20 hp (15kW) VFD, 3 Phase 220V, 380V, 460V

Low cost 20 hp (15 kW) VFD, three phase 220V, 380V, 460V variable frequency drive with good performance, IP20 enclosure, RS485 enabled, brand new direct sale by manufacturer.
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Delivery date: 6 - 12 Days

20 hp (15 kW) high performance vector variable frequency drive, three phase 220V, 380V, 460V for selection.


Basics Model GK3000-4T0150G/ GK3000-2T0150G
Capacity 20 hp (15 kW)
Shipping weight 11 kg
Dimension 339*231*214 mm
I/O Feature Rated current 32A at 380V ~ 480V, 60A at 220V ~ 240V
Input voltage 3 phase 220V /380V /460V 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: What are the reasons that will cause a VFD failure?

Dust and moisture on variable frequency drive (VFD) hardware because dust absorbs moisture which causes failure so it is better spraying air regularly into VFD. Spraying discharged compressed air is viable in normal environmental condition but the plant where air contains oil and water then it requires a non-static generating spray. 90% of the problems occur due to this dust, moisture and improper ventilation whereas 8 to 10% of problems occur due to field bus and power quality issues and remaining issues happens due to misapplications or assembly defects.

Air conditioning can be detrimental sometimes. High humidity air fills the conduit during the day, but at night the air conditioning can cause the water to condense, drip back into the VFD and accumulate on the PC boards. You should always leave the VFD powered up to keep the moisture out and keep the power supplies on to keep a small amount of heat in the cabinet.

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