Inverter Welder NRW-IN8400A

NRW-IN8400A

NT-IN8444 / NRW-IN8400A
NT-IN8444 / NRW-IN8400A
Examples of combinations of Welding Power Supply
5.7-inch color TFT LCD
5.7-inch color TFT LCD

This is an inverter-type welding power supply that contributes to yield improvement and quality improvement through high reliability welding and with variety of monitoring functions.

Features

  • Fast Responding Current Feedback Control
    In addition to the current feedback control of the conventional PID control type, a control method that aligns with the peak value of the current waveform is equipped. Stable current is supplied to workpiece load fluctuation caused by power supply voltage fluctuation or heat generation.
  • Actuate Stop Function
    In addition to the current feedback control of the conventional PID control type, a control method that aligns with the peak value of the current waveform is equipped. Stable current is supplied to workpiece load fluctuation caused by power supply voltage fluctuation or heat generation.
  • Multi-functional Pulsation Function
    With the pulsation setting that can be performed up to 24 times, the weld time and output can be arbitrarily set for all of them.
  • CAUTION Input Function
    By inputting CAUTION from the present displacement data, temperature data, etc., the next welding output value can be increased or decreased in any step.
  • Quality control through a variety of monitoring functions
    Without using an external monitoring device, the current, voltage, power, and resistance on the secondary side can be graphically displayed and monitored for welding OK/NG judgment.
  • Easy-to-operate, easy-to-read screens
    The 5.7-inch TFT color liquid crystal makes it easy to read and operate.
  • 255 types of welding parameters can be registered

Resistance Welding Power Supplies Specifications

Item NRW-IN8400A
Welding Transformer NT-IN4400, NT-IN4448, NT-IN8400, NT-IN8444
Control Frequency 2kHz
Control Mode Constant Current, Constant Peak Current, Constant Voltage,
Constant Power, Fixed Pulse Width
Range of Timer Setting 1st, 2nd, 3rd, UP, WELD, DOWN
Total Time 0.5 - 3000ms (0.5ms Step)
Pulsation current function featured
Setting Range for Weld Type Current: 400 - 8200A (1A Step)
Voltage: 0.400 - 6200V (0.001V Step)
Power: 200 - 24600W (1W Step)
Current, Voltage, Power, Resistance, Monitoring Average/Peak/Profile
Trace Monitoring Current, Voltage, Power, Resistance
Display of Waveform Current, Voltage, Power, Resistance
Number of Conditions 255
Interface RS-232C
Cooling Method Air
Power Source AC200 - 240V 3Φ (Option: AC380 - 440V 3Φ)
Dimension / Weight W186 x D490 x H265mm ≈18kg

Resistance Welding Transformer Specifications

Item NT-IN4400 NT-IN4448 NT-IN8400 NT-IN8444
Rated Capacity 8.8kVA 23.2kVA 30kVA 50.6kVA
Primary Input Voltage 300V/600V
Secondary Open-circuit Voltage 8.4V (220V) 12.9V (220V) 14.1V (220V)
Transformer Turns Ratio 37:1/74:1 24:1/48:1 22:1/44:1
Input Frequency 2kHz
Maximum Welding Current 4000A 8000A
Duty Cycle (Weld Time) Air cooling 5% (50ms) Air cooling 5%
Water cooling 10% (1000ms)
Air cooling 5% (50ms) Air cooling 5%
Water cooling 10% (1000ms)
Cooling Method Air Air/Water Air Air/Water
Dimension / Weight W150 x D267 x H210mm ≈12kg W170 x D312 x H235mm ≈18.4kg W210 x D342 x H210mm ≈18.0kg W190 x D322 x H275mm ≈25.6kg

Welding Power Supply

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