Siemens SENTRON 3WA1 Manual page 174

Description
2.8 Communication and system connection
Technical specifications
Design of the power supply
DC power supply unit
Rated supply voltage Us
Operating range
Power consumption
Maximum current consumption
Starting current / maximum (for 5 ms)
Overvoltage category
Integrated short-circuit protection
Protected against polarity reversal
172
DC power supply unit
IEC 61558 SELV/PELV
24 V DC
U ± 20%
s
1.3 W
0.05 A
0.35 A
CAT I
✓
✓
Equipment Manual, 02/2023, 92310000002-06
3WA1 air circuit breaker