For flasks, round bottom. Designed and technical identical to series KM-M, but in addition equipped with a power controller which allows a continuous adjustment of the heater power. Max. heating element temperature 450 °C. 1.5 m power supply (earthed) cable and residual-current circuit-breaker. Mains supply: 230 V AC. For flasks, round bottom. Designed and technical identical to series KM-M, but in addition equipped with a power controller which allows a continuous adjustment of the heater power. Max. heating element temperature 450 °C. 1.5 m power supply (earthed) cable and residual-current circuit-breaker. Mains supply: 230 V AC.