The Telwin Welding Machine MOTOINVERTER 254 CE Description: 4-stroke, air cooled petrol engine with recoil starter; Shutdown for lack of oil; Over-fast engine safeguard; Continuous Welding Machine current adjustment; High current stability by variations in engine revs; Arc-force, hot start, anti-stick devices; Welding Machine machine-generator selector switch; Thermostatic protectiont.