Siemens siprotec SJ62 User Manual page 472

Multi-functional protective relay with local control
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4.3 Inverse Time Overcurrent Protection 51, 51N
Figure 4-4
Dropout time and trip time curves of the inverse time overcurrent protection, acc. to ANSI/IEEE
470
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015

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