P635 – SS822Z Power Voting Unit Description Description P635 – 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)3BSE081637R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE081638R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE066485R1 Read more