CHARLOTTE, NC – 980-224-0051

Gefran V/f inverter ADV20

At BlackStar Automation, we have the expertise to make sure you find the right drive for your particular application. The Gefran ADV20 is one of our current top sellers when looking for inverters. Our current selection of Digtial DC drives is shown below but please feel free to give us a call at any time if you have questions.

V/f inverter, from 0.4 up to 3.7kW

  • Power supply: 115-230V 1ph and 460V 3ph (±10%), 50/60Hz (±5%)
  • Motor ratings from 0.4kW (0.5Hp) to 3.7kW (5.0Hp)
  • Certifications: CE, UL and cUL

Click here for the ADV 20 Quick Start Guide

Click here for the ADV 20 User Manual

The Inverter ADV20 series concentrates all the characteristics required by modern industrial processes in a single product while at the same time complying with the typical needs of installers and  system integrators who require forefront, practical solutions that are, above all, advantageous in terms of space and cost.
The ADV20, compact, functional and complete with high level functions and specific solutions for configuration of the most modern control systems, is the ideal solution to cater to the wide range of different application requirements of the automation sector


  • Regulation control mode: SPWM (Sinusoidal Pulse Width Modulation) control (V/f control)
  • Output frequency: 0.1 ~ 600Hz
  • EMC Filter integrated (for models 230V 1-phase and 460V 3-phase)
  • RFI-switch for IT mains
  • Torque Characteristics: starting torque can be 150% at 5.0Hz
  • Overload Endurance: 150% of rated current for 1 minute
  • Accel/Decel Time: 0.1 to 600 seconds (2 Independent settings for Accel/Decel time)
  • DC Braking: Operation frequency 0.1-600.0Hz, output 0-100% rated current Start time 0-60 seconds, stop time 0-60 seconds
  • 1 Analogue Inputs  (0-10V/4-20mA)
  • 1 Multifunction Analogue Outputs (0-10V)
  • 6 Digital Inputs (PNP / NPN)
  • 1 Relay Outputs,  form C/change-over contact
  • Keypad included (6-key, 7-segment LED with 4-digit, 4 status LEDs, master frequency, output frequency, output current, custom units, parameter values for setup and lock, faults, RUN, STOP, RESET, FWD/REV)
  • RS-485 communication interface (RJ-45) with Modbus protocol
  • Interfacing with the more common field bus: ProfiBus, CANopen, DeviceNet, and LonWorks (optional modules)
  • Easy DC BUS sharing
  • IP20 protection degree

Applications: Conveyor belt, Automatic doors, Roller door, Escalator, Dumpling maker, Food stirrer, Noodle maker, Drill, Small lathe, Milling machines, Wood working machine, Simple cutting machine for wood working, Spraying machine, Wastewater processing system, Costant pressure water treatment system, Water treatment pump, Agricoltural pump, Temperature control of middle/large oven, Dryer’s windmill Round weaver, Cross weaver, Ribbon weaver, Industrial sewing machine, Knitting machines, Ironing machine, Treadmil, Feeder, Car washing machine, Liquid mixer.

3 points adjustable V/f curve
Automatic Voltage Regulation (AVR)
Accel/decel S-Curve
Over-voltage/over-current stall prevention
5 fault records
Reverse inhibition
Momentary power loss restart
DC braking
Auto torque/slip compensation
Auto tuning adjustable carrier frequency
Output frequency limits
Parameter lock/reset
Built-in PID feedback control
External counter
MODBUS communication
Abnormal reset
Abnormal re-start
Fan control
Sleep/wake frequency
1st/2nd frequency source selections
1st/2nd frequency source combination
NPN/PNP selection
Complete protection function


  • DeviceNet module
  • Profibus module
  • CANopen module
  • DIN-rail adapter for ADV20 size 1
  • Earthing plate
  • USB-RS485 RJ45 Converter
  • Braking Unit Module
  • Options on request only: LonWorks module, Zero Phase Reactor, Digital Keypad for parameters copy