What is a Variable Frequency Drive?
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 »
 
 
HB0254-Motor-Dealers Industrial-Teco-Westinghouse
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25 HP, 1800 RPM, 460 Volts, TEFC, 284T, IEEE841, PREMIUM, TECO, HB0254

Model #: HB0254  
HB0254
 
Stock:  10
HP : 25
RPM : 1800
Enclosure : TEFC
Frame : 284T
Frame Remarks : IEEE841
Frame Remarks : Premium
Classification : MAX-E2/841
Volts : 460
Phase : 3
Manufacturer : Teco-Westinghouse
Item Condition : Factory New
Weight:  555 lbs
Retail Price$4,104.00
Our Price:
$2,482.24
You Save:$1,621.76 (40%)
Qty: 
 

MAX-E2/841 SEVERE DUTY / INVERTER DUTY

AEHH8B, NEMA PREMIUM IEEE841 [HB]

APPLICATIONS:

  • Fans and Blowers
  • Pumps
  • Crushers
  • Compressors
  • Mixers
  • Conveyors
  • Severe Duty/Petro Chemical
  • Pulp and Paper Application
  • Marine Duty

FEATURES:

  • Output: 25 HP
  • Speed: 1800 RPM
  • Voltage: 460 Volts @ 60 Hz
  • Frame: 284T
  • Full Load Efficiency: 93.6%
  • Full Load Power Factor: 86%
  • Full Load Amperage: 29.1A
  • Enclosure: Totally Enclosed Fan Cooled (IP56)
  • Service Factor: 1.15 (Continuous); (1.0 @ 50 Hz)
  • Meets or Exceeds IEEE 841 Standards
  • Meets IEEE 45 Marine Duty and ABS Design Assessment up to 150 HP
  • Extended Warranty: 60 Months from Date of Manufacture
  • Insulation: Class F
  • Temperature Rise: Class B
  • NEMA Design B Torques as a Minimum; Various Ratings also Meet Design C
  • Construction: Cast Iron Frame
  • End Brackets & Fan Cover and Main Conduit Box
  • (F# 5000 and with Larger with Pressed Steel Plate Main Conduit Box.)
  • Grounding Terminal: Inside Main Conduit Box with additional Foot Grounding Provision
  • Conduit Box: Oversized and Rotatable in 90 Degree Increments - F1 Mounted
  • Ambient Temperature: Designed for 50°C
  • Elevation: Designed for 3300 ft.
  • Rotation: Bi-Directional; Except 2 Pole "Hybrid" and F# 5000 and Larger Ratings are Counter-Clockwise facing the DE
  • Shaft: 1045 Carbon Steel
  • Rotor Construction: Aluminum Die Cast Squirrel Cage for F# 140T - 449T
  • Rotor Construction: Copper/Copper Alloy for F# 5000 and Larger
  • (F# 5007 - 5011 8 Pole Ratings are Aluminum Die Cast Squirrel Cage Rotor Construction)
  • Paint System: 2 Part Epoxy
  • Paint Color: Blue - Munsell 5PB 3/8
  • Bearings: High Quality Ball (or Roller) Regreasable with Mobil Polyrex™ EM Grease
  • Automatic Grease Discharge Fittings
  • VBXX INPRO™ Seals Installed on Both Ends
  • Stainless Steel Nameplate and Hardware
  • Stainless Steel Automatic Breather Drain
  • Suitable for Inverter Duty (PWM - Pulse Width Modulation) per NEMA MG-1 Part 30(4 & 5)
  • Inverter Duty Speed Range: 20:1 Variable Torque / 10:1 Constant Torque (350 HP and Larger are 3:1 Constant Torque)
  • Motor service factor is 1.0 when operated on a VFD.
  • Motors are U.L. Recognized CSA Approved
  • 3 Leads Only
  • Dual Drilled Feet Available on Most Ratings - Longer Frames (i.e. 145T Drilled also for 143T)
  • Vibration Not to Exceed 0.08 Inches Per Second
  • Noise Level Not to Exceed 85 dB(A) at 1 Meter Unloaded
  • CSA Certified for Class I Div. 2 Groups B C D - Temp Code T3 Maximum
  • CSA Certified for Class II Div. 2 Groups F & G - Temp Code T3 Maximum (Frame 444T and Above)
  • Catalog# HB3502 & HB3504 are "Hybrid" ratings; Not CSA Certified (Self-Certify Only) for hazardous locations
  • and not dual drilled.
  • Catalog# HB3006 also not CSA Certified for hazardous locations (Self-Certify Only).
  • 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.

Note: Stock catalog image shown. Actual motor may differ.

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