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TECHNiCAL DATA
input voltage
Max. Pull force
Watts
Stand-by power
Torque
Type
Drive
Door height
Travel rate
Lighting
Door arm
Automatic stop
Power recognition
Overflow protection
Limit switch setting
Length (overall)
Headroom required
Hanging weight
Memory Registers
frequency
Chamberlain GmbH
Alfred-Nobel-Straße 4
D-66793 Saarwellingen
www.liftmaster.eu
230–240 V AC, 50 Hz
800 N
260 W
2.9 W
8 Nm
MOTOR
DC gearmotor permanent lubrication
DRiVE MECHANiSM
Chain/belt with two-piece trolley on steel rail
adjustable up to 2.3 m or up to 5 m with appropriate extension
127-178 mm per second
turns on when the drive is activated; turns off 2.5 minutes after closing
adjustable, trolley unlocking device
SAfETY
by pressing a button during forward or backward run and obstacle detection
automatic
Transformer overload protection and low voltage cabling for accessories
electronic, semi and fully automatic; optical detection of speed and
door position
DiMENSiONS
3.2 m
30 mm
14.5 kg
RECEiVER
32
433.92 MHz
fURTHER fEATURES
Soft-start and soft-stop
SPECiAL NOTE
Chamberlain strongly recommends to install
the protector system on all garage door openers!
LM3850ASA*
©2012 Chamberlain GmbH
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