... full-load burning test Small bulk design,switch led Installed with EMI filter, minimum wave 2 years warranty HS-250W-15V ... : 1.5KvAC 1minI/P-FG: 1.5KvAC 1minO/P-FG: 0.5KvAC 1minInsulation impedance100M Ohms/500VDCCertificateCE ,ROHSPacking24pcsFeature:1,Low price and ... ,Soft-start current can reduce the AC input impact effectively5,With short-circuit and over load protection6,Compact size, light weight ...