Kemppi FastMig KM 300, 400, 500 Operating Manual

About this manual

This manual provides instructions for the Kemppi FastMig KM series (models 300, 400, and 500), which are three-phase network-operated MIG welding power sources designed for professional use. The document covers the introduction, positioning of the machine, connection to the mains, and the use of the control panel.

What's inside

• General
• Positioning of the machine
• Connection to mains
• Welding and earthing cables
• Starting of the power source
• Front panel indicators
• Use of the control panel
• Troubleshooting
• Maintenance
• Technical Specifications

Specifications

Frequently asked questions

What is the minimum short-circuit power required for the FastMig KM 500?

The device meets IEC 61000-3-12 requirements if the short-circuit power is greater than or equal to 4.6 MVA.

What is the recommended cross-sectional area for welding cables for the KM 300?

The recommended cross-sectional area for the KM 300 is 50-70 mm².

Can the FastMig KM be used in the rain?

No, the protection class IP235 allows only protection against splashing water and storage outdoors, not use in rain.