Belimo AFRB24-SR-S Technical Data

Technical Data AFRB24-SR, AFRB24-SR-S,
AFRX24-SR, AFRX24-SR-S

Power supply

24 VAC ±20%, 50/60 Hz
24 VDC +20% / -10%

Power consumption

running 5.5 W
holding 3 W

Transformer sizing

8.5 VA (class 2 power source)

Electrical connection

AFRB... 3 ft, 18 GA appliance cable, 1/2" conduit
connector
-S models: two 3 ft, 18 gauge appliance cables
with 1/2" conduit connectors
AFRX... 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 protection electronic throughout 0 to 90° rotation

Operating range Y

2 to 10 VDC, 4 to 20mA

Input impedance

100 kΩ for 2 to 10 VDC (0.1 mA)
500 Ω for 4 to 20 mA

Feedback output U

2 to 10 VDC (max. 0.5 mA)

Direction of rotation

spring reversible with CW/CCW mounting
motor reversible with built-in switch

Mechanical angle of rotation

90° (adjustable with mechanical end stop, 35° to
90°)

Running time

spring < 20 seconds @ -4°F to 122°F [-20°C to 50°C];
< 60 seconds @ -22°F [-30°C]
motor 90 seconds
Position indication visual indicator, 0° to 90°
(0° is full spring return position)

Manual override

5 mm hex crank (³⁄₁₆" Allen), supplied
Humidity max. 95% RH non-condensing
Ambient 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 Type2
Housing material zinc coated metal and plastic casing
Agency listings cULus acc. to UL60730-1A/-2-14, CAN/CSA
†
E60730-1:02, CE acc. to 2004/108/EC &
2006/95/EC
≤40dB(A) motor @ 90 seconds
Noise level
≤62dB(A) spring return
Quality standard ISO 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-S
Auxiliary switches 2 x SPDT 3A (0.5A) @ 250 VAC, UL approved
one set at +10°, one adjustable 10° to 90°

Wiring Diagrams

Provide overload protection and disconnect as required.
1
Actuator may also be powered by 24 VDC.
3
For end position indication, interlock control, fan startup, etc., AFRB24-SR-S
4
and AFRX24-SR-S incorporates two built-in auxiliary switches: 2 x SPDT,
3A (0.5A) @250 VAC, UL Approved, one switch is fi xed at +10°, one is
adjustable 10° to 90°.
Only connect common to neg. (–) leg of control circuits
5
800-543-9038 USA
AFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-S
Proportional, Spring Return, 24 V, for 2 to 10 VDC or 4 to 20 mA Control Signal
The ZG-R01 500 Ω resistor converts the 4 to 20 mA control signal to
2 to 10 VDC.
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 qualifi ed 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.
24 VAC Transformer
1
Line
Volts
Control Signal
2 to 10 VDC
2 to 10 VDC control of AFRB24-SR and AFRX24-SR
4 to 20 mA control of AFRB24-SR and AFRX24-SR with
2 to 10 VDC feedback output
Auxiliary switches for AFRB24-SR-S, AFRX24-SR-S
866-805-7089 CANADA
1 Common
2 + Hot
3 Y 1 Input,
(–)
(+)
5 U Output
AFRB24-SR, AFRB24-SR-S
AFRX24-SR, AFRX24-SR-S
AFRB24-SR, AFRB24-SR-S
AFRX24-SR, AFRX24-SR-S
AFRB24-SR-S
AFRX24-SR-S
203-791-8396 LATIN AMERICA
3
2 to 10V
2 to 10V
1