This document is a welding equipment operating manual, which introduces the use, maintenance and safety precautions of the equipment
This manual provides step-by-step instructions for installing, operating, and maintaining the Kemppi FastMig KMS 400 MVU welding power source. It covers positioning, electrical connections, control switches, welding procedures, and maintenance schedules. Safety precautions are emphasized, including proper grounding, avoiding operation in rain, and handling electrical components only by qualified personnel. The manual also includes technical data and disposal instructions.
| Rated Voltage | 230 V 3~ or 400 V 3~ |
|---|---|
| Cooling Fan Operation | Starts when main switch is placed into position I, runs during welding, and continues for 1–10 minutes after welding stops. |
The machine has an IP23S protection class, allowing for outdoor storage only, not operation in rain.
The surface inclination should not exceed 15 degrees.