Liftmaster MJ 5011 Commercial Jackshaft Garage Door Opener

Liftmaster MJ 5011 Commercial  Jackshaft  Garage Door Opener
Item# MJ5011L4
What voltage, phase and frequency?:  Select Left or Right hoist position. :  What type of door do you have?:  Drive Sprocket(Left or Right):  Door Shaft and Keyway Size:  Door Width (Round up to next higher ft.) :  Door Height (Round up to next higher ft.): 
Availability: Usually ships the next business day

Product Description

Medium-Duty Logic Jackshaft Operator


The Model MJ door operator is designed for use on industrial sectional doors with high or vertical lift and small rolling doors and grilles. Maximum recommended duty cycle: 12 cycles per hour.

Standard Features:

Choice of two Control Circuits:

- Medium-Duty Logic Control Board (E)

- Mechanical Dual-Relay (M) Available on 115V - 24VAC NEC Class 2 Circuit with 20VA transformer

3-button control station

High starting torque motor with overload protection

Long-life dry type capacitor

Solenoid brake, standard on 3/4 HP and higher

Type C2 wiring standard, B2 easily field set by moving 1

jumper wire

Prewired to accept sensing devices

24V control circuit

Fully adjustable linear driven limit switch mechanism

Motor removable without affecting limit settings

External radio control terminals

NEMA 1 type electrical enclosure

Adjustable friction clutch

Efficient V-belt primary drive, chain/sprocket secondary Floor level disconnect for emergency manual operation

Baked-on high-durability black powdercoat finish

Door speed approximately 8 to 9 inches per second

Approximate shipping weight - 55 lbs.

2-year warranty

PHONE: 1(440)366-6112 FAX: 1(440)365.3514
PO Box 1169
Elyria, OH 44035