Chamberlain GmbH
Alfred-Nobel-Straße 4
D-66793 Saarwellingen
www.liftmaster.eu
©2012 Chamberlain GmbH
9A
58
02
TECHNiCAL DATA
LM3850ASA*
input voltage
230–240 V AC, 50 Hz
Max. Pull force
800 N
Watts
260 W
Stand-by power
2.9 W
Torque
8 Nm
MOTOR
Type
DC gearmotor permanent lubrication
DRiVE MECHANiSM
Drive
Chain/belt with two-piece trolley on steel rail
Door height
adjustable up to 2.3 m or up to 5 m with appropriate extension
Travel rate
127-178 mm per second
Lighting
turns on when the drive is activated; turns off 2.5 minutes after closing
Door arm
adjustable, trolley unlocking device
SAfETY
Automatic stop
by pressing a button during forward or backward run and obstacle detection
Power recognition
automatic
Overflow protection
Transformer overload protection and low voltage cabling for accessories
Limit switch setting
electronic, semi and fully automatic; optical detection of speed and
door position
DiMENSiONS
Length (overall)
3.2 m
Headroom required
30 mm
Hanging weight
14.5 kg
RECEiVER
Memory Registers
32
frequency
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!