Avio NRW-IN900P Resistance Welder High-Reliability Inverter

Manufacturer: Nippon Avionics Co., Ltd.
Model: NRW-IN900P

Features of NRW-IN900P

The system delivers high capacity with a maximum current of 32,000 A (NT-IN32K444 at 400V), and it supports a long welding time of up to 5 seconds while also providing a 127-step freestyle waveform in normal mode, so it allows flexible and precise operation. It also offers a pulsation mode suitable for fusing, and it enables up to 8-phase pulsation with UP and DOWN slopes for 24 seconds, so it handles a wide variety of welding applications effectively.

Moreover, it controls the welding process precisely by stopping within 1 ms through the phase shift function, and it provides three selectable frequencies (2 kHz, 4 kHz, 5 kHz), so it adapts to different requirements easily. It also includes multiple control modes such as constant current, constant voltage, constant power, primary current peak and average, and fixed pulse width, so it enhances both control accuracy and flexibility.

In addition, it integrates a built-in welding monitor that tracks current, voltage, power, resistance, weld time, and phase, and it supports real-time compensation during welding, so it improves stability and performance. The waveform display function helps users set welding conditions more efficiently and analyze abnormalities quickly, so it increases overall work efficiency.

Furthermore, it supports automation through analog input control for real-time PLC operation, and it enables constant temperature control when combined with sensors, so it ensures consistent results. It also allows remote control via a program box, and it adjusts output instantly through external signal input during welding, so it improves finishing quality and overall precision.

Specifications of NRW-IN900P

ItemNRW-IN900P
Control FrequencySelectable from 2kHz、4kHz、5kHz (Select for each PRG No.)
Control ModePrimary current peak value control, Primary current average value control, Secondary current avarage value control, Secondary voltage avarage value control, Secondary power avarage value control, Fixed pulse width control.
Maximum Welding Current900A(Duty Cycle 5%)
Range of Timer SettingNomal mode: 0.0-5000.0ms(Total of UP TIME、WELD TIME、DOWN TIME、COOL TIME)
Pulsasion mode: 0.0-24000.0ms(Total of PULSE TIME、COOL TIME)
Number of ConditionsNormal mode: 255
Pulsasion mode: 15
Welding Waveform SettingNormal mode: 3-phase(slope、weld、cool)、free style(Max. 127 step、8-phase)
Pulsasion mode: (Max. 120 wave、10000 pulse、8-phase)
Analog input control mode: (8-phase)
User Interface(Setting Tool)Program box
Monitoring FunctionAverage value/peas value monitor of current, voltage, power resistance respectively.
Pulse width, welding time monitor, phase monitor, Source voltage monitor.
Waveform display
Cooling MethodWater cooling (Volume of water 3.0ℓ/min)
InterfaceEthernet
Power Source220V:3φ AC200-240V±10% 50/60Hz、400V:3φ AC380-480V±10% 50/60Hz
Dimensions(mm)W250×D651×H428(Excluding protrusions)
Weight30.4kg
Welding TransformerNT-IN32K444

Resistance Welding Transformer Specifications

ItemNT-IN32K444
Power Source220V400V
Maximam Welding Current19800A(Duty Cycle 5%)32000A(Duty Cycle 5%)
Rated Capacity (Duty Cycle 50%)89 kVA130 kVA
Primary Input Voltage300V600V
Secondary Open Circuit Voltage14.1V12.9V
Transformer Turns Ratio22:144:1
Input Frequency2kHz/4kHz/5kHz
Cooling MethodWater Cooling 3.0ℓ/min
Dimensions(mm)W280×D475×H330(Excluding Protrusions)
Weight43.2kg

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