igbt Welding Machine

Specifications 1.Advance Mosfet inverter technology.

2. High arc-force.

 MMA-250 MOSFET Good arc-starting and arc force, it can resist disturbing stable arc and little spatter
High welding quality, deep penetration and strong strength
Auto protection of over-voltage and over-current
Be able to work continuously, it can balance automatically when voltage is waving
Suit for welding all kinds of basic welding rod
Be able to weld cellulose rod.

ITEM	MMA-250	MMA-315	MMA-400	MMA-500
Voltage/frequency	AC380V±10%50Hz/60Hz	AC380V±10%50Hz/60Hz	AC380V±10%50Hz/60Hz	AC380V±10%50Hz/60Hz
Rate input capacity(KVA)	9.5	12	12	12
Output current range(A)	20-250	30-300	30-400	30-500
Arc force range(A)	0-75	0-75	0-75	0-75
Duty cycle(%)	60	60	50	50
Output voltage(V)	30	32	35	40
No-load voltage(V)	54	69	69	57.5
Efficiency(%)	85	85	85	85
Power factor(COS)	0.93	0.93	0.93	0.93
Usable electrodes(mm)	1.6-4.0	3.2-5.0	3.2-6.0	3.2-8.0
Net weight(kg)	22	25	28	35
Cross weight(kg)	26	30	33	40
Protection class	IP21	IP21	IP21	IP21
Insulation class	B	B	B	B
Dimension(mm)	480*205*355	580*334*480	580*334*480	580*334*480

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Product Categories : inverter DC IGBT MMA welding machine