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2.2.2
ETU350WJ
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
Alphanumerical display
Indicator: Fault in overcurrent release
Indicators: Reason for tripping
The reason for tripping is stored for at least two days provided that the electronic trip unit was
active for at least 20 minutes prior tro tripping.
Rotary coding switch: Value for delay of short-circuit protection
"CLEAR" button
Test socket
"TEST" button
"QUERY" button
Short-circuit protection fixed
Rotary coding switch: Value for short-time delay/short-circuit trip
Rotary coding switch: Value for overload trip
Indicator: Overcurrent release activated
Indicator: Overload alarm
Description
2.2 Electronic components
41
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