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 »
Ideal for mining, quarry and other aggregate operations which require a durable, robust construction and unshakable crusher performance for continuous operation for years to come.
Output: 500 HP
RPM: 1800
Voltage: 460V @ 60Hz)
Full Load Amps: 545 A
Enclosure: TEFC (Totally Enclosed Fan Cooled)
Frame: 588UZ
Mounting: Rigid Base
Service Factor: 1.15
Power Factor: 90
NEMA Design: C
Efficiency: 95.5 (STD EFF.)
Factory New with manufacturer's warranty
Inverter Duty Rated: 5:1CT & 10:1VT
Service Factor: up to 1.15
Design: High Starting Torque
Protection Degree: IP55
Enclosure: TEFC
VPI process applied for best electrical performance
Dual rated for 380V 50 Hz at lower HP output
Double delta connection (12 leads)
Roller bearing on DE side for belt drive applications
Regreasable bearings
4140 equivalent steel shaft
Unibody design
Class “F” insulation with Class “B” rise
Large junction box
Suitable for wye/delta starting and part winding starting
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