Belimo ARB24-SR - Page 3

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AR...24-SR Actuators, Proportional
Models
ARB24-SR
ARX24-SR Flexible Version
Technical Data
Power supply
24 VAC ± 20% 50/60 Hz
24 VDC ± 10%
Power consumption running
holding
2.5 W
0.4 W
Transformer sizing
5 VA (class 2 power source)
Electrical connection
½” conduit connector
18 GA plenum rated cable
3 ft [1m], 10 ft [3m], 16 ft [5m]
Overload protection
electronic throughout 0° to 95° rotation
Operating range Y
2 to 10 VDC, 4 to 20 mA
Feedback output U
1 to 10 VDC, max 0.5 mA
nput impedance
100 k (0.1 mA), 500  
Angle of rotation
90°, adjustable with mechanical stop
Torque
180 in-lb [20 Nm]
Direction of rotation
reversible with protected
Position indication
handle
Manual override
external push button
Running time
ARB24-SR...
ARX24-SR...
90 seconds
300, 150, 90 seconds,
constant independent of load
Humidity
5 to 95% RH non-condensing
(EN 60730-1)
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
Housing material
UL94-5VA
Agency listings†
cULus according to UL 60730-1A/-2-14,
CAN/CSA E60730-1:02, CE according to
2004/108/EC and 2006/95/EC for line voltage
and/or –S versions
Noise leve
<45 dB(A)
Quality standard
ISO 9001
† Rated impulse voltage 800V, Control pollution degree 3, Type of action
(1.B for -S models)
Dimensions with 2-Way Valve
Valve Nominal Size Dimensions (Inches [mm])
Valve Body Inches DN [mm] A
B231-B232 1¼” 32 3.72” [94.6] 2.04” [51.9]
B238-B240 1½” 40 3.88” [98.5] 2.04” [51.9]
B248-B250 2” 50 4.21” [107.0] 2.27” [57.7]
Dimensions with 3-Way Valve
Valve Nominal Size Dimensions (Inches [mm])
Valve Body nches DN [mm] A B C
B329-B331
1¼”
32
3.96” [100.6]
2.27” [57.7]
2.14” [54.3]
B338-B341
1½”
40
4.39” [111.6]
2.51” [63.7]
2.40” [61.1]
B347-B352
2”
50
4.90” [124.5]
2.73” [69.5]
2.74” [69.7]
D152
D152-2
O50905 - 05/12 - Subject to change. © Belimo Aircontrols (USA), Inc.