Key facts
- Brand
- Kemppi
- Model
- FastMig M 320
- Documents
- 7
- Languages
- ZH · PT · EN · ES · SV
- Last added
- 2023-11-03
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Kemppi FastMig M 320, 420, 520 Operating Manual
This manual covers the installation, operation, and maintenance of the Kemppi FastMig M 320, 420, and 520 power sources. These multi-purpose units are designed for demanding professional use in DC MMA and MIG welding applications. The document details setup procedures, including positioning and electrical connections, as well as the use of accessories like remote controls and wire feeders.
Read onlineKemppi FastMig M 320 specifications
| Mains voltage | 400 V, 3-phase |
|---|---|
| Power cable length | 5 m |
| Control fuse | 6.3 A time-delay |
| Protection rating | IP23S |
| Maximum installation inclination | 15 degrees |
| Cooling air clearance | At least 20 cm front and rear |
| Recommended welding cable cross-section, FastMig M 320 | 50-70 mm² |
| Recommended welding cable cross-section, FastMig M 420 | 70-90 mm² |
| Recommended welding cable cross-section, FastMig M 520 | 70-90 mm² |
| Short-circuit power requirement, FastMig M 420 | Ssc at least 5.6 MVA |
| Short-circuit power requirement, FastMig M 520 | Ssc at least 5.8 MVA |
| IEC 61000-3-12 compliance, FastMig M 320 | Not compliant |
| Continuous voltage withstand | 3 x 440 V |
| Automatic control stop voltage limits | Below about 300 V or above about 480 V |
Source: Kemppi FastMig M 320, 420, 520 Welding Power Source User Manual
All Kemppi FastMig M 320 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- Kemppi FastMig M 320, 420, 520 Welding Power Source User Manual 14 p
- Kemppi FastMig M 320, 420, 520 User Manual 14 p
- Kemppi FastMig M 320, 420, 520 Operating Manual 15 p
- Kemppi FastMig M 320, 420, 520 Operating Manual 14 p
- Kemppi FastMig M 320, 420, 520 User Manual 14 p
- Kemppi FastMig M 320, 420, 520 User Manual 14 p
- Kemppi FastMig M 320, 420, 520 Operating Manual 14 p
Questions answered in these manuals
What mains voltage can the FastMig M 320, 420 and 520 be connected to?
The power source can be connected to 400 V three-phase mains power.
From: Kemppi FastMig M 320, 420, 520 Welding Power Source User Manual
What fuse protects the auxiliary equipment?
A 6.3 A time-delay fuse on the rear wall protects the auxiliary equipment.
From: Kemppi FastMig M 320, 420, 520 Welding Power Source User Manual
What is the maximum cable cross-section for FastMig M 520?
70 – 90 mm².
What does the H12 LED indicate?
Thermal protection has been activated due to overheating.
What is the minimum short-circuit power required for the FastMig M 520?
The equipment complies with IEC 61000-3-12 provided that the short-circuit power Ssc is greater than or equal to 5.8 MVA.
Can the FastMig M 320 be connected to a public low voltage system?
No, this equipment does not comply with IEC 61000-3-12 and requires consultation with the distribution network operator before connection.
