Supply PowerMaster model "WMG" Watertight Industrial
Duty Hoist type operator for use on Sectional Doors with High Lift
or Vertical Lift and Rolling Service Doors and Grilles in a
wet environment.
Primary speed reduction shall be by means of an
industrial gear box with bronze worm gear in an oil bath.
Motor shall be of the high starting torque, continuous
duty industrial type, protected from overload by a current
sensing or thermal type overload device. Motor
controller shall be a heavy duty, full voltage, across the
line, magnetic reversing contactor, that is mechanically
and electrically interlocked. Electrical components shall
be installed in a NEMA 4 enclosure integral to the
operator. A transformer shall be provided to reduce
control voltage to 24 VAC. Separate terminal strips shall
be provided for connection of power supply line and all
control devices. Operator shall be wired for an
open/close/stop control station.
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