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60 hp (45 kW) VFD, 3 Phase 240V, 380V, 480V

5 out of 5 based on 2 reviews | Write a review

$2,193.10

Affordable 60 hp (45 kW) VFD, three phase 240V, 380V, 480V energy saving variable frequency drive with high performance, brand new direct sale by Chinese manufacturer with fast delivery.

SKU: GK3000-4T0450G

Input Voltage (Three Phase) ±15%

Qty:

Delivery date: 6-12 days

Overview
VFD User Manual

60 hp (45 kW) high quality variable frequency drive, three phase 240V, 380V, 480V for selection, IP20.

Specification:

Basics	Model	GK3000-4T0450G
	Capacity	60 hp (45 kW)
	Shipping weight	40 kg
	Dimension	560320269 mm
I/O Feature	Rated current	91 A
	Input voltage	3 phase 240V /380V /480V AC ±15% (Optional)
	Input frequency	50Hz/ 60Hz
	Output voltage	3 phase AC 0~input voltage
	Output frequency	0.00~400.00Hz
	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 storage notifications
If the VFD is not used for long periods of time, it may be damaged, which is caused by the environmental conditions that do not meet the storage conditions of the VFD. Therefore, the VFD should be placed in the packing case when stored, and note the following:

It is the best to store in absence of sun, no dust and dry place.
The ambient temperature is best in the range of -20~40℃.
The relative humidity is best in the range of 20% to 90%, without condensation.
Avoid long-term storage in corrosive gases and liquids environment.
Long term storage (2-3 years) will lead to electrolytic capacitor degradation. Adding voltage can self-repair certain degree of deterioration. In long-term storage, it should be regularly (within 6 months) powered on for at least 5 hours, and the input voltage should be gradually raised to the rated value by voltage regulator. If the storage period is more than 10 years, the electrolytic capacitors rubber sealed will lose efficacy and must be replaced.

PDF:

GK3000 VFD User Manual

Quick Setup Manual & Application

Existing reviews of 60 hp (45 kW) VFD, 3 Phase 240V, 380V, 480V

Motor high shaft voltage

Question is for high shaft voltage. Does bearing insulation at one side is enough to protect both bearings of motor? Why shaft grounding is required?

From: Guest | Date: 27/05/2017

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ATO Responded

Best practice is to have a good earthing system for high frequencies, then insulate both bearings and then earth DE bearing to keep shaft voltage close to ground potential. For VFD drives it is essential to have correct earthing otherwise insulated bearings and brushes will not help.

Motor shaft voltage

In my option, it depends on the horsepower of the motor. The costs of motor under 60 hp doesn't not justify insulating either bearing. 75 hp (360 frames) to the end of t frames roughly 250 hp in a 4 pole, i would just insulating one bearing. Everything after t frames I would insulate both bearing if being used on a VFD. After 2000 hp I would insulate and add a shaft grounding ring for insurance. The level of protection must be weighted against how critical the motor is, and the costs of the protection versus the costs of replacement/time to reorder.

From: Guest | Date: 05/06/2017

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