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 »
Electric Motors
: Severe Duty and General Purpose: High Efficiency & NEMA Premium
: W40 - Open Induction Motors – NEMA Premium Efficiency
Catalog Number: 55036OT3G447/9TS-W40
WEG id: 13621556
Description
The W40 motors are designed for environments where dirt and moisture are minimal. These motors offer low vibration and sound pressure levels additionally to their improved performance.
Applications
Pumps
Fans
Kneader and mixer machines
Cutter and sawing machines
Pressing machines
Industrial equipment
Conveyors
Blowers
Compressors
Machinery
Cranes
Packaging Equipment
Standard Features
Three-phase, II and IV poles, 60Hz
Voltage: 460V to 4160 V
Degree of protection:
ODP (IP23) for frames 447/9 to L5810/11
WPI (IP24) for frame size L6808/09
Frame material: Cast iron
NEMA dimensions
NEMA Design “A” for low voltage motors
Service factor: 1.15
Class “F” insulation (80K temperature rise)
Continuous Duty (S1), 104 °F ambient (40ºC)
Shaft material: AISI 4140
Regreasable nipples
F1 mount (also available flanged motors)
Paint: Synthetic enamel alkyd resin base
Color: RAL 5009 - Blue
NPT threaded terminal box
Thermal detectors PT-100 on windings (two per phase)
Additional terminal box for accessories connection
Stainless steel nameplate - laser etched
Optional Features - Call Dealers for information on price and availability of optional features
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