Operator Dimensions And Specifications - Chamberlain LiftMaster Professional SW420 Installation Manual

O P E R A T O R D I M E N S I O N S A N D S P E C I F I C A T I O N S
MODEL SW420
• 1/3 HP Motor
Maximum Gate Starts – 10/hr.
Maximum Gate Weight – 300 lbs. (136.1 kg)
Maximum Gate Width – 12 ft. (3.7 m)
18-3/16"
1-3/8"
11-3/4"
3" (Nominal)
18-3/16"
1-3/8"
14-5/8"
18-3/16"
1-3/8"
11-3/4"
12" Max
3
11-5/8"
Post Mount
(standard)
11-5/8"
Pad Mount
(optional)
3-3/16"
11-5/8"
Pedestal
Mount
(optional)
3-3/16"
3-3/16"
5/8"
3-3/16"
1-1/2"