electrical transformer ac12v-220v 50w 1. AC12V-220V 50W 2.PF: ... .98 3.Life span: 30000hours 4.Pass the EMC inspectio electrical transformer ac12v-220v 50w----GPL-ET50B-A Completely closed thin ... safe use.Circuit design reasonable, short-circuit overload protection circuit.Power factor greater than 0.99, no noise, no stroboscopic, long life. electrical transformer ...