... 85~270V,suitable for use in different regions.(4) Intelligent power consumption inquiry, voltage inquiry.(5) 20 slots thermal slugs, ... over current hot IGBT, high temperature caution resistance to impact. Auto power-off protection works in 1 minute without boilers and 2 ... hours preset and 2 hours timing design4. Ad hoc computing power consumption, energy saving visible,5. Siemens IGBT, ultra-wide ...