... hardware board 2.high frequency; 3.competitive price; 4.ISO&CE installation inductor :inductor specification: primary110v,1150v,220v,230v,240v,frequency50 ... Ω,0.03Ω,0.05Ω,0.4Ω,and so oncertificate approval,UL ,CE;ROHS,ISO9001:2008 opt quality dielectric and insulation material, all ...