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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 are 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 »

 
 
EQ7-4350-C-Dealers Electric-Teco
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350 HP, 460 Volts, 3 Phase, IP 00, Teco, EQ7-4350-C

MODEL #: EQ7-4350-C  
460 Volts 3 Phase Input, 460 Volts 3 Phase Output
 
Stock:  5
HP : 350
Enclosure : IP00
Input Voltage : 460
Input Phase : 3
Manufacturer : Teco-Westinghouse
Output Voltage : 460
Output Phase : 3
Model : EQ7
Item Condition : Factory New
Weight:  327 lbs
Our Price:
$12,488.00
Qty: 
 

Teco-Westinghouse EQ7 High Performance, Full-Featured Drive

A rugged and versatile drive with a wide range of ratings ideal for both simpler and more demanding applications

Replacement for EQ5 Series Drives

Specifications

  • Model #: EQ7-4350-C
  • Constant Torque Mode:
    • Input Voltage: Single or Three-phase, 380 to 440V, 50Hz, Single or Three-phase, 380 to 480V, 60Hz
    • Three Phase Input:
      • Input current with DCR: 311 A (without DCR: 248 A)
      • Motor horsepower: 350
      • Rated Output Voltage: Three-phase, 380 to 480V (with AVR function)
      • Rated Output Current: 415
    • Single Phase Input:
      • Input current with DCR: 286 A (without DCR: - A)
      • Motor horsepower: 100
      • Rated Output Voltage: Three-phase, 380 to 480V (with AVR function)
      • Rated Output Current: 149
  • Variable Torque Mode:
    • Input Voltage: Single or Three-phase, 380 to 440V, 50Hz, Single or Three-phase, 380 to 480V, 60Hz
    • Three Phase Input:
      • Input current with DCR: 340 A (without DCR: - A)
      • Motor horsepower: 350
      • Rated Output Voltage: Three-phase, 380 to 480V (with AVR function)
      • Rated Output Current: 415
    • Single Phase Input:
      • Input current with DCR: 309 A (without DCR: - A)
      • Motor horsepower: 100
      • Rated Output Voltage: Three-phase, 380 to 480V (with AVR function)
      • Rated Output Current: 161
  • Overload capability: 150%-1 min, 200% -3.0 s
  • Braking Torque: 10 to 15%
  • Braking Transistor: -
  • Braking Resistor: -
  • DC Reactor: Standard
  • Keypad: Multi-function keypad as standard
  • Applicable Safety Standards: UL508C, C22.2 No.14, EN61800-5-1:2007, EN61800-5-2:2007 SIL2, EN ISO13849-1:2008 PL=d Cat.3, EN954-1:1996 Cat.3
  • Enclosure: IP00, UL open type, NEMA 1 (Option)
  • Cooling Method: Fan cooling
  • Height: 39.37"
  • Width: 26.77"
  • Depth: 14.17"
  • Warranty: Factory New with Manufactures Warranty

Applications

  • Crushers, Grinders
  • Positive Displacement Pumps
  • Compressors
  • High Torque Mixing
  • Reciprocating Machinery
  • Material Handling
  • Dynamometers
  • ExtrudersWater and Wastewater Industries
  • Chillers and Refrigeration
  • Injection Molding
  • Fans
  • Converting fixed speed motors to variable speed

Features & Highlights

State of the art engineering and robust, best-in-class performance.
  • CONTROL FEATURES
    • Four selectable control modes - Volts/Hertz, Dynamic Torque, Sensorless Vector, Closed Loop Vector
    • Provides drive solutions for today's demanding motor driven machinery
  • ADVANCED SPEED AND TORQUE CONTROL CAPABILITIES
    • High levels of torque boost attainable
    • Power loss ride through
    • Torque limit adjustable features
  • ADVANCED TUNING FEATURES
    • High level of detail and information regarding applied motors
    • Motor types range from variable torque to full flux vector motors
  • PID LOOP CONTROL FEATURES
    • Process or dancer control
    • Loss of feedback detection
    • Sleep-wake mode
    • High and low feedback alarms
    • Wide variety of process set point signals to choose from
  • CLOSED LOOP SPEED CONTROL
    • 100 Hspeed loop bandwidth
    • Full-quadrature encoder feedback with marker pulse
    • Range: 20 - 60,000 counts/ revolution
    • Loss of encoder signal detection with alternative operation selection
    • PI speed loop with adjustable gains and notch filtering
  • EXTENSIVE INPUT/ OUTPUT CAPABILITIES
    • Forward and reverse inputs plus seven assignable digital inputs
    • Over 50 settings available; each assignable as normally open or normally closed state
    • Three analog inputs; 0 to +/-10V or 0 to 10V, 4 to 20ma, 0 to +/-10V signals
    • Assignable frequency reference, PID set point or feedback, torque reference, torque gain plus many choices
    • Two analog outputs: selectable as 0 to 10V or 4 to 20ma output, scaling, plus over a dozen configuration choices such as output frequency, current, voltage, torque plus more.
    • Four transistor type outputs; over 50 settings available; each assignable as normally open or normally closed state
    • Two assignable contact outputs; over 50 settings identical to the transistor outputs
    • Pulse train input
    • Dedicated safety relay (STO) input
  • MONITORING AND DIAGNOSTICS
    • Extensive monitoring capabilities
    • Detailed status information for all recorded faults (up to 4)
    • Cumulative operating time displays for component maintenance
    • Output frequency reduction to avoid overload trips and transistor junction over temperature
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