High Power Inverter Type

High Output Power – Delivers 16,000 Amperes Maximum Current
Store Up to 255 Welding Conditions for Multiple Welding Applications
Easy to Control Welding Conditions
(Welding Waveform Display, Memory Function)
Multiple Safety Features (Detection of Overcurrent, Overheating, No Current, etc.)
Monitor Important Functions
(Current, Voltage, Power, Resistance, Trace)

Power Supply / NRW-IN16K4
Transformer / NT-IN16K4

Graphic Display of Welding Waveform

Welding Power Supply
with High Power Welding Head NA-126

As it is controlled by the amount of deformation, the highly reliable joints can be achieved.

NRW-IN16K4

Items	NRW-IN16K4
Welding Transformer	NT-IN16K4
Control Frequency	2kHz
Control Mode	Constant 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)
Setting Range for Weld Type	Current: 400 – 16000A (1A STEP) Voltage: 0.400 – 6200V （0.001V STEP) Power: 200 – 49200W (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	AC380 – 415V 3Φ (Option : AC200 – 230V 3Φ)
Dimension / Weight	W280 x D410 x H470mm ≈35kg

NT-IN16K4

Items	NT-IN16K4
Rated Capacity	87.0kVA
Primary Input Voltage	300V/600V
Secondary Open-circuit Voltage	17.2V (220V)
Transformer Turns Ratio	18:1/36:1
Input Frequency	2kHz
Maximum Welding Current	12000A (200V)/16000A (400V)
Duty Cycle (Weld Time)	Water cooling 6.6% (1000ms)
Cooling Method	Water
Dimension / Weight	W198 x D420 x H357mm ≈48kg

Transformer for Integration into Equipment

Cooling Method	Water
Dimension / Weight	W92 x D304.5 x H164 ≈16kg

＊A current sensor is additionally required.

Welding Power Supplies