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 »
 
 
256TTFNA14071-Marathon-Dealers Industrial
View Larger
0 Star Rating
0.0
 (Be the first to Write a Review)
 
    
 

20 HP, 1800 RPM, 230/460 Volts, 3 PH, TEFC, 256T, Marathon, 256TTFNA14071

Model #: 256TTFNA14071  
256TTFNA14071
 
Stock:  Backordered
HP : 20
RPM : 1800
Enclosure : TEFC
Frame : 256T
Frame Remarks : 
mounting : Rigid Base
Volts : 230/460
Phase : 3
Manufacturer : Marathon Electric
Item Condition : FACTORY NEW
Category : Electric Motor
Weight:  331 lbs
Retail Price:$4,671.00
Our Price:
$2,376.37
You Save:$2,294.63 (49%)
 
 
Out of Stock

Marathon 20 HP Fire Pump Motor, 3 phase, 1800 RPM, 230/460 V, 256T Frame, TEFC - Y1611

Features

  • Designed for use on pumps for fire pump duty
  • UL file EX5190, CSA file LR2025 and CE mark
  • Red paint exterior
  • NEMA Design B, Code G or less
  • Motor will accept a C-face kit
  • Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
  • Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower

Specifications

  • Model #: Y1611
  • Output: 20 HP
  • RPM: 1800
  • Voltage: 230/460V @ 60Hz)
  • Full Load Amps: 50.0/25.0 A
  • Enclosure: TEFC (Totally Enclosed Fan Cooled)
  • Frame: 256T
  • Mounting: Rigid Base
  • Service Factor: 1.15
  • Power Factor: 82
  • NEMA Design: B
  • Efficiency: 91 (EPACT)
  • Bearings: 6309 / 6210
  • Shaft dimensions (dia x len): 1-5/8" x 4"
  • Factory New with manufacturer's warranty
  • IP Code: 43
  • Electrical Type: Squirrel Cage Induction Run
  • Starting Method: Part Wdg Start Low Volt Only & Wye Start Delta Run
  • Mounting: F1/F2 CAPABLE
 Average Rating:  0 Star Rating
0.0
 
Write a Review