IDP-620 High Frequency Resistance Welding Power Supply for Automotive Components

IDP-620 High Frequency Resistance Welding Power Supply for Automotive Components

The IDP-620 High Frequency Welding Power Supply delivers precise current control, stable welding performance, and fast response for automated resistance welding applications. Ideal for automotive components, battery tabs, metal fabrication, and precision electronics, it improves weld consistency, production efficiency, and energy savings while supporting intelligent monitoring and high-speed industrial manufacturing.

  • Details

    IDP-620 High Frequency Resistance Welding Power Supply for Automotive Components

    The IDP series precision welding power supply is a high-frequency inverter DC power supply independently developed by Huandian. The main components are imported products to ensure the reliability and stability of the product. At the same time, the most advanced inverter power supply technology and DSP electronic control technology are applied. This power supply has powerful welding quality control capabilities, data monitoring functions and welding quality traceability functions. At the same time, it has the characteristics of high control accuracy (0.2 ms), low heat generation, small damage to the workpiece, good solder joint appearance, high welding tensile strength, strong welding stability, and low welding defective rate. At the same time, it supports optional upper computer group network control and real-time welding quality monitoring system.

    The IDP-620 MFDC Welding Controller – Guangdong Ur Welder Co., Ltd. is specially developed for high-precision automotive resistance welding applications, delivering stable welding performance, intelligent adaptive control, and reliable production efficiency for modern industrial manufacturing. Designed for automated welding systems and continuous production environments, the IDP-620 combines advanced MFDC inverter technology with intelligent digital welding control to achieve excellent welding consistency and superior weld quality.


    The entire IDP-620 series is equipped with adaptive intelligent welding technology as standard. During the welding process, the controller automatically adjusts welding current and welding time according to changes in external welding conditions, ensuring stable welding quality and reliable welding consistency throughout production. This intelligent compensation function effectively solves common resistance welding challenges including welding shunt, edge welding instability, non-conductive gaps, pressure fluctuation, inconsistent plate thickness, material variation, and electrode wear influence.


    With real-time adaptive adjustment capability, the IDP-620 significantly improves welding stability and reduces welding defects during high-speed production. The advanced MFDC welding system provides fast current response, stable power output, low welding spatter, and accurate heat control, helping manufacturers achieve stronger welds and higher production reliability.


    The IDP-620 MFDC welding controller is widely used in automotive body welding, EV battery welding, hardware manufacturing, metal fabrication, appliance production, wire mesh welding, and automated resistance welding systems. Its intelligent inverter control technology ensures stable welding current output even during continuous industrial operation, improving welding efficiency while reducing energy consumption and maintenance costs.


    The advanced digital welding control system precisely regulates welding current, welding time, and welding energy for every welding cycle. High-speed digital processing allows the welding controller to quickly adapt to different conductive materials including galvanized steel, stainless steel, nickel sheets, copper materials, aluminum components, and coated metal parts. This flexibility makes the IDP-620 suitable for complex welding applications requiring high precision and consistent welding quality.



    The IDP-620 High Frequency Welding Power Supply is widely used in:

    • Automotive component welding
    • New energy battery tab welding
    • Automatic nut feeding spot welding systems
    • Wire terminal and copper connector welding
    • Stainless steel spot welding
    • Metal bracket welding
    • Precision electronic component welding
    • Household appliance manufacturing
    • Sheet metal fabrication



    Support multi-stage welding combination cycle pulse discharge.

    Exquisite man-machine touch interface, comes with oscilloscope and monitor function, can display current, voltage, power, resistance and other 8 real waveforms and corresponding welding data.

    Support pressure displacement, built-in pressure monitoring, pressure trigger, displacement monitoring, displacement depth of fusion interrupt function.

    Built-in database function, can store about 5 million welding joints of current, voltage, power, resistance, pressure, displacement and other values, and support U disk export.

    Monitor the average RMS value and instantaneous value of current, voltage and power to control the welding quality.



    ModelIDP-620D
    Output Voltage3 phase 380V
    Rated Power120KVA
    Maximum Output Current600A(Primary)
    Inverter Frequency1KHZ - 5KHZ
    Duty Cycle5%
    Control Mode

    Constant Pulse Width/Constant Peak Primary/Constant Secondary Current/Hybrid Control

    Cooling ModeWater Cooling
    Communication ModeRS-232/RS-485/Ethernet, etc.
    No-load Voltage9.8 V
    FeaturesTransformer and controller separated
    Welding Time SettingPre-pressure Time0-9999ms
    Pressurization Time0-9999ms
    Slow Rise 1 Time0-9999cyc
    Welding 1 Time0-9999cyc
    Slow Down 1 Time0-9999cyc
    Cooldown0-9999cyc
    Slow Rise 2 Time0-9999cyc
    Welding 2 Time0-9999cyc
    Slow Down 2 Time0-9999cyc
    Slow Rise 3 Time0-9999cyc
    Welding 3 Time0-9999cyc
    Slow Down 3 Time0-9999cyc
    Holding Time0-9999ms
    Rest Period0-9999ms
    Finish Time0-9999ms
    Number Of Cycles0-9
    Setting Range For Secondary Current0.10~30.00kA
    Setting Range Of Pulse Width1% - 100%
    Setting Range For Secondary Voltage0.02 - 10V
    Current control precision1%
    Impedance control accuracySupport
    Tripping functionSupport
    Offline data uploadSupport
    Loop monitoringSupport
    Adaptive functionSupport
    Current pre-checkSupport
    Current monitoring0.00 ~ 50KA
    Repair weldingSupport


    Communication protocal

    Standard:RS-232、RS-485、ModBus TCP/IP

    Optional:EtherNet/IP,ProfiNet,EtherCAT,DeviceNet, etc.

    Dimension(L*W*H)578 * 600 * 305 mm
    Weight19KG
    Matching TransformerIDT-120

    Transformer specifications
    ModelIDT-120
    Supply VoltagePWM 500V
    Rated Power120KVA
    Rated Primary Voltage500V
    Empty Load Secondary Voltage9.1V
    Max Output Current(Max Utilization)25000A(20%)
    Cooling MethodWater cooling
    Input Frequency1-2kHz
    Transformer Volume Ratio55:1
    Weight18KG

    Manual

    Manual

    Document

    Document

Five working frequencies, six control modes.

Professional technical team provides comprehensive one-stop welding system solutions.

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  • 14th Floor, Building A1, West Lake Zhigu Industrial Park, Huicheng District, Huizhou City, Guangdong Province 516005

  • peterxu@urwelder.com

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