SIMATIC S7-400, POWER SUPPLY PS405: 10A, WIDE RANGE, DC 24/48/60V DC 5V/10A, FOR REDUNDANT USE, ATEX APPROVAL MARKING SIMATIC S7-400, POWER SUPPLY PS405: 10A, WIDE RANGE, DC 24/48/60V, DC 5V/10A, FOR REDUNDANT USE, ATEX APPROVAL MARKING SIMATIC S7-400 Power supply module PS 405 10 AR for redundant use