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Siemens 7SJ85 - Application and Setting Notes

Siemens 7SJ85
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Application and Setting Notes
Setting Notes for the Protection Device in the Infeed
The Arc protection function operates with 1 stage.
Set the parameters of the stage as follows:
Parameter: Operating mode = current and light
Parameter: Sensor = line sensor
Parameter: External trip initiation = no
Parameter: Channel = Arc mod. 1 channel 1 (Stage 1) → Busbar compartment supervision (infeed,
feeder 1, feeder 2)
You can find more information about the settings of the parameters Threshold I> and Threshold 3I0>
in chapter 6.10.4 Application and Setting Notes – General Settings.
6.10.11.2
Protection and Automation Functions
6.10 Arc Protection
518 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017

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