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Three Board Igbt Inverter dc Arc Welding Machine

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Product Description

APPLICATIONS
•Heavy and medium metal workshops
•Metallic structures
•Solar and wind industry Shipbuilding
•Railway, Mining and Oil Industry Pipelines
•Services, repair and maintenance

FEATURE
•Inverters with three-phase power supply for MMA welding in direct current (DC).
•Good arc-starting and arc forcejt can be resist disturb.
Stable arc and little splash
•High welding quality.deep bath and strong strength.
•Auto protection of over-voltage and over-current.
•Be able to work continuously.it can balacne automatic when volatge is waving.
•Suit for welding all kind of basic welding rod .
•Versatility characteristic:Aloft,inrernal decoration,field workers

FUNCTIONS

	MMA-250	MMA-315A	MMA-400A
Power voltage (V)	AC 380V±15%, 50HZ	AC 380V±15% 50HZ	AC 380V±15% 50HZ
Rated input capacity(KVA)	8	8.5	10.5
Rated output(A)	220A/28.8V	230A/29.2V	270A/30.8V
Output current range (A)	30-220	30-230	30-270
no-load voltage (V)	75	75	75
Duty cycle(%)	60	60	60
Efficiency(%)	85	85	85
power factor	0.93	0.93	0.93
Insolation class	F	F	F
Protect class	IP21S	IP21S	IP21S
Usable electorde(mm)	1.6-5.0	2.0-7.0	2.0-7.0
Dimension(mm)	455X200X330	555X290X410	555X290X410
N.W.fKG)	8.5	10.3	11.6