Technical Specifications - Siemens S5-155U System Manual

6ES5 955-3NA12 Power Supply Unit
4.5.6

Technical Specifications

Safety specifications
Input
Rated input voltage U
EN
Undervoltage signal U
E
Input current I
EN
at rated load and U = 24 V DC
EN
Inrush current peak I
Emax
2
I t-value of inrush current
Efficiency at rated load and U
without fan
with fan
Stored energy time for power failure
Input fuse
Output 1
Rated output voltage U
AN1
Rated output current I
AN1
Ripple
Static voltage tolerances
at 10 % load variation
at 5 % variation of U
E
at temperature variation/1K
Dynamic voltage tolerances
at load surge from 50 % to 100 %
overshoot
settling time
Protection and monitoring
Overvoltage shutdown U
Undervoltage signal U
A1
Current limiting for overload
Test sockets for U
A1
I
A1
Signalling section
4 - 80
Important for the USA and Canada
The following approvals have been obtained:
UL Recognition Mark
Underwriters Laboratories (UL) to
Standard UL 508, Report E 116536
CSA Certification Mark
Canadian Standard Association (CSA) to
Standard C 22.2 No. 142, Report LR 63534
The power supply unit complies with standard
VDE 0160.
24 V DC +25 %/-16.66 %
≤ 20 V DC
4.8 A DC
100 A
2
20 A s
= 20 V
EN
0.71 typical
0.60 typical
> 5 ms
6 A fast, 250 V, 6.3 x 32 mm
5.1 V DC +/-0.5 %
10 A DC
≤ 1 % of U
≤ 0.02 % of U
≤ 0.04 % of U
≤ 0.02 % of U
≤ 5 % of U
≤ 5 ms
6 V ± 5%
A1
4.75 V + 5%
1.05 to 1.15 I
On front plate
On front plate (3 V = 10 A)
Linearity range 0.5 V/1.6 A to 3 V/10 A
Signals for SIMATIC S5
A1
A1
A1
A1
A1
AN1
C79000-B8576-C199-03
System Manual