From old datasheet system Fast soft-recovery controlled avalanche rectifiers(快速软恢复可控雪崩整流器(400 V Fast soft-recovery controlled avalanche rectifiers(快速软恢复可控雪崩整流00V INNOLINE: RP50-S - Single Outputs up to 15A- Input/Output 1.6kVDC Isolation- Adjustable Output Voltage- No Minimum Load- Under -Voltage Lockout INNOLINE: RP50-xxxxSB - Single Outputs up to 20A; Input/Output 1.6kVDC Isolation; Adjustable Output Voltage; No Minimum Load; Under -Voltage Lockout