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Three‑Phase Isolation Transformer 3KVA‑3000KVA

Three‑Phase Isolation Transformer 3KVA‑3000KVA

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Nominal Capacity: 3-3000KVA

Input Voltage: 380V/415V/440V (or customized)

Output Voltage: 480V/380V/220V (or customized)

Nominal Frequency: 50/60HZ

Description

This series three‑phase isolation transformer covers power capacity from 3KVA up to 3000KVA, supporting standard or custom input & output voltage. Manufactured in compliance with CE, RoHS and ISO 9001 standards. It delivers reliable electrical isolation, noise suppression and stable power conversion. Suitable for heavy‑duty and high‑capacity power scenarios such as data centers, large‑scale energy storage cabinets, monitoring rooms and port facilities, it is a robust power supporting solution for industrial and critical infrastructure projects.

Main Application Scenarios

  • Data Center: Provides isolation power protection for server racks and IT infrastructure. Isolates grid interference, stabilizes power supply and reduces risks to core computing equipment.
  • Large‑scale Energy Storage Cabinet: Matches power transformation demands for energy‑storage systems. Ensures safe and stable operation of energy‑storage cabinets under complex working conditions.
  • Monitoring Room: Offers clean isolated power supply for monitoring and control systems, avoiding power noise interference to monitoring hardware.
  • Port: Adapted for port industrial site power transformation. Handles harsh on‑site industrial environment for cranes, equipment and dock facilities.

Key Technical Parameters

  1. Power Range: 3KVA‑3000KVA, standard or custom input & output voltage available
  2. Certifications: CE, RoHS, ISO 9001 certified
  3. Power Factor: 0.8
  4. Cooling Options: Natural air cooling / Fan‑assisted system cooling, selectable according to load and site conditions
  5. High winding isolation voltage, excellent voltage withstand performance, strengthens electrical safety between primary and secondary windings
  6. Optimized low‑noise design for indoor and semi‑indoor installation environments

Product Advantages

  • Wide Power Selection: 3KVA‑3000KVA full‑range capacity, covers light‑duty equipment to large‑scale industrial loads.
  • Customizable Voltage: Standard voltages are available; custom input & output voltage can be tailored for special‑requirement projects.
  • Authoritative Certifications: CE, RoHS, ISO 9001 compliant, meets global market access requirements.
  • Flexible Cooling Solution: Choose natural air cooling or fan‑assisted cooling to adapt different heat‑dissipation and load conditions.
  • Effective Electrical Isolation: High winding isolation voltage blocks grid noise, surge interference and improves equipment operational safety.
  • Broad Industrial Compatibility: Perfect for data centers, energy‑storage systems, monitoring rooms and port heavy‑industry facilities.

Technical Parameters

Three Phase Isolation Transformer
Model Capacity or Customized Input  Voltage(V) or Customized Output Voltage(V) or Customized Physical Dimesion (D*W*H mm)
3~3000 3~3000 380V/415V/440V 480V/380V/220V 440*320*400~1600*1500*2200
Working Frequency
Efficiency ≥98%
Short Circuit Impedance 4%
Standard IEC60076-1,VDE0550,IEC439,JB5555,GB5226 etc
Certificate CE,ROHS and ISO:9001
Voltage Resistance 2500Vac/Min(does not have the puncture,no break down)
Insulation Level Level H
Insulation  Resistance >100MQ/DC500V
Overload Capability 300%for 10 seconds,150%for 120 seconds
Noise ≤45dB
THD ≤1%
Power Factor 0.8
Primary to Secondary Winding Isolation Voltage 1000V~3000V
Material Transformer coil adopts 200 degree high temperature copper or aluminum wire
Main Material Winding 100%copper or aluminum
Connection Mode Dyn11(Delta/Y,Y/Y,Delta/Detal)
Environment Temperature Below 20℃+50℃;indoor enclosure,floor-mounted
Temperature Ries Limit 100K(Actual temperature  minus  ambient temperature)
IP IP23 indoor,electrostatic shield,or IP54,IP65 outdoor option
Cooling Mode Air cooling / Fan system cooling
Warranty 2 years warranty
Can input and output voltage be customized?
Yes. Besides standard voltage grades, we support custom‑made input and output voltage to satisfy different‑country grid or special‑equipment needs.
What certifications does this transformer have?
Our three‑phase isolation transformer passes CE, RoHS and ISO 9001 certifications, complying with international market standards.
What is winding isolation voltage for?
High winding isolation voltage provides reliable electrical isolation between primary and secondary sides, cutting off grid noise and surge interference and protecting backend valuable equipment.
Can it work in heavy‑duty industrial port environment?
Yes. It fits port industrial power transformation. Please equip proper protective housing against dust and moisture according to actual site environment.

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