Description
2.6 Protection system
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
81
Example of a neutral conductor protection characteristic
Response threshold of the neutral conductor protection
Response threshold of the long-time delayed protection
Adjustment of neutral conductor protection settings
The tripping current I
N
can be adjusted:
● 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
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