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 »
AEHHGD, NEMA PREMIUM, DESIGN C (20 HP - 200 HP) [CDP]
APPLICATIONS:
Crushers
Ball Mills/ Rolling Mills
Impactors
Any High Torque Application
Chippers/ Shredders
FEATURES:
Output: 75 HP
Speed: 1200 RPM
Enclosure: Totally Enclosed Fan Cooled (IP55)
Voltage: 208/230/460 Volts
Frame: 405T
Efficiency: 94.5% Full Load
Power Factor: 86.5% Full Load
Amperage: 86A Full Load
Bearings: Roller Bearing on Drive EndService Factor: Three Phase 60 Hz 1.15 Service Factor (Continuous); 1.0 with VFD; 50 Hz 1.0 Service Factor (Continuous)
Insulation: Class F
Temperature Rise: Class B
NEMA Design C: Torques Equal or Greater Than 200% Starting Torque / 250% Breakdown Torque
Construction: Cast Iron Frame; End Brackets; Main Conduit Box; Rolled Steel Fan Cover(7)
Grounding Terminal: Inside Main Conduit Box(8)
Conduit Box: Oversized Main Conduit Box Rotatable in 90 Degree Increments - F1 Mounted
Ambient Temperature: Designed for < 40°C
Elevation: Designed for < 3300 ft. Elevation
Rotation: Bi-Directional
Shaft: High Strength 4140 AISI Steel
Rotor Construction: Aluminum Die Cast Squirrel Cage
Paint System: Phenolic Rust Proof Base Plus Polyurethane Top Coat
Paint Color: Dark Gray - Munsell 7.5 BG 3.5/0.5
Bearings: High Quality Ball (or Roller) Bearings Regreasable with Mobil Polyrex™ EM Grease
Fittings: Automatic Grease Discharge Fittings
Gamma (Axial Face) Seal on Both Ends for F# 140T - 400T
Labyrinth Type Metal Flinger on Both Ends for F# 440T and Larger
Cast Iron Inner and Outer Bearing Caps for F# 320T and Larger
Nameplate: Stainless Steel Nameplate
VFD: Suitable for Inverter Duty (PWM - Pulse Width Modulation) per NEMA MG-1 Part 30(4 and 5)
Inverter Duty Speed Range: 20:1 Variable Torque / 10:1 Constant Torque (350 HP and Larger are 3:1 Constant Torque)
12 Leads for 125 HP and Smaller
6 Leads for 150 HP and Larger
Protection: Standard With Thermistors (PTC 140°C) 1 per Phase
Locknut and Washer on NDE for Vertical Shaft Down Applications on F# 440 and Larger
Drain Holes / Plugs on Both End Brackets for Vertical Applications
Threaded One Way Breather Drains for Horizontal Mount Applications
Precautions should be taken to eliminate or reduce shaft currents that may be imposed on the motor by the VFD as stated per NEMA MG-1.
(7) F# 5000 and with Larger with Pressed Steel Plate Main Conduit Box.
(8) Additional Foot Grounding Provision for F# 440 and Larger.
Note: Stock catalog image shown. Actual motor may differ.
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