Siemens 7SR242 Duobias Technical Manual page 93

Transformer protection relay
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List of Figures
Figure 1-1: Binary Input Configurations Providing Compliance with EATS 48-4 Classes ESI 1 and
ESI 2 ......................................................................................................................................... 12
Figure 2-1
Thermal Overload Protection Curves........................................................................................... 27
Figure 2-2
IEC IDMTL Curves (Time Multiplier=1) ........................................................................................ 37
Figure 2-3
ANSI IDMTL Operate Curves (Time Multiplier=1) ........................................................................ 38
Figure 2-4
ANSI Reset Curves (Time Multiplier=1) ....................................................................................... 39
©2015 Siemens Protection Devices Limited
Chapter 3) 7SR242 Duobias Performance Specification
Chapter 3 Page 5 of 50

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