NRW-IN400P
Micro Spot Welder
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Switchable inverter frequency. The basic frequency is 2000Hz (energization time resolution 0.5ms). It allows you to switch to 4000Hz (welding time resolution 0.25ms) or 5000Hz (welding time resolution 0.2ms) . Since the frequency can be selected for each program number, a frequency which is optimal to the workpiece can be selected that realizes high-quality welding with less current ripple.
- Equipped with a 127-step freestyle welding profile
It allows you to set “SLOPE””WELD” and “COOL” arbitrarily within 127 steps as standard. Multi-stage slope welding and multi-stage welding (e.g., pulsation 63-stage welding) are possible, providing a good joining by precise heat input control not only for resistance welding but also for resistance heating applications. - Variation of weld stop within 1ms
It reduces the margin of error in the displacement amount of the workpiece. - Supporting multi-transformers
The Trans Switch (option) allows you to connect maximum 4 transformers to one welding controller. power supply by using a transformer switcher.
Multiple welding processes can be realized with a single welding controller and multiple transformers, and while maintaining production capacity, equipment installation costs can be reduced and the capacity of power equipment on the factory side can be reduced (load leveling).
Simultaneous pressurization, sequential welding, and installation of equipment in two different processes are also possible.
Also, the Transformer Relay Box (option) allows you to connect to existing old transformer models. - Welding parameter compensation function
Welding parameters are registered in advance for each program number.It always realizes to perform optimum welding, by calling out those preset value by an external trigger signal and making fine-tuning those parameter, according to changes in room temperature and electrode temperature. - Dust-proof reinforced structure
Improved dust prevention by changing ventilation method. This function reduces malfunctions and failures caused by dust suction in an environment where there is a lot of dust or oil mist. - Easy installation to automatic machines
The program box enables you remote control. Facility design becomes easier. - Multiple power supply support
It allows you to operate from three-phase AC200 to 480V without changing or modifying the welding power supply. - Multi-transformer System
Applicable to be used with maximum 4 trans switchers.
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High Reliability Welding
Easy to Use
High Performance
Product Specifications
| Item | NRW-IN400PA |
|---|---|
| Connecting Transformer | NT-IN8444B、NT-IN4474A |
| Control Frequency | 2000／4000／5000Hz Selectable (selectable for each PRG. No.) |
| Control Method | Primary peak value current FB/Primaly average current FB/ Secondary effective vealue current FB/Secondary effective value voltage FB/Secondary effective value power FB/fixed pulse width |
| Maximum primary output current | 400A air cooling 5% (200A air cooling 20%) |
| Welding Parameters | 255 Paramreters |
| Breaker Capacity | 75A |
| User Interface | Program Box |
| Monitor Function | Average/peak value of current/voltage/power/resistance, Average of pulse width |
| Multi-stage Welding Function | Up to 127 STEP(slope, weld, cool)(Free Style mode) |
| Cooling Method | Air cooling |
| Communication, etc. | Ethernet, CF-card slot equipped |
| Input Power | 3 phase AC200 to 480V ±10% |
| Dimension / Weight | W200×D501×H298 (not including protruding parts)/ ≒19kg |
| Item | NT-IN8444B | NT-IN4474A | ||
|---|---|---|---|---|
| Supply Source Voltage | AC220V | AC400V | AC220V | AC400V |
| Maximum Output Current | 8000A (Duty cycle 5%) | 4000A (Duty cycle 5%) | ||
| Rated Capacity (Duty Cycle 50%) t |
36 kVA | 33 kVA | 11 kVA | 10 kVA |
| Rated Primary Voltage | 300V | 600V | 300V | 600V |
| No-load Secondary Voltage | 14.1V | 12.9V | 8.4V | 7.6V |
| Transformer Turn Ratio | 1970-01-01 22:01:00 | 1899-12-31 20:01:00 | 1899-12-31 13:01:00 | 1900-01-02 02:01:00 |
| Input Frequency | 2kHz,4kHz,5kHz | 2kHz,4kHz,5kHz | ||
| Cooling Method | Air cooling | Air cooling | ||
| Dimension / Weight | W200 x D370 x H214mm (projections not included) / ≒23.4kg | W150 x D337 x H222mm (projections not included) / ≒14kg | ||
