Model Number

MMA-400/MMA-630/MMA-200(general)

1. IGBT inverter with SCM control and PWM technology

2. Outstanding welding performace as stable arc, deep pool, low spatter, good seam.

3. Applicable for rutile, basic and cellulose for optimal welding performance.

4. Efficiency Man Machine Communication, easy-to-read digital display which indicatie current and various welding parameter, single press-key knob control

5. Adjustable arc force and starting arc

6. 630A enables professional Carbon Arc Gouge function with up to 12mm gouging electrodes

7. Wide-range of input voltage from 290V to 480V. Enable to set voltage range according to customs enquirement.

8. Special anti-pollution inner structure with avoid dust and particles inside the control part in tough and dirty enviroments.

ITEMS	etal MMA 270	etal MMA-400	etal MMA-500	etal MMA-630
Input Voltage/Frequency	380V/50Hz~60Hz	380V/50Hz~60Hz	380V/50Hz~60Hz	380V/50Hz~60Hz
Suitable Range of Voltage	290V~480V	290V~480V	290V~480V	290V~480V
Phase	3	3	3	3
Rated Input Capacity	10kVA	16kVA	22.2kVA	31.6kVA
Rated No-load Voltage	49V	57V	63V	63V
Rated Welding Current	270A	400A	500A	630A
Insulated Class	F	F	F	F
Suitable Electrode	Various rutile and basic electrodes			Various rutile and basic electrodes, carbon
Suitable Electrode	2mm to 4mm	2mm to 5mm	2mm to 5.8mm	2mm to 5.8mm
100% Duty Cycle	270A	308A	400A	480A
Power Factor	0.9	0.9	0.9	0.9
Efficiency	90%	90%	90%	90%
Protection Functions	Lack Phase\ Over-Voltage\ Under-Voltage\ Over-Heating
Selecting Function of Knob	Igniting /Thrust /Current
Display	LED
Dimension(mm)	330*186*320	390*186*320	443*230*371	443*230*371
Net Weight	10kg	13kg	22kg	24kg
Length of Suitable Output cable	100m copper cable