Chamberlain BG790 - Manual (Page 4)

General Product Information
4
Doc 01-G0674
Rev E
General Product Information
Specifications
Specifications are for both model BG770 and model BG790 unless otherwise noted.
POWER
Line voltage is designated by third suffix of gate part
number. For amp draw, see motor nameplate.
-11; 115VAC, 1 Phase, 60Hz
-21; 230VAC, 1 Phase, 60Hz
-81; 208VAC, 1 Phase, 60Hz
-83; 208VAC, 3 Phase, 60Hz
-23; 230VAC, 3 Phase. 60Hz
-43; 460VAC, 3 Phase, 60Hz
-53; 575VAC, 3 Phase, 60Hz
MOTOR
Squirrel cage induction type (3 phase) or capacitor
start induction type (1 phase), continuous duty, 1725
RPM. Horsepower is designated by second suffix of
operator part number.
-50; 1/2 Horsepower
OVERLOAD PROTECTION
Automatic reset (3 phase operators) or manual reset
(1 phase operators) thermal overload.
ELECTRICAL BOX
NEMA 1 general purpose painted steel enclosure,
contains all motor control equipment. Enclosure
removable from operator.
CONTROL CIRCUIT
Class II, 24VAC
LIMIT SWITCHES
Adjustable, driven limit switches, operate in class II
circuit. Not affected by removal of motor.
POWER ON/OFF SWTICH
Enclosed toggle switch, HP rated.
MODEL BG770
17”
17”
Up to 12 ft. 35”
44”
TYPICAL
INSTALLATION
DIMENSIONS
01-G0674F3
Figure 1
MODEL BG790
TYPICAL
INSTALLATION
DIMENSIONS
01-G0674F4
17”
17”
22”
Counterweighted
Wishbone Arm
Up to 24 ft.
35”
44”
Figure 2