Description
2.4 Electronic trip unit ETU
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01
35
2.4.1
Design of the electronic trip units
Electronic trip units of the 3-series
The following figure shows the maximum possible equipment of an ETU of the 3-series.
Depending on the ETU used, the number of rotary coding switches and LEDs can vary.
①
Active LED ACT
②
DIP switch
③
Rotary coding switch with LED
④
Test key
⑤
Connection socket for test devices TD310, TD410, and TD420
Display elements
ETU readiness can be indicated via the LED ACT.
Alarms and trips are indicated via the LEDs in the area of the rotary coding switches.
You will find the precise description and meaning of the LED states in Chapter Alarms
(Page 161).
Operator controls
The electronic trip units of the 3-series are equipped with rotary coding and DIP switches.
●
DIP switches: Setting the neutral protection and the line frequency
●
Rotary coding switch: Parameterizing the protection functions
See also
Entering parameters (Page 155)
Содержание SENTRON 3WL10
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Страница 8: ...Table of contents Air circuit breaker 3WL10 6 Manual 11 2017 L1V30499596002 01 ...
Страница 14: ...Introduction 1 3 Safety instructions Air circuit breaker 3WL10 12 Manual 11 2017 L1V30499596002 01 ...
Страница 21: ...Description 2 2 Possible uses and portfolio Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 19 ...
Страница 108: ...Accessories 3 5 Breaker Data Adapters and test devices Air circuit breaker 3WL10 106 Manual 11 2017 L1V30499596002 01 ...
Страница 128: ...Application planning 4 3 Communication planning Air circuit breaker 3WL10 126 Manual 11 2017 L1V30499596002 01 ...
Страница 152: ...Connection and commissioning 5 4 Commissioning Air circuit breaker 3WL10 150 Manual 11 2017 L1V30499596002 01 ...
Страница 170: ...Operation 6 3 Troubleshooting Air circuit breaker 3WL10 168 Manual 11 2017 L1V30499596002 01 ...
Страница 180: ...Technical specifications Air circuit breaker 3WL10 178 Manual 11 2017 L1V30499596002 01 ...
Страница 198: ...Dimension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 196 Manual 11 2017 L1V30499596002 01 ...
Страница 199: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 197 Circuit diagrams 10 ...
Страница 212: ...Circuit diagrams Air circuit breaker 3WL10 210 Manual 11 2017 L1V30499596002 01 ...
Страница 230: ...List of abbreviations C 1 Table of abbreviations Air circuit breaker 3WL10 228 Manual 11 2017 L1V30499596002 01 ...
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