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 »
Class F Insulation with Phenolic Alkyd Resin Varnish - 2 Dips and Bakes
Class B Temperature Rise
Standard with Klixon 9700K Temperature Limiting Switch
NEMA Design D Torques
5% Minimum Slip
Oversized Main Conduit Box Rotatable in 90 Degree Increments - Fully Gasketed with NPT Threaded
Inlet - F2 Mounted. F1 Available - See "EXTRA/OPTIONS" below
Bi-Directional Rotation
Cast Iron Frame with two drain holes; Cast Iron End Brackets and Conduit Box
1045 Carbon Steel Shaft with key way and key
Aluminum Die Cast Squirrel Cage Rotor Construction
Paint System: Phenolic Rust Proof Base with Alkyd finish
Paint Color: Blue Gray (Munsell N9.5)
Vacuum De-Gassed Roller Bearings with Shell Alvania R3 LI-Base grease
Double Shielded Bearings on Frames 215T-286T Pre-Packed with MULTEMP SRL Grease
Labyrinth Type Metal Flinger on Both Ends for Frames 324T and Larger
Cast Iron Inner and Outer Bearing Caps for Frames 324T and Larger
Grounding Terminal Inside Main Box
Stainless Steel Nameplate
6 or 12 Leads
Precautions should be taken to eliminate or reduce shaft currents that may be imposed on the motor by the VFD as stated per NEMA MG1, Part 30.
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