LGK-120/200/300/400HD inverter air plasma cutting machine

Classification: High frequency plasma cutting machine

Product Introduction

LGK-120/200HD/300HD Pro/400HD inverter air plasma cutting machine

Main feature

Designed for mechanized cutting while also supporting handheld operation.
Equipped with digital control technology for precise operation.
100% duty cycle (at 40°C), suitable for heavy-duty industrial applications.
Features consumable life monitoring for the cutting torch.
High-precision sensor detection for gas pressure and coolant flow.
Advanced secondary menu functions, including independent pre-flow and post-flow time settings.
The LGK-120HD model offers a continuous pilot arc function, ideal for cutting grid plates.
Includes a gas test function, with the pressure regulator conveniently located on the front panel for easy adjustment.
The LGK-400HD model achieves Energy Efficiency Class 2.
Comprehensive protection features, including overheating, under-voltage, and fault code display for abnormal conditions.

Product application

Mainly used for carbon steel, alloy steel, non-ferrous metals and other metal materials cutting
Widely used in industrial power station installation, boiler pressure vessel, metallurgy, petrochemical industry, shipping, engineering machinery, steel structure manufacturing and other industries involved in metal cutting

Main technical parameters

Project name	unit	Model number
Project name	unit	LGK-120HD	LGK-200HD	LGK-300HD Pro	LGK-400HD
Input power supply	V/Hz	3~380±15% 50/60
Rated input capacity	KVA	21.2	46.5	70.4	92.3
Rated input current	A	32.5	70.9	100	142
Rated output current	A	120	200	300	400
Rated output voltage	V	128	160	200	200
No-load voltage	V	308	360	370	370
Duty cycle	-	100%(40℃）
Efficiency	-	92%			93%
Power factor	-	0.78		0.92
Output current adjustment range	A	30~120	40~200	60~300	60~400
Arc voltage output signal ratio	-	1:1/1:20/1:50/1:100(System default: 1:1)
Mass cutting capability (Carbon steel)	mm	20 (500mm/min)	32 (500mm/min)	40 (500mm/min)	48 (420mm/min)
Maximum cutting capacity (carbon steel)	mm	25 (280mm/min)	45 (250mm/min)	50 (270mm/min)	60 (250mm/min)
Hand cutting capacity (carbon steel)	mm	45	70	80	90
Plasma gas	-	Compressed air
Gas supply pressure	MPa	0.5 ~ 0.8
Coolant operating flow rate	L/min	-	≥2.7
Cutting torch cooling method	-	Air cooling	Air cooling, water cooling
Arc starting mode	-	Non-contact arcing
Power cooling system	-	Air cooling
Insulation class	-	Grade F
Case protection class	-	IP21S
Overall dimensions (L × W × H)	mm	675320605	863385800	985445910	1015445910
Net power weight	kg	46	86	119	148

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LGK-120/200/300/400HD inverter air plasma cutting machine

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