... series single-phase high accuracy full automatic AC voltage stabilizers one series four main products,are such constructed ... to obtain the steady statevoltage regulator,stabilizer,regulator,voltage stabilizer,automatic regulator, auto stabilizer,PVC stabilizer,PVC ... Debug time(With the input voltage variation of 10%) --* Efficiency>90% Voltage Over voltagePhase Voltage 246V4V Ambient temperature-10-+ ...