Siemens SENTRON 3VA1 Manual page 83

Example of a neutral conductor protection characteristic
①
②
Adjustment of neutral conductor protection settings
The tripping current I
● for ETU 3-series via rotary selector switches
● for ETUs 5-series and 8-series
– via the buttons on the ETU display
– via a PC using powerconfig
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
Response threshold of the neutral conductor protection
Response threshold of the long-time delayed protection
can be adjusted:
N
Description
2.6 Protection system
81