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Residential Openers
Residential Doors
Commercial Openers
Commercial Doors
 
 
 
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Commercial Openers

Jackshaft operators are designed for use on rolling grilles and shutters as well as rolling doors. Some operators are also designed for use on industrial sectional doors with high or vertical lift.

Jackshaft operators are available in light, medium, industrial and heavy industrial-duty.

 
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LiftMaster Jackshaft EGJ

Standard Features:

Motor: Continuous-duty, ETFC high starting torque motor with instant reverse and overload protection. Available in1/2 HP (375W); single phase. Capacitor start and three phase motors. Removable without affecting limit switch settings.

Drive Reduction: 45:1 sealed gear reducer with internal clutch system. "Through-Shaft" reducer design allows operator to be directly mounted onto the 1" torsion shaft of sectional doors, for an approximate door speed of 12"/second. Optional reduction shaft is required for use on rolling doors or sectional door to provide an approximate door speed of 8-9" per second.

Emergency Manual Operation: Model EGJ provides easy manual operation upon activation of the floor level disconnect.

Wiring Type: C2 wiring is standard, B2 is easily selected providing momentary contact to OPEN/CLOSE and STOP with open override. The operator is pre-wired to accept a sensing edge, photoelectric control, radio controls and most types of access control equipment.

Operator/Motor Control: Across-the-line type, size "0" contactor motor switching, mechanically interlocked (NEMA 4 enclosure).

Dynamic Brake: Assures stopping of door in wet environments.

Bearings: High-cycle sealed ball bearings on the gear reducer.

Friction Clutch: Adjustable friction clutch helps protect against damage to the door and operator should the door meet an obstruction.

Pushbutton Station: Three button station for OPEN/CLOSE and STOP functions is incorporated into the wall mounted NEMA 2 electrical enclosure. Additional NEMA 4 controls with one, two or three buttons are available.

Construction: NEMA 4x type electrical box and reducer, TEFC motor.

Control Circuit: 24V NEC Class 2.

Control Accessories and Options

CPS®-DNEMA 4 Commercial Protector System:(Recommended) A reliable "non-contact" photo safety sensor designed to sense an obstruction and signal the door operator to reverse to open.

Sensing Edge: (Recommended) Designed to sense an obstruction and signal the door to open. Either an electric or pneumatic edge system can be used.

NEMA 4 Control Station: A die cast metal NEMA 4/12 outdoor surface mount 3 button control station will withstand your wet environment. (02403)

Owners Manual for EGJ

 

 

 

 

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