Description Description S315 – SS822Z Power Voting Unit With dual 24V d.c 20A inputs, single 24V d.c. 20A output. Each power input supervised. Used if redundant power supply is required. For use with power supply SD822Z. DIN rail mounted. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE088382R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE076940R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSC630049R1 Read more