
Jackshaft
Model MGJ
Model
MGJ is a medium-duty gear-reduced jackshaft operator for rolling grilles
and shutters. It features a compact design, a floor level disconnect,
a high-starting torque motor and a heavy-duty wormgear reducer.
Standard
Features:
Motor:
Powerful 1/2 HP, single phase motor with instant reverse and internal
automatic reset thermal overload. Removable without affecting limit
switch settings.
Wiring
Type: All operators are factory preset to C2 wiring providing momentary
contact to open and stop with constant contact to close. Momentary contact
to close (B2 wiring) can be easily set. The operator is pre-wired to
accept a sensing device, photoelectric control, radio controls and most
types of access control equipment.
Operator/Motor
Control: Dependable dual relay system. Across-the-line reversing starter
used on 3 phase only (NEMA 1 enclosure).
Control
Circuit: 24V NEC Class 2.
Floor
Level Disconnect: Floor level disconnect provides emergency manual operation.
Drive
Reduction: Heavy-duty wormgear-in-oil-bath speed reducer.
Pushbutton
Station: 3-button station for OPEN/CLOSE/STOP functions is standard
for all operators. Controls with one, two and three buttons are available.
Construction:
NEMA 1 type electrical box with baked-on powder coat finish. Easily
field converted for right or left mounting.
External
Radio Control Terminal: External terminals provide quick, convenient
connections for universal radio controls.