Supply PowerMaster Model "H" industrial duty hoist type
operator. Primary reduction shall be by heavy duty VBelt
Drive. Secondary reduction shall be a chain and
sprocket arrangement. Reduction stages shall be
arranged so that mechanism is self locking when torque
is applied at output shaft. All reduction shafts shall be a
minimum of 1" in diameter, supported by bronze oilite
bearings. Operator shall provide an adjustable torque
limiting clutch. 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, magnetic reversing
contactor, that is mechanically and electrically
interlocked.
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