Siemens Simatic S7-400

Backup for power failures > 20 ms
at a repeat rate of 1 s, meets NAMUR recommen‐
dation NE 21
Power consumption 105 W, PS 407 10A from product version 5
105 W, PS 407 10A R from product version 7
95 W, PS 407 10A from product version 10
Power loss 29.7 W
20 W, PS 407 10A from product version 10
Backup current maximum of 100 µA when power off
Back-up batteries (option) 2 x lithium AA,
3.6 V/2.3 Ah
Protective separation in accordance with
IEC 61131-2
Yes
*PS 407 10A: from product version 5
* PS 407 10A R: from product version 7
Power supply modules
3.8 Power supply modules PS 407 10A (6ES7407-0KA01-0AA0) and PS 10A R (6ES7407-0KR00-0AA0)
S7-400 Automation System Module Data
62 Reference Manual, Ausgabe 11/2016, A5E00850736-08