800-543-9038
USA
866-805-7089
CANADA
203-791-8396
LATIN AMERICA
22
N40013 - 06/11 - Subject to change. © Belimo Air
controls (USA), Inc
.
LR...24-SR Actuators, Proportional
Models
LRB24-SR-T LRX24-SR-T w/Terminal
Block
LRB24-SR LRX24-SR w/3ft.
cable
Technical Data
Power supply
24 VAC ± 20% 50/60 Hz
24 VDC ± 10%
Power consumption
running 1.5 W
holding 0.4 W
Transformer sizing
3 VA (class 2 power source)
Electrical connection
LRB24-SR
LRX24-SR
½” conduit connector
18 GA, plenum rated cable
3 ft [1m]
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
Input impedance
100 k
Ω
(0.1 mA), 500
Ω
Angle of rotation
90°, adjustable with mechanical stop
Direction of rotation
reversible with protected
Position indication
handle
Manual override
external push button
Running time
LRB24-SR
LRX24-SR
constant independent of load
90 seconds
150, 95, 60, 45, 35 seconds
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 level
<35 dB(A)
Quality standard
ISO 9001
LR...24-SR-T
Electrical connection
screw terminal (for 26 to 14 GA wire)
protected (NEMA 2/IP20)
† Rated impulse voltage 800V, Control pollution degree 3, Type of action 1
(1.B for -S models)
Dimensions
D14
8
-2W
-08