B.Technical date of AC single phase 1 stage filter/EMI filter Rated Voltage: 110/250VAC Rated Current@400.5A-250A Test Voltage: Line-line: 1760VDC/ Line-ground: 2000VAC Climatic category: 25/085/21 Operating frequency: 50/60Hz Certification: CE;EMC;RoHS;UL;NSF;ISO export standard packing