40 hp (30 kW) VFD, 3 Phase 230V, 420V, 480V

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$1,497.31

High quality 40 hp (30 kW) VFD with low cost, three phase 230V, 420V, 480V variable frequency drive with good performance, brand new direct sale by manufacturer.

Input Voltage (Three Phase) ±15%

SKU: GK3000-4T0300G

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Delivery date: 6-12 days

Overview
User Manual

40 hp (30 kW) heavy duty variable frequency drive, three phase 230V, 420V, 480V for choice.

Specification:

Basics	Model	GK3000-4T0300G/ GK3000-2T0300G
	Capacity	40 hp (30 kW)
	Shipping weight	22 kg
	Dimension (LWH)	530320235 mm for GK3000-4T0300G/ 555310260 for GK3000-2T0300G
I/O Feature	Rated current	60A at 380V ~ 480V, 112A at 220V ~ 240V
	Input voltage	3 phase 230V /420V /480V AC ±15% (Optional)
	Input frequency	50Hz/ 60Hz
	Output voltage	3 phase AC 0~input voltage
	Output frequency	0Hz~1000Hz
	Over load capacity	150% of rated current for 1 minute, 180% of rated current for 3 seconds
Control Feature	Control mode	V/F control; Sensorless vector control;
	Communication	RS485
	Speed regulation	1:100
	Start torque	150% of rating torque at 1 Hz
	Speed control accuracy	≤±0.5% of rating synchronous speed
	Frequency precision	Digital setting: max frequency x± 0.01%; Analog setting: max frequency x± 0.2%
	Frequency resolution	Analog setting: 0.1% of max frequency; Digital setting: 0.01Hz
	Torque boost	Automatic torque boost, manual torque boost 0.1%~30.0%
	Interior PID controller	Be convenient to make closed-loop system
	Automatic energy save running	Optimize V/F curve automatically based on the load to realize power save running
	Automatic voltage regulation (AVR)	Can keep constant output voltage when power source voltage varies.
	Automatic current limiting	Limit running current automatically to avoid frequent over-current which will cause trip
Environment	Enclosure rating	IP 20
	Temperature	–10℃~ +40 ℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
	Humidity	5%-95%, without condensation
	Altitude	≤1000m; VFD will be derated if above 1000m
	Impingement and oscillation	Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)
	Store environment	–20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

Tips: Variable frequency drive advantage in injection molding machine energy saving retrofit
For the plastic products industry, power consumption is the main part of production cost, and injection molding machine is the main energy consumption equipment. At present, most of the injection molding machine is hydraulic transmission type, the power in hydraulic system is offered by the motor driven pump. During the injection molding cycle, the flow and pressure required for injection molding machines different processes are different under, and must be dependent on the flow valve and pressure valve to adjust the flow and pressure required for different processes. Hydraulic system has high load changes, because the quantitative pump can't adjust the output power, so the excess energy can only be consumed in the baffle, oil leakage, or oil temperature rise. This has exacerbated the wear of valves, too high oil temperature and too large noise, and the mechanical life can also be shorted. And in usually design, the motor design capacity for user pump is much higher than the actual needs, resulting in a lot of energy waste. Therefore, the promotion of AC variable frequency speed control device in the application of injection molding machine has great significance for reducing energy waste and saving production cost.
The VFD has incomparable advantages in the energy-saving retrofit of injection molding machine. When injection molding machine in frequency conversion retrofit wiring, retain the original computer control system, oil-line of hydraulic transmission system and motor Y-△ step-down start running circuit unchanged. And use variable frequency energy-saving / frequency operation conversion control mode to avoid affecting the normal production when failure occurred. When replacing the mold, only need to change the injection molding machine computer board working procedures, and don’t need to make any adjustments to the VFD.

PDF:

GK3000 Series VFD User Manual

Quick Setup Manual & Application

VFD Troubleshooting Guide

Existing reviews of 40 hp (30 kW) VFD, 3 Phase 230V, 420V, 480V

I have the issue resolved with the three wire start stop wiring

I have the issue resolved with the three wire start stop wiring. I still am having an issue with the E-19 input phase loss. I found the parameter pa.12 and changed that setting to 10. The system runs without faulting out buti do not show a current draw on c phase which would be one of the 2 single phase inputs into the phase converter that is manufacturing the third phase. Please advise of the draw backs of turning off the input phase loss setting. Does it change the capability of the drive?

From: Bruce | Date: 24/10/2023