Siemens SIMATIC Manual page 37

Block diagram PS 307; 5 A
Figure 2-2
Line protection
The mains supplies of the PS 307; 5 A power supply module should be protected with a
miniature circuit-breaker (for example Siemens 5SN1 series) of the following rating:
● Rated current at 230 V AC: 6 A
● Tripping characteristics (type): C.
Reaction to atypical operating conditions
Table 2- 2 Reaction to atypical operating conditions of the PS 307; 5 A power supply module
If ...
the output circuit is overloaded:
•
I > 6.5 A (dynamic)
5 A < I ≤ 6.5 A (static)
•
short-circuit at the output
overvoltage on primary side
undervoltage on primary side
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
2.2 Power supply module PS 307; 5 A; (6ES7307-1EA01-0AA0)
Block diagram of the PS 307; 5 A power supply module
... then ...
Voltage dip, automatic voltage recovery
Voltage drop, reduction of service life
Output voltage 0 V; automatic voltage recovery after short-circuit
is eliminated
risk of destruction
Automatic shutdown; automatic voltage recovery
Power supply modules
DisplayDC 24 V
flashes
off
-
off
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