● Permitted range
Static: 19.2 to 72 V DC
Dynamic: 18.5 to 75.5 V DC
Rated input current
7.3 A/3.45 A/2.75 A
Inrush current
Peak value 56 A Full width at half maximum 1.5 ms
Output variables
Output voltage
● Rated values
5.1 V DC/24 V DC
Output current
● Rated values
5 V DC: 20 A
24 V DC: 1.0 A
Parameters
Protection class pursuant to IEC 60536
I, with protective conductor
Overvoltage category
II
Pollution degree
2
Rated voltage U
e
0 < U
e
≤ 50 V
150 V < U
e
≤ 300 V
Test voltage
700 V DC (secondary <-> PE)
2200 V DC (primary <-> secondary/PE)
Backup for power failures
> 20 ms at a repeat rate of 1 s, meets NAMUR
recommendation NE 21
Power consumption
175 W
Power loss
51 W
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
Power supply modules
3.16 Power supply module PS 405 20A (6ES7405-0RA01-0AA0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
79