... -48/25,DA20-48/20, DA20-48/10, DA10-24/50, DA10-24/30, DA10-24/25, DA20-24/20, DA20-24/10.DA series rectifier module ... . Easy to install and maintain3.Technic Specifications TypeItemDA10-48/50DA10-24/50AC inputVoltageSingle Phase+earthNorminal Working voltage 220V -32%/+25%(150 ... :B3 and IEC1000-4-51.2/50µs 6kV pulse8/20µs 3kA pulse0.5µs 100kHz ringEMI ComplianceVDE0871 Class A ...