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 »
FRN050F1S-4U-FUJI-Dealers Industrial
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FRN050F1S-4U-FUJI-Dealers Industrial FRN050F1S-4U-FUJI-Dealers Industrial FRN050F1S-4U-FUJI-Dealers Industrial  
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50 HP, VFD, 460 Volts, 3 Phase, IP20, FUJI, FRN050F1S-4U

Model #: FRN050F1S-4U  
Stock:  0
HP : 50
Enclosure : IP20
Input Voltage : 380-480
Input Phase : 3
Manufacturer : Fuji
Output Voltage : 0-480
Output Phase : 3
Model : ECO F1
Item Condition : Factory New
Category : Frequency Drive
Weight:  51 lbs
Our Price:


FRENIC-Eco drives offer simple installation, quick start-up, easy maintenance, and functionality targeted specifically for variable torque fans and pumps. With functions like: PID with sleep mode, enhanced energy savings, low torque detection, overload avoidance, loss of speed reference control, cascade pump control, and communication protocols for both commercial and industrial facilities: the FRENIC-Eco series of drives are ideally suited for almost any variable torque application

  • Model #: ECO F1
  • Input Voltage: 380-480 Volts; 3-Phase
  • Output Voltage: 0-480 Volts; 3-Phase
  • Constant Torque HP: --
  • Constant Torque Amps: --
  • Variable Torque Horsepower: 50
  • Variable Torque Amps: 72
  • Enclosure: IP20
  • NEMA 1 kit part number: NEMA1-45F1-24
  • Dimensions (HxWxD): 21.7" x 12.6" x 10"
  • Factory New with manufacturer's warranty
  • Can be used with single phase input for 50 HP 3 phase motor (30 amps)
  • Enclosure: UL Open Type (IP20/IP00) Optional UL Type 1
  • Ambient Temperature: +14 °F to +122 °F (-10 °C to +50 °C) - UL Open Type / +14 °F to +104 °F (-10 °C to +40 °C) - UL Type 1
  • Storage Temperature: -13 °F to +149 °F (-25 °C to +65 ° C)
  • Humidity: 5% to 95% With No Condensation
  • Altitude: 0 to 3300 ft. (1000 m) Without Derating Derate Output Current for Higher Altitudes per User's Manual
  • Codes and Standards: UL508C C22.2 No.14 EN61800-5-1:2007
  • Input Voltage: Tolerance Unbalance: 3-Ph Input = +10% to -15%
  • Input Frequency: Nominal Tolerance: 50/60Hz +/-5%
  • Displacement Power Factor: >0.98 (@ Rated Load)
  • Maximum Output Frequency: 120Hz
  • Motor Control Method: V/f
  • Overload Capacity: 120% Rated Current for 1 min.
  • Analog Inputs: Qty 2: 0 to +10VDC
  • Analog Inputs: Qty 1: 4 to 20mA
  • Digital Inputs: Qty 7: Programmable Inputs
  • Analog Outputs: Qty 1: Configurable for 0 to +10VDC or 4 to 20mA User Selectable for Proportional Analog Signal Functionality
  • Analog Outputs: Qty 1: 4 to 20mA User Selectable for Proportional Analog Signal Functionality
  • Digital Outputs: Qty 1: Form C (1N.O. & 1N.C.) Dry Contacts Rated 0.3A @ 230VAC Max w/ User Selectable Functionality
  • Digital Outputs: Qty 1: Form A (1N.O.) Dry Contact Rated 0.3A @ 230VAC Max User
  • Digital Outputs: Qty 3: Transistor Output Rated 50mA @ 27Vdc Max User
  • Power Supply: Qty 1: 24VDC 50mA Max


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