Manaras - MGT Heavy-Duty Industrial Gear Head Trolley Operator
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The MGT is a heavy-duty worm gear industrial trolley operator designed for use on
industrial standard lift sectional doors.
It features a high starting torque continuous-duty industrial type motor, the Accu-cam® precise and quick limit adjustment feature, a drum-band type solenoid brake, and a simple slide-off electrical control box cover.
The operator is available with the new Electronic Control Board (BOARD 070) with or without the option of electrical control for MONITORED external entrapment protection devices (UL325-2010 compliant).
60Hz high starting torque, continuous-duty industrial type, single phase capacitor start or 3 phase motor, open drip proof with enclosed ends or drip cover, protected against overload. Also available with 50Hz 220V 1 phase and 380V 3 phase motor, consult inside sales.
40:1 worm gear in oil bath reducer with air breather and sealed ball bearings.
Additional step by #41 chain and sprockets. Output shaft is 1", supported by ball
bearings. Output shaft speed: 100 rpm for a door travel of 10"/s (1/2 and 3/4HP), 66 rpm for a door travel of 6"/s (1 and 1.5HP).
Friction type, integrated in reducer, easily adjustable from outside.
#41 full roller chain drive. Dual, 12 gauge, pre-drilled galvanized tracks provided for
doors up to 12Ft in height standard. Additional track lengths are available (max. door height acceptable for the operator limit system is 40Ft). Track spacers 3/4" steel shaft. Trolley made of cast aluminum alloy with chain tension adjustment device.
Electrically activated drum-band type solenoid brake.
Quick release disconnect arm for manual push-up operation.
All electrical components are in a Nema 1 enclosure. Simple slide-off cover.
Rotary-type oil-impregnated steel cams, commercial grade switches. Limit shaft is
supported by self-lubricating bronze bushings for increased precision. Remains in time when there is a manual operation or after the motor has been removed.
Precise and quick one-handed adjustment of the limits.
Reducer, control enclosure and frames protected by baked on, long lasting enamel
Ceiling-mounted. For indoor use only.
Back Room: door height + 4'6" (1370 mm)
Head Room For Tracks: 4" (102 mm) above the highest point of door travel
For more details, please consult our Dimensions Drawing.
Approx. 126 Lbs - 57 Kg. + tracks.