Description
2.5 Protection functions
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
75
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 ETU 5-series and 8-series trip units
– via the buttons on the ETU display
– via a PC using powerconfig
Use of the 3VA UL molded case circuit breakers in line protection (Page 99)
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