Power loss 20 W
Backup current maximum of 100 µA when power off
Back-up battery (option) 1 x lithium AA, 3.6 V/2.3 Ah
Protective separation in accord‐
ance with IEC 61131-2
Yes
Power supply modules
3.7 Power supply module PS 407 4A (6ES7407-0DA02-0AA0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 59
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