank (3/16” Allen), supplied

Running Time (Motor)

95 sec

Running Time (Fail-Safe)

<20 sec

Ambient humidity

5...95% r.H. non condensing (EN 60730-1)

Ambient temperature

-22...122°F [-30...50°C]

Storage  temperature

-40...176°F [-40...80°C]

Degree of Protection

IP54, NEMA 2, UL Enclosure Type 2

Agency Listing

cULus acc. to UL60730-1A/-2-14, CAN/CSA 

E60730-1:02, CE acc. to 2004/108/EC and 

2006/95/EC

Noise level, motor

<45 dB (A) 

Noise Level (Fail-Safe)

<62 dB (A) 

Maintenance

maintenance-free

Quality Standard

ISO 9001

†Rated Impulse Voltage 800V, Type of action 1.AA, Control Pollution Degree 3

Safety Notes

 WARNING: For Belimo Products sold in California, these Products do or 

may contain chemicals which are known to the State of California to cause 

cancer and or birth defects or other reproductive harms. For more information 

see www.p65warnings.ca.gov.

AFRB24-SR

Modulating, Spring Return, 24 VAC for 2 to 10 VDC or 4...20 mA Control Signal

800-543-9038 USA

866-805-7089 CANADA

203-791-8396 LATIN AMERICA / CARIBBEAN

Date created, 05/02/2019 - Subject to change. © Belimo Air

controls (USA), Inc.

Reviews: