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Model No.: MMA-250I/315I/400I
Protection Class: IP21s
Warranty: 1 Year
Current Type: Direct Current (DC)
Model: MMA-250m/315m/400m
Application: DIY Welding
Brand: OEM
Packaging: Export Box
Dimensions: 400 x 200 x 385 mm
Origin: China
HS Code: 85153900
Product Description
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ITEM | MMA250I | MMA-300I | MMA-400I | MMA-500I | MMA-600I |
Rated Supply Voltage (V) | 380 | 380 | 380 | 380 | 380 |
Supply Frequency (Hz) | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 |
Rated Input Capacity (KVA) | 9.4 | 14 | 18.4 | 28 | 36 |
No-Load Voltage (V) | 65 | 67 | 67 | 72 | 72 |
Current Range (A) | 20–250 | 20–300 | 20–400 | 20–500 | 20–630 |
Rated Duty Cycle (%) | 60 | 60 | 60 | 60 | 60 |
Electrode Size (mm) | 1.6–5.0 | 2.0–5.0 | 2.0–6.0 | 2.0–5.0 | 2.0–8.0 |
Protection Class | IP21S | IP21S | IP21S | IP21S | IP21S |
Weight (kg) | 15 | 20 | 23 | 28 | 30 |
Machine Dimensions (mm) | 400 × 200 × 385 | 400 × 200 × 385 | 475 × 222 × 410 | 550 × 300 × 460 | 550 × 300 × 460 |
TECHNICAL DESCRIPTION AND FEATURES
1. Inverter technology with MOSFET switches, three-phase input, DC output.
2. Accurate digital display for welding current, precise control over arc force and welding parameters.
3. Excellent dynamic performance and high efficiency, ideal for industrial applications.
4. Easy arc starting, deep penetration, strong compensation capability, and minimal spatter.
5. Auto protection against sticking, overheating, and overcurrent.
6. Suitable for welding carbon steel, alloy steel, cast iron, stainless steel, and more.
7. Includes electrode holder, earth clamp, face mask, and hammer for complete DIY use.
1. Inverter technology with MOSFET switches, three-phase input, DC output.
2. Accurate digital display for welding current, precise control over arc force and welding parameters.
3. Excellent dynamic performance and high efficiency, ideal for industrial applications.
4. Easy arc starting, deep penetration, strong compensation capability, and minimal spatter.
5. Auto protection against sticking, overheating, and overcurrent.
6. Suitable for welding carbon steel, alloy steel, cast iron, stainless steel, and more.
7. Includes electrode holder, earth clamp, face mask, and hammer for complete DIY use.



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