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  • Shenzhen Veikong Electric Co., Ltd.
    Tayfun from Turkey
    Veikong solar pump inverter is really in very good quality and we also prepared some promotional products for exhibition. We are going to make new orders soon. Last year there was only one local agent and this year, there are more than 8. Some of them only sell Veikong!
  • Shenzhen Veikong Electric Co., Ltd.
    Cristian from Chile
    It’s very good! LCD options make it much easier to use. That’s the strong point, easy of use. And robust. Great PC software.
  • Shenzhen Veikong Electric Co., Ltd.
    Brahim assad from Syria
    VEIKONG VFD500 output frequency is stable when the others are fluctuating. Also output current is less than others, that’s why output frequency is higher too which can save more energy.
Contact Person : Terry
Phone Number : 008613923736332
WhatsAPP : +8613923736332
Professional VFD550I Series Electro‑hydraulic Servo Drive 2.2KW-90KW
  • Professional VFD550I Series Electro‑hydraulic Servo Drive 2.2KW-90KW
Place of Origin China
Brand Name VEIKONG
Certification CE IEC
Model Number VFD550I
Minimum Order Quantity 1
Packaging Details The power less than 45kw use Carton, starting from 45kw use Wooden case
Delivery Time Depend on the order quantity
Payment Terms Western Union,T/T,D/P,D/A,L/C
Supply Ability 15000pcs per Month
Product Details
Application Designed For Hydraulic Control, Injection Molding Machines, Die-casting Machines, Hydraulic Presses, Hydraulic Stations Input Voltage 380–480V 3PH, -15%~+10% Fluctuation
Communication MODBUS, CANopen Energy Saving Rate 20%–60%
Pressure Response 20ms Motor Features High Torque Density, Low Temperature Rise (max 50°C), IP54, Low Noise
Product Description

1. Product Overview


The VEIKONG VFD550I series electro‑hydraulic servo system integrates the VFD550I servo drive and MFD series AC permanent magnet synchronous servo motor, specially designed for hydraulic control applications. It complies with IEC/CE standards and is fully compatible with European, American, and Japanese industrial systems, widely used for energy‑saving upgrades and supporting equipment such as injection molding machines, die‑casting machines, hydraulic presses, and hydraulic stations.

2. Key Product Features


  • High Efficiency & Energy Saving: Energy saving rate up to 20%–60%
  • Precise Pressure Control: Pressure response within 20ms, pressure overshoot ≤±1%, steady‑state fluctuation ≤±0.5Bar
  • Ultra‑fast Dynamics: 0.02s pressure/flow synchronization, shortens production cycle by 30%
  • Multi‑pump Control: Built‑in CAN bus supports multi‑pump confluence and diversion
  • Strong Overload Capacity: 150% rated current for 60s; 180% rated current for 10s
  • Dual Motor Compatibility: Drives PMSM and asynchronous motors

3. Technical Specifications


Electrical Data (380V Three‑phase)


  • Input voltage: 380–480V, tolerance ‑15% ~ +10%
  • Input frequency: 50/60Hz, fluctuation <5%
  • Control modes: V/f control, SVC (sensorless vector), VC (vector with PG card)
  • Communication: MODBUS, CANopen
  • Carrier frequency: 1kHz–12kHz
  • Overload capacity: 150% × 60s; 180% × 10s

Power & Current Rating

Model Rated Output Current Rated Power Size
VFD550I‑5A6‑T4B 5.6A 2.2KW SIZE A
VFD550I‑9A4‑T4B 9.4A 4KW SIZE A
VFD550I‑13A‑T4B 13.0A 5.5KW SIZE B
VFD550I‑17A‑T4B 17.0A 7.5KW SIZE B
VFD550I‑25A‑T4B 25.0A 11KW SIZE C
VFD550I‑32A‑T4B 32.0A 15KW SIZE C
VFD550I‑37A‑T4B 37.0A 18.5KW SIZE D
VFD550I‑45A‑T4B 45.0A 22KW SIZE D
VFD550I‑60A‑T4B 60.0A 30KW SIZE E
VFD550I‑75A‑T4B 75.0A 37KW SIZE E
VFD550I‑90A‑T4B 90.0A 45KW SIZE F
VFD550I‑110A‑T4B 110.0A 55KW SIZE F
VFD550I‑152A‑T4B 152.0A 75KW SIZE G
VFD550I‑176A‑T4B 176.0A 90KW SIZE G


4. Matching MFD Servo Motor


  • Type: AC permanent magnet synchronous servo motor
  • Protection class: IP54
  • Temperature rise: Max 50°C
  • Power density: 20% higher than conventional motors
  • Peak load current: 15% lower


5. Optional Accessories


  • PG cards: MT500‑PG‑INC3 (incremental), MT500‑PG‑RT1 (resolver)
  • Operation panels: MTBOP1 (LED), MTBOP2 (dual‑display), MTSOP1 (LCD)
  • Encoder cables: MIC019‑RT‑L4.0 / L6.0 / L10.0


6. Typical Applications


  • Injection molding machine: Energy saving 35%, efficiency +10%
  • Die‑casting machine: Multi‑pump confluence/diversion, shorter cycle time
  • Hydraulic station / metal baler: Energy saving up to 51.2%
  • Press machine: Response 20ms, positioning accuracy ≤0.1mm
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