... of 220V power supply input of low power UPS, power regulator, power supply of monitoring room and other power supply of ... , easy installation, convenient maintenance;Product ModelDK-220AC40 E10 type power SPDBox materialAluminumProtection class of boxIP20Protection gradeC+DRated voltage Un( ... 95%Size(mm)127*92*55Weight(kg)0.52Applicable power supply systemTT, TN, ITWarranty20-YearOEM,private label is ...