Utilitech 8-Outlet 2250-Joule Surge Protector with 6' Cord UTPB4120 Continuous duty electrical rating: 125v / 15A / 60Hz /1875W UL voltage protection rating: Tested to comply with UL 1449 3rd edition. Listed as type 3 SPD: 400V 3 line protection 2250 Joules 1 Nanosecond response time EMI/RFI noise filtration: 100kHz-30MHz up to 40 DB reduction