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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
    Free shipping
    Delivery date: 6-12 days

    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 560*320*269 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:

    1. It is the best to store in absence of sun, no dust and dry place.
    2. The ambient temperature is best in the range of -20~40℃.
    3. The relative humidity is best in the range of 20% to 90%, without condensation.
    4. Avoid long-term storage in corrosive gases and liquids environment.
    5. 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.
    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
    Was this review helpful? Yes No (0/0)
    ATO responded to this review
    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
    Was this review helpful? Yes No (0/0)
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