Manaras - MGH Super-Duty Industrial Gear Head Operator With Hoist

Manaras - MGH Super-Duty Industrial Gear Head Operator With Hoist

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    APPLICATIONS

    The MGH is a very heavy-duty worm gear industrial operator designed for use on
    industrial standard, high and vertical lift sectional doors or rolling doors and grilles.

    The operator can be wall, hood, or shelf mounted on either side of the door and
    incorporates a chain hoist for manual operation with a floor level engaging device with electrical cut-out.

    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).

    STANDARD FEATURES

    Motor:
    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.

    Reduction:
    40:1 worm gear in oil bath reducer with air breather and sealed ball bearings. Output shaft is 1-1/4" with 1/4" keyway up to 1-1/2HP, 1-3/8" output shaft with 5/16" keyway above 1-1/2 HP. Output shaft is supported by cast iron flanged pillow block bearings. Output shaft speed: 43 rpm.

    Drive:
    #50 roller chain with a 50B12 sprocket for the operator drive shaft (up to 1-1/2HP),
    50B15 sprocket for the drive shaft (above 1-1/2HP). #60 roller chain optional. Door
    sprocket selected for a door travel of 6"/s to 12"/s.

    Brake:
    Electrically activated drum-band type solenoid brake.
    Option: brake motor.

    Manual Operation:
    Emergency manual chain hoist. Floor level chain hoist engaging device with electrical cut-out. An electrical interlock automatically disconnects power to the motor operator when the the chain hoist is engaged. Hoist on right is standard, but it can be easily moved to the left in the field.

    Electrical Enclosure:
    All electrical components are in a Nema 1 enclosure. Simple side-off cover.

    Limit System:
    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.

    Accu-cam® Feature:
    Precise and quick one-handed adjustment of the limits.

    Corrosion Protection:
    Reducer, control enclosure and frames protected by baked on, long lasting enamel
    finish.

    Mounting:
    Right or left wall mounting. For indoor use only.

    Dimensions
    Clearance: side room required 17" (432 mm)
    With Friction Clutch (up to 1-1/2HP) Add: 2.375" (60 mm)
    With Friction Clutch (above 1-1/2HP) Add: 1.875" (48 mm)
    For more details, please consult our Dimensions Drawing (up to 1-1/2HP) or our
    Dimensions Drawing (2HP to 5HP).

    Shipping Weight:
    Approx. 137 Lbs - 62 Kg.

    Warranty:
    2 Years.