Variable Frequency Drive Inverter VFD 4HP 3KW 13A 220-250V
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.
Setting Resolution:Digital: 0.1Hz; Analog: 1‰ of max. Operating frequency
Operator Setting Method:Press directly ←∧∨ to set.
Analog Setting Method:External Voltage 0-5V，0-10V，4-20mA，0-20mA.
Other Functions:Frequency lower limit, starting frequency, stopping frequency, three skip frequencies can be respectively set.
Ramp Control:Selectable 4-speed steps ramp-up and -down time (0.1-6500s).
Torque Control:Torque increase settable by max. 10.0%. The starting torque can reach 150% at 1.0Hz.
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.
Multi-Outputs:5 multi-output for displaying of running, zero speed, counter, external abnormity, program operation and other information and warnings.
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.
Overload Protection:Electronic relay protection motor drive.Drive（for constant torque150%/1 min. for the kinds of fan 120%/1min.）
FuseProtection:When the fuse breaks , the motor will stop.
Over-voltage220V class：DC Voltage ＞400V.We also stock 380V item, contact us about stock.380V class：DC Voltage ＞800V
Under-voltage:220V class：DC Voltage ＜200V.We also stock 380V item, contact us about stock.380V class：DC Voltage ＜400V
Restart After Instant Stop:Restart with Frequency Track afterInstant Stop
Stall Protection:Stall protection in ramp operation
Output Short Circuit:Electrical circuit protection
Other Functions:Fin over-heat protection, restriction of reverse running, direct start after power on, fault reset, parameter lock PID, one-drive-more, etc.
1*2.2KW Variable Frequency Drive Inverter
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