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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Dorik
  • Model Number: DRI-3000A-25V.
  • Output Power: >500W
  • Output Type: Triple
  • Input Voltage: 380V
  • Output Voltage: 0-36/48/72V
  • Output Frequency: 20KHZ
  • Output Current: 0-2000/3000/4000/5000A
  • Application: metal surface treatment
  • Input voltage: Three phase AC 220V/380V/440v±15% 50HZ
  • Control mode: Forced by air cooling
  • Control accuracy: Rated value within±1%
  • Operation mode: remote box , front panel , HUI
  • Efficiency: >=90%
  • Communication: Rs 485 , 232, Plc, profibus
  • Warranty: 24 months
  • Full Protections: Input voltage,output overcurrent,overvoltage, overheat etc protections
  • Power saved: >20% compared with SCR rectifier

Packaging & Delivery

Packaging Details Strong carton or PLT
Delivery Time 7-25 DAYS

Customized available nickel plating rectifier

Product List

We are professional and creative manufacturer. Our reliable quality of rectifiers will definitely satisfy your requirements.


1)  Small, light and high efficiency

2)  High frequency pulse current output 

3)  Flexible use, simple operation

4)  Complete protection function 


Water Treatment  



Aluminum AnodizingHydrogen Rectifier
 Electrowinning  Motor Testing  Electrochemistry Heating

Metal Surface


Product Overviews

Product Parameters
ITEMSTechnical parameters
AC input voltage3 phase 220V, 380V, 415V, 480V±10%, 50/60Hz
Output voltageDC 0-36/48/72V adjustable
Output currentDC 0-2000/3000/4000/5000A adjustable
Regulation range0-100%
Power factor≥0.9(full load)
Accuracy of output current, voltage≤0.1%
Efficiency≥90%(full load)
Protection gradeIP54 for water cooling, IP30 for forced air cooling
Cooling methodWater cooling or forced air cooling
Control modeCC,CV,PWM Pulse control
Operation modeLocal touch screen, front pannel, remote control box or communication
Communication protocolRS485, Profibus DP, MODBUS
Working methodLong time full load continuous operation

Overheat, input over/under voltage, output overvoltage, output overcurrent, over water temperature, under water pressure.

SpecificationSize(mm) Outline



Working Principle

Products Details


Quality Control

1. All units guaranteed 24 months from supply against failure, bad workmanship and material defects excluding misuse of operational conditions.

2. Strong technical ability ensures reasonable, professional and safe design.

3. Good quality components are used.

4. Full load testing before shipment.

5. Complete protections.

6. Meet CE requirement.

Application Fields

1) Surface treatment: Electroplating. Electrolytic metal treatment. Metal finishing. Base metals. Non metals and plastics. Barrel plating. Rack plating. Continuous plating. Hard aluminum anodizing. Decorative anodizing.

2) Electrolysis: All major applications. Metal electrowinning. Electrorefining. Sodium hydroxide electrolysis. Salt electrolysis. Sodium chloride electrolysis. Chlor alkali electrolysis. Water electrolysis.

3) Cathodic protection water purification. Water electrocoagulation and inductive heating.

Packing &Shipment


Please view more products on our website: http://www.dorik.en.alibaba.com

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
13 Transactions 30,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $57,000
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