ABB RED650 Technical Manual page 914

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Section 25
Inverse time characteristics
908
GUID-B55D0F5F-9265-4D9A-A7C0-E274AA3A6BB1 V1 EN-US
Figure 431:
Inverse curve B characteristic of undervoltage protection
1MRK 505 394-UEN A
Line differential protection RED650 2.2 IEC
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