Hwayuan Electric LGK-120HD, Manual Instruction

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4
7) Use it under altitude lower than 1000m.
4 Technical Parameters
4.1
Main Technical Parameters
LGK-120HD LGK-200HD LGK-300HD LGK-400HD
Rated input voltage 3
～
380/415V 50/60Hz
Rated input capacity 21.23VA 46.5kVA 70.42kVA 92.34kVA
Rated output current 120A 200A 300A 400A
Rated output voltage 128V 160V 200V 200V
Rated duty cycle 100% 100% 100% 100%
Open circuit voltage 308VDC 319VDC 370 VDC 370VDC
Current adjust range 30
～
120A 40
～
200A 60
～
300A 60
～
400A
Quality Cutting Thickness
(Carbon steel, manual cutting)
0.3
～
25mm 1
～
45mm 1
～
50mm 1
～
60mm
Max. Cutting Thickness
(Carbon steel, manual cutting)
45mm 65mm 80mm 90mm
Plasma gas Compressed Air
The working plasma gas
pressure
0.3
～
0.5MPa 0.4
～
0.6MPa 0.4
～
0.6MPa 0.4
～
0.6MPa
Torch cooling mode Air Cooling Air Cooling / Water Cooling
Arc striking mode HF
Insulation grade F
Protection grade IP21S
Dimension mm(L×W×H) 675×320×605
863×385×800 985×445×910 1015×445×910
NET WEIGHT 46kg 86 kg 129 kg 148 kg
4.2
Plasma gas condition

Gas pressure range
：
0.5MPa
～
0.7MPa

Gas supply pipe compression strength
：
≥1MPa

Gas supply pipe inner dimension
：
≥Φ8

Gas flow
：
≥180L/min

Filter the water in the gas, then feed into the plasma
4.3
External characteristic curve
Model
Parameters