[td-kennl-amz-n-iec-oz-060802, 1, en_GB]
Figure 4-1
SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018
Trip time characteristics of inverse time overcurrent stage, acc. IEC (phases and earth)
Technical Data
4.3 Overcurrent protection (optional)
237