Model NO.: ARC-300
Model: MMA-300 I/III Phase
Accessories: Electrode Holder and Earth Clamp
Component: Mosfet
Mosfet Number: 20PCS 3878
Diodes Number: 16PCS D92-02
Capacitor: 6 PCS 400V/470UF
Switch: 2p Air Switch
Trademark: as required
Transport Package: Carton
Specification: 500x263x421mm
Origin: Shenzhen, China
HS Code: 85153900
MOSFET Welding Machine Product Features:*Reliable quality, stable performance, automatic compensation for voltage fluctuation.
*High duty cycle, supports long time welding, with functions of overheat and overload protection.
*MOSFET welding machine offers a stable arc, aesthetic welding seam, deep welding pool, minimal spatter, and power force compensation function.
*Supports cellulose electrode welding.
*MOSFET welding machine starts arc easily, with independent control of arc-starting current.
*Environment-friendly design, energy-efficient, and suitable for various industrial applications.
*Easy to operate, with user-friendly interface and reliable after-sales service.
*Ideal for metal fabrication, construction, and automotive industries.
*Complies with international safety and quality standards.
*Customizable according to client requirements.
*Perfect for both professional and DIY users.
*Highly recommended for efficient and precise welding tasks.
Model: | MMA-300 I/III Phase |
Input Power Voltage Frequency (V, Hz): | AC220/380, 50/60 |
Rated Input Power Capacity (KVA): | 12 |
No-load Voltage (V): | 54 |
Output Current Range (A): | 20-300 |
Rated Output Voltage (V): | 32 |
Duty Cycle (%) (25°C): | 60 |
No-load Loss (W): | 60 |
Efficiency (%): | 85 |
Power Factor (cosφ): | 0.93 |
Insulation Class: | F |
Weight (KG): | 21 |
Overall Dimension (mm): | 500×263×421 |
Case Protection Degree: | IP21S |
Appropriate Rod Diameter (mm): | 1.6-4 |

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