DC INVERTER MMA WELDING MACHINE (MMA270 IGBT)
Main Characteristic:   IGBT
1.Minizing,lightness, high quality and energy saving
2.Advance  arc force and arc-starting function can rest interference
3.Stable arc and little splash
4.High welding quality, deep pool and strong strength
5.Auto protection of over-current
6.Be able to work continuously,it can balance automatic, when voltage is waving
7.Suit for welding all kinds of basic welding rod
8.Be able to weld cellulose rod

TECHNICAL SPECIFICATIONS

Item\Model number		MMA250	MMA270	MMA315
Input voltage(V)		220	220	380
Rated input capacity(KW)		9	10	12
No-load voltage(V)		70	70	70
Output current range(A)		20-250	20-270	20-315
Drive adjustment range(A)		0-100	0-100	0-100
Duty cycle (%)		60	60	60
Efficiency (%)		90	90	90
Power factor		0.93	0.93	0.93
Insulation class		F	F	F
Protection class of case		IP21	IP21	IP21
Cooling method		Air cold	Air cold	Air cold
Overall Dimension(mm)		420*180*280	420*180*280	420*180*280
Gross Weight(Kg)		15.5	16	19.5