Shanghai, China
Business Type:
Manufacturer/Factory & Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Computer Products, Construction & Decoration, ...
Management System Certification:
ISO 9001
Terms of Payment:
LC, T/T, D/P, PayPal, Western Union
OEM/ODM Availability:
Yes
OEM/ODM Service
Sample Available

VFD, Variable Frequency Drive, Inverter manufacturer / supplier in China, offering 4HP 3kw Variable Frequency Drive Inverter VFD, High Speed 40W Laser Engraving Machine for Glass Laser Engraver, 40W CO2 Laser Engraver Engraving Machine for Sale and so on.

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Supplier Homepage Products PUMP 4HP 3kw Variable Frequency Drive Inverter VFD

4HP 3kw Variable Frequency Drive Inverter VFD

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $155/ Piece
Port: Shanghai, China
Production Capacity: 1000 Sets/Month
Payment Terms: L/C, T/T, Western Union, Paypal
Application: Three Phase Transducer
Output Type: Quad
Principle of Work: V/F Control Transducer
Switch Mode: High Carrier Frequency PWM Control
Main Circuit Type: Voltage
Voltage of Power Supply: High Voltage Variable-Frequency Drive

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Basic Info

Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Voltage Variable-Frequency Drive
Function
Constant Torque Universal Type
Item
Variable Frequency Drive Inverter
Transport Package
Carton Box
Origin
China


4HP 3kw Variable Frequency Drive Inverter VFD

Introduction

This VFD can be used for constant torque loads ( such as hard starting: Air compressors, HVAC units) and variable torque loads (such as pumps, fans, etc). It can be used as a motor speed control and a phase converter. The inpute for this VFD is 1 or 3 phase as you like. You can control the different speed as you like when yo use this VFD. Many customer bought this VFD from us to use for: Lathes, Mills, Car Hoists, Pumps & Conveyors, etc and then performance excellently. This item use Sine wave PWN(SPWM ) for the control system and performace excellently.

How To Install This VFD

Symbol:Function Description
R.S.T:Input terminal of AC line power.(220V class  for both single/three phase, single phase connected to any two phases)
U.V.W:Output terminal of the inverter
P+.PR:Connector for braking resistor.
E:Ground terminal: the third method of grounding for 220V and special grounding for 380 V of Electrical Engineering Regulations.



Frequency Control

  1. Range:0.1~2500.0Hz
  2. Accuracy:Digital: 0.1%(-10~40ºC); Analog: 0.1% (25±10ºC)
  3. Setting Resolution:Digital: 0.1Hz; Analog: 1‰ of max. Operating frequency
  4. Output Resolution:0.1Hz
  5. Operator Setting Method:Press directly ←∧∨ to set.
  6. Analog Setting Method:External Voltage 0-5V,0-10V,4-20mA,0-20mA.
  7. Other Functions:Frequency lower limit, starting frequency, stopping frequency, three skip frequencies can be respectively set.

General Control

  1. Ramp Control:Selectable 4-speed steps ramp-up and -down time (0.1-6500s).
  2. Torque Control:Torque increase settable by max. 10.0%. The starting torque can reach 150% at 1.0Hz.
  3. Multi-Inputs:6 multi-function input terminals for 8-speed steps control, program operation, switching of 4-speed Ramp, UP/DOWN function, counter, external emergency stop and other functions.
  4. Multi-Outputs:5 multi-output for displaying of running, zero speed, counter, external abnormity, program operation and other information and warnings.
  5. Other Functions:Auto Voltage Regulation(AVR), Decelerating Stop or Coasting Stop, DC Braking, Auto Reset and Restart, Frequency Track, PLC Program Control, Traverse Control, Drawing Control,Auto Energy Saving, Carrier Adjustable (Up to 20KHz), etc.

Protection Functions

  1. Overload Protection:Electronic relay protection motor drive.Drive(for constant torque150%/1 min. for the kinds of fan 120%/1min.)
  2. FuseProtection:When the fuse breaks , the motor will stop.
  3. Over-voltage220V class:DC Voltage >400V.We also stock 380V item, contact us about stock.380V class:DC Voltage >800V
  4. Under-voltage:220V class:DC Voltage <200V.We also stock 380V item, contact us about stock.380V class:DC Voltage <400V
  5. Restart After Instant Stop:Restart with Frequency Track afterInstant Stop
  6. Stall Protection:Stall protection in ramp operation
  7. Output Short Circuit:Electrical circuit protection
  8. Other Functions:Fin over-heat protection, restriction of reverse running, direct start after power on, fault reset, parameter lock PID, one-drive-more, etc.
4HP 3kw Variable Frequency Drive Inverter VFD
 

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