BELIMO LF24-SR DAMPER ACTUATOR
DA-07: BELIMO LF24-SR DAMPER ACTUATOR
Our Price: $164.57
LF24-SR (-S) US. Proportional damper actuator,
Spring Return Fail-Safe, 24 V for 2 to 10 VDC, or 4 to 20 mA control signal.
Output signal of 2 to 10 VDC for position indication. Torque min. 35 in-lb, for
control of air dampers.
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Specifications
LF24-SR (-S) US
Power supply 24 VAC +/- 20% 50/60 Hz 24 VDC +/- 10%
Power consumption running: 2.5 W; holding: 1 W
Transformer sizing 5 VA (class 2 power source)
Electrical connection LF24-SR US 3 ft, plenum rated cable LF24-SR-SUS 3
ft, 18 GA appliance cables (2) 1/2â conduit connector
Overload protection electronic throughout 0 to 95 degree rotation
Operating range Y 2 to 10 VDC, 4 to 20mA
Input impedance 100 kΩ (0.1 mA), 500 ohm
Feedback output U 2 to 10 VDC (max. 0.7 mA) for 95 degree
Angle of rotation max. 95 degree, adjust. with mechanical stop
Torque 35 in-lb [4 Nm]
Direction of rotation spring: reversible with cw/ccw mounting motor:
reversible with built-in switch
Position indication visual indicator, 0 to 95 degree (0 degree is spring
return position)
Auxiliary switch (LF24-SR-S US) 1 x SPDT 6A (1.5A) @ 250 VAC, UL listed
adjustable 0 to 95 degree (double insulated)
Running time motor: 150 sec constant, independent of load spring:< 25 sec
@-4 F to +122 F [-20 C to +50 C] < 60 sec @-22 F [-30 C]
Humidity 5 to 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 type 2 / IP54
Housing material zinc coated metal
Agency listings UL 873 listed; CSA C22.2 No. 24 certified, CE
Noise level max: running < 30 db (A)
spring return 62 dB (A)
Servicing maintenance free
Quality standard ISO 9001
Weight LF24-SR 3.1 lbs (1.40 kg.)
LF24-SR-S 3.2 lbs (1.45 kg.)
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