Features: High power round transformer, low work noise, Low magnetic leakage, high efficiency Device infixed to prevent front thunder and over voltage Automatic over current and short circuit Automatic reset circuit. Sound Light alarm Inside power Plug-in and tree- way feed output Ranging from 3Amps to 10Amps. Technology Parameter Item UnitForwardRemark FrequencyMHZ5-1000 Input voltageAC220í+10% Output voltageAC60v í+ 10% Plugging lossDB< or =0.5 Return lossDB>15 Return timeS5 í+5 Max output current Sum of all output current must be under the MAX current VolumeMn270mn*195 Dimensionsmm268*212*197 WeightKGS6.7.