LIBO A1 inverter Portable ARC Welding Machine price Mosfet MMA250

  Arc Welding Machine 2014 The Most popular Portable ARC Welding Machine MMA250 Function and Features 1 Small size and light weight, easy to carry and easy to operate, economic and durable
2 Stable performance, automatic voltage compensation capability
3 Stable arc, deep melting pool, beautiful welding moulding
4 No-load power consumption is small, and electricity energy saving
5 Widely use in welding stainless steel products and ironware  Specifications

Model	MMA(ZX7)230	MMA(ZX7)250	MMA(ZX7)315	MMA(ZX7)400	MMA(ZX7)400B	MMA(ZX7)500
Input power voltage	sigle phase/220V	three phase/380V	three phase/380V	three phase/380V	three phase/380V	three phase/380V
Rate input power range	8.5	9.4	12.8	18.3	18.3	25.3
O.C.V	56	58	66	67	68	68
Output current range	20-230	20-250	20-315	20-400	20-400	20-500
Rate output voltage	29.2	30	32.6	36	36	40
Duty cycle	60	60	60	50	60	60
Efficiency	85	85	85	85	85	85
Power factor	0.93	0.93	0.93	0.93	0.93	0.93
Weight(kg)	10	17.2	28.5	30.5	34.2	34.2
Overall dimension	432*203*369	480*203*369	547*304*512	547*304*512	547*364*512	547*364*512
Insulation class	F	F	F	F	F	F
Protection class	IP23	IP23	IP23	IP23	IP23	IP23
ARC Force range(A)	0-50	0-100	0-100	0-100	0-100	0-100
Diameter rod(mm)	1.6-3.2	1.6-4	1.6-5	1.6-5	1.6-5	1.6-5

Remarks:    1.You can print your logo on the products or carton box. 2. We can match the spare parts of the machines for you. 3.If you have browse this kind of welding machine,choose me,pls feel free to contact me.   Factory Certificate  Operation   Our packing is double           Supply:      •  OEM sevice offered: Machine Color, Color Carton, Model or Other Stuff.      •  With standard spareparts: Electrode holder; Grounding Clamp, Brush and Mask.      •  One Year Warranty.      •  Technical Support.      Main Market:      Europe, North America,  South America , Southeast Asia, Middle East, Africa.      Accessories:     With standard spareparts: 2 Cable connectors(35-50), 1 screw driver   ARC Welding Machine Details:     MMA welding (metal arc) does not require shielding gas; protection for the weld pool comes from the electrode cover which melts during welding, and forms a protective layer of slag on the weld pool. When the welding is completed and the layer of slag is removed, the finished weld will be disvocered underneath.      MMA welding is the oldest and still the most commonly used arc welding process, although the proportion of MMA use is decreasing as gas-shiedled welding process is becoming more popular.      MMA welding is, however, an irreplacable method for instace when welding outside in windy conditions where using shiedling gas would be difficult. Another important benefit is that electrodes can be bought everywhere, also in small package.      PROSPER's range of MMA welding machines offers DC inverter constant-current type, AC Arc transformer type and AC/DC type machines for all user groups from home users to extensive industrial application.

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