Belimo ARB24-SR - Page 5

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AR...120-3 Actuators, On/Off, Floating Point
Models
ARB120-3
ARX120-3 Flexible Version
Technical Data
Control
on/off, floating point
Power supply
100 to 240 VAC, 50/60 Hz (nominal)
85 to 265 VAC, 50/60 Hz (tolerance)
Power consumption running
holding
3 W
0.6 W
Transformer sizing
7 VA (class 2 power source)
Electrical connection
ARB120-3
ARX120-3
½” conduit connector
18 GA appliance rated cable
3 ft [1m]
3 ft [1m], 10 ft [3m], 16 ft [5m]
Overload protection
electronic throughout 0° to 95° rotation
nput impedance
600  
Angle of rotation
90°, adjustable with mechanical stop
Direction of rotation
reversible with protected
Position indication
handle
Manual override
external push button
Running time
ARB120-3
ARX120-3
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)
Servicing
maintenance free
Quality standard
ISO 9001
† Rated impulse voltage 4kV, Control pollution degree 3, Type of action
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]
B251-B254 2” 50 4.93” [125.2] 2.73” [69.5]
B261-B265 2½” 65 5.55” [140.9] 2.73” [69.5]
B277-B280 3” 80 5.82” [147.9] 2.73” [69.5]
Dimensions with 3-Way Valve
Valve Nominal Size Dimensions (Inches [mm])
Valve Body nches DN [mm] A 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]
D149A
D149-2A
O50905 - 05/12 - Subject to change. © Belimo Aircontrols (USA), Inc.