Linear MO7543S, MO7523S, MO7521S, MO7511S, MO5043S Specsheet

Extra Heavy-Duty Gearhead Jackshaft Commercial Door Operator

Equipped with

Chain Hoist and

Floor Level Disconnect

Product No. See table below

DOOR TYPE MAXIMUM DOOR AREA (SQ. FEET)

Fiberglass

Steel-24 Ga.
Steel-22 Ga.
Aluminum

Wood
Steel-20 Ga.
Steel-24 Ga. insulated

Steel-16 Ga.
Steel-20 Ga. insulated

Steel-16 Ga. insulated

Operator size to use ➜

MODEL HP

MO5011
MO5021 230V 1P
MO5023 230V 3P
MO5043 460V 3P
MO7511
MO7521 230V 1P
MO7523 230V 3P

MO7543 460V 3P
MO10011
MO10021 230V 1P
MO10023 230V 3P
MO10043 460V 3P
MO15011
MO15021 230V 1P
MO15023 230V 3P
MO15043 460V 3P
MO20023
MO20043 460V 3P

325 480 650

300 430 560

275 390 500 680

225 275 325 425 560

175 225 300 375 460

1/2 HP 3/4 HP 1 HP 1-1/2 HP 2 HP

VOLTAGE &

PHASE

115V 1P

1/2

115V 1P

3/4

115V 1P

1

115V 1P

1-1/2

2

230V 3P

Commercial Door Operators

MO SERIES

Extra heavy-duty gearhead jackshaft garage door
operator for vertical or high lift sectional doors and
rolling steel curtain doors.

RATINGS

• Maximum duty cycle: 35 cycles per
hour, 150+ cycles per day

• Maximum door height: 24 feet

• Shipping weight: 135 lbs.

FEATURES

• Floor level disconnect and chain hoist with
interlock for manual door operation

• Manual operation will not affect limit switch settings

• Oil bath gear reduction unit

• #50 Chain and sprocket, 1/2 - 1HP

• #60 Chain and sprocket, 1-1/2 - 2HP

• Solid State (up to 3/4 HP) or

electromechanical control circuit

• Solenoid brake standard

• TEFC Motor standard on single phase 1 HP
and over, and all 3 phase operators

• Motor overload protection

• Wired to accept reversing devices

• Internally adjustable limit switches

• Delay-on-Reverse Standard 1-1/2 hp
and above (MO150 & MO200)

• 24-Volt control circuit with OPEN, CLOSE
and STOP push button station

• OPEN button (and single button) will
automatically override down travel and
reverse door to the full open position

• External terminals for single button (residential
type) radio control (electromechanical only)

FACTORY OPTIONS

• Solid state controller: Add S to model number

• Hood mounting bracket: P/N 190-107209

• Wall mounting bracket: P/N 190-107638

• MVP-MR 3-channel open-close-stop
modular receiver installed (on solid state
controller model only): P/N 2650-159

• MVP-RE-24V-8W-FC 1-door open-close-stop receiver (for
electromechanical controller model only): P/N 190-110554

WARRANTY

• 2 years

www.linearcorp.com Specifi cations subject to change without notice800.421.1587

Solid State Control

MO Series

GEARHEAD HOIST OPERATOR

Extra Heavy-Duty Commercial Operator

CUSTOMER
PROJECT
ARCHITECT/ENGINEER
CONTRACTOR
DRAWING NUMBER DATE SHEET OF

ORDERING INFORMATION:

SUPPLY __________ LINEAR OPERATOR(S) MODEL M

WITH A MOTOR RATING OF __________HP, __________VOLTS, _____PHASE, _____HERTZ

FOR A __________ WIDE X __________ HIGH DOOR(S) WITH ______________________________________

SUPPLY _______ OPEN-CLOSE-STOP CONTROL STATION(S) IN NEMA _______ ENCLOSURE PER OPERATOR

______________ DRIVE SPROCKET ______________ DOOR SPROCKET

O __ __ __ __ S ________________________

AUXILIARY AND OPTIONAL EQUIPMENT AS SPECIFIED BELOW OR ON ATTACHED SHEET:

ARCHITECTURAL SPECIFICATIONS (FLOOR DISCONNECT):

Electric door operator(s) shall be Solid State Control Model M

O of the gearhead hoist type, manufactured by Linear LLC and Underwriters

Laboratory (UL) listed. Horsepower, voltage and phase will be as required to properly operate the door. Operators will be equipped with speed
reduction (enclosed gear reducer having a worm gear running in oil bath). A floor level disconnect device will be provided for mechanical
disengagement to allow for manual door operation. The operator will be equipped with an integral limit system that provides accurate settings
to control the open and close positions of the door and will not be affected by manual door operation or motor removal. The motor and operator
will be protected against overload by a thermal protector and will be equipped with a solenoid operated brake with internal expanding 360
degree brake shoe. The operator will have a 24VAC secondary solid state control circuit with advanced switch selectable features, motor load
delivered via high amperage, inductive load rated relays. The operatorwill have provisions for connecting open-close-stop pushbutton stations,
radio controls, and external obstruction sensing (reversing) systems. Operator will drive the door at a speed of approximately 8-10 inches per
second.

NOTES:
REFER TO PRODUCT DATA SHEET FOR GENERAL INFORMATION
REFER TO DRAWING____________FOR WIRING DIAGRAM

LINEAR LLC Phone [phone]
1950 Camino Vida Roble Ste. 150 Fax [phone]
Carlsbad, CA 92008 Website www.linearcorp.com

Copyright © 2010 Linear LLC P897 X1