MMA 250S / 138 / 168 / 250 / 250A
Function and Feature
- Small size and light weight, East to carry and easy to operate, economic and durable
- Stable performance, automatic voltage compensation capability
- Stable arc, deep melting pool, beautiful welding moulding
- No-load power consumption is small, and electricity energy saving
- Widely use in welding stainless steel products and ironware
- 1 year warranty
| Specification |
 |
MMA 138 |
MMA 168 |
MMA 250 |
| Input power voltage/Frequency (V/HZ) |
SINGLE PHASE 220±15% 50/60 |
SINGLE PHASE 220±15% 50/60 |
SINGLE PHASE 220±15% 50/60 |
| Rate input power capacity ( KVA ) |
4.4 |
5.3 |
7 |
| Output current range (A) |
10-140 |
10-160 |
10-200 |
| Rate output voltage (V) |
25.6 |
26.4 |
28 |
| ( 25°C ) Duty cycle( % ) |
50 |
60 |
50 |
| O.C.V ( W ) |
56 |
56 |
60 |
| Efficiency ( % ) |
85 |
85 |
85 |
| Power factor ( COS Φ) |
0.93 |
0.93 |
0.93 |
| Weight ( KG ) |
7 |
8 |
8 |
| Overall dimension ( mm ) |
290x132x213 |
371x153x299 |
371x153x299 |
| Insulation class |
F |
F |
F |
| Protection class |
IP23 |
IP23 |
IP23 |
| Diameter of rod ( mm ) |
1.6-3.2 |
1.6-3.2 |
1.6-3.2 |
| Specification |
|
MMA 250S |
MMA 250A |
| Input power voltage/Frequency (V/HZ) |
SINGLE PHASE 220±15% 50/60 |
SINGLE PHASE 380±10% 50/60 |
| Rate input power capacity ( KVA ) |
8.5 |
9.4 |
| Output current range (A) |
20-230 |
20-250 |
| O.C.V ( V ) |
56 |
58 |
| Rate output voltage (V) |
29.2 |
30 |
| ( 25°C ) Duty cycle( % ) |
60 |
60 |
| Efficiency ( % ) |
85 |
85 |
| Power factor ( COS Φ) |
0.93 |
0.93 |
| Weight ( KG ) |
10 |
17.2 |
| Overall dimension ( mm ) |
432x203x369 |
480x203x369 |
| Insulation class |
F |
F |
| Protection class |
IP23 |
IP23 |
| ARC Forge range ( A ) |
0-50 |
0-100 |
| Diameter of rod ( mm ) |
1.6-3.2 |
1.6-4 |
