Siemens 6MD85 Manual page 1127

Operate Curves and Dropout Characteristic Curves According to ANSI/IEEE
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Figure 11-9
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
Operate Curves and Dropout Characteristic Curves According to ANSI/IEEE
Technical Data
11.9 Overcurrent Protection, Ground
1127