A variable frequency drive is an electronic device that allows you to start, stop, and control the speed of a three phase motor. It is also a motor starter as it is equipped with overload protection. Read more »
What is the difference between a 'new surplus' motor and a 'factory new' motor?
Our New Surplus electric motors and drives are new and unused overstock or discontinued items offered at lower prices and come with our 90-day warranty.
Factory New products are competitively priced and come with a manufacturers warranty.
Variable frequency drives (VFDs or inverters) now play an important part in major industry.
Within the last 10 years they have been perfected to control and vary the speed of 3 phase electric motors. They serve many purposes, besides speed control. Homeowners and hobbyist alike, who have lathes or milling machines with a 3 phase motor, usually don't have 3 phase power to operate. These VFDs (instead of using a rotary phase converter) can now be used to convert single phase power to 3 phase power. Read more »
The structural strength of our cast iron, Heavy-duty Right angle (HdR) series worm gearbox is due to how we double up the bearings on the input shaft. HdR series reducers are available in speed ratios ranging from 5:1 to 60:1 with imperial center distances ranging from 1.33 to 3.25 inches. Also, our gearboxes are supplied with a brass spring loaded breather plug and come pre-filled with Mobil SHC634 synthetic gear oil.
Model #: HDR Series
Box Size: 175
Nominal Ratio: 50:1
Output @ 1800 RPM input: 35 RPM
Maximum Input Power: 0.5 HP
Maximum Output Torque: 575 lbs. in.
NEMA Frame: 56C
Reduction Stages: 1
OHL: 650 lbs.
Center Distance: 1.75
Factory New with manufacturer's warranty
One piece # Fc20 all cast iron housing
Embedded double-lip oil seals
S45C carbon steel shafts
Albc3 aluminum - bronze gear
Interior oil channel guide directly and constantly lubes bearings
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