KR2 / KF2 Series (YD-200KR2 / YD-350KR2 / YD-500KR2 / YD-500KF2)
KR2 / KF2 Catalog
* In addition to this product (welding power source), a wire feeder, remote control unit, torch, and gas regulator are required for welding.
Key functions
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Best-selling thyristor-controlled machines
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Energy saving circuit for cutting wasteful power consumption
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Dustproof and waterproof structure applicable to a wide range of site environments
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Enhanced safety circuits
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Improved ease of maintenance
Sheet metal construction has been adopted to enhance the robustness. Effective when moving the unit within the factory or to other sites.
Best-selling thyristor-controlled machines
These products achieve arcs that can be gently applied to base metal. Equipped with a function to centrally control welding conditions, it is possible to easily set them by adjusting the current and leaving the voltage setting to the power source. Even first-time users can easily set conditions.
The KR2 series is a set product consisting of a wire feeder, welding torch, and gas regulator.
Equipped with an energy saving circuit for cutting wasteful power consumption
The input power supply is automatically cut off approximately seven minutes after switching the torch off, thereby cutting off standby power. This also has the effect of reducing dust intake into the welding machine by stopping the cooling fan.
Dustproof and waterproof structure suitable for use in various operating environments
Features a safety structure that is rated IP12 under the International Electrotechnical Commission (IEC) standards. Furthermore, a perforated structure is adopted to prevent small animals from entering the machine, making it safe during storage.
Enhanced safety circuits
Equipped with a secondary short-circuit current limiting function and thyristor failure detection circuit.
Improved ease of maintenance
The gas valve fuse and 50/60 Hz selector switch are located on the front panel. Users can check the status of the main unit at a glance.
●YX-25AD1
For CO2 / MAG
●YD-50KFR2
Please purchase separately as necessary.
KR2 (The remote control unit and control cables are separated)
| Model number | YD-200KR2 | YD-350KR2 | YD-500KR2 | |
|---|---|---|---|---|
| Rated input voltage | V | 200 to 415 AC(200, 220, 380, 415) | 200 to 440 AC (200, 220, 380, 400, 415, 440) |
200 to 440 (200, 220, 380, 400, 415, 440) |
| Number of phases, rated frequency | ー | 3-phase, 50 / 60 Hz | ||
| Rated input | kVA | 7.6 | 18.1 | 31.9 |
| kW | 6.5 | 16.2 | 28.1 | |
| Maximum open circuit voltage | V | 35 DC | 52 DC | 66 DC |
| Rated duty cycle (10-minute cycle) | % | 50 | 60 | |
| Output current adjustment range | A | 50 to 200 DC | 60 to 350 DC | 60 to 500 DC |
| Output voltage adjustment range | V | 15 to 25 DC | 16 to 36 DC | 16 to 45 DC |
| Applicable welding process | ー | CO₂ / MAG | ||
| Applicable shielding gas | 一 | CO₂: 100 % CO₂, MAG: 80 % Ar and 20 % CO₂ |
||
| Applicable wire diameter | mm | 0.9 / 1.0 / 1.2 | 1.2 / 1.4 / 1.6 | |
| Applicable wire materials | ー | Mild steel / Mild steel FCW | ||
| Input power supply terminal | ー | Terminal block (M5 bolt fixing) | ||
| Output terminal | ー | Copper plate terminal (with M8 bolt) | ||
| External dimensions (width x depth x height) |
mm | 380 x 530 x 730 | 436 x 675 x 762 | |
| Mass | kg | 76 | 95 | 148 |
● View the required power supply capacity and cable thickness data
KF2 (with a remote control unit that requires no cable connection)
| Model number | YD-500KF2 | |
|---|---|---|
| Rated input voltage | V | 200 to 440 AC (200, 220, 380, 400, 440) |
| Number of phases, rated frequency | ー | 3-phase, 50 / 60 Hz |
| Rated input | kVA | 31.9 |
| kW | 28.1 | |
| Maximum open circuit voltage | V | 66 DC |
| Rated duty cycle (10-minute cycle) | % | 60 |
| Output current adjustment range | A | 60 to 500 DC |
| Output voltage adjustment range | V | 16 to 45 DC |
| Applicable welding process | ー | CO₂ / MAG |
| Applicable shielding gas | 一 | CO₂: 100 % CO₂, MAG: 80 % Ar and 20 % CO₂ |
| Applicable wire diameter | mm | 1.2 / 1.4 / 1.6 |
| Applicable wire materials | ー | Mild steel / Mild steel FCW |
| Input power supply terminal | ー | Terminal block (M5 bolt fixing) |
| Output terminal | ー | Copper plate terminal (with M8 bolt) |
| External dimensions (width x depth x height) |
mm | 436 x 675 x 762 |
| Mass | kg | 148 |
● View the required power supply capacity and cable thickness data
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