Specifications

7SR242 Duobias Performance Specification
©2010 Siemens Protection Devices Limited Chapter 3 - Page 4 of 45
3.2 74TCS/CCS Trip/Close Circuit Supervision............................................................................43
3.2.1 Reference...................................................................................................................43
3.2.2 Operate and Reset Time............................................................................................43
3.3 81HBL2 Inrush Detector .........................................................................................................44
3.3.1 Reference...................................................................................................................44
3.3.2 Operate and Reset Level ...........................................................................................44
3.3.3 Operate and Reset Time............................................................................................44
3.4 81HBL5 Overfluxing Detector .................................................................................................45
3.4.1 Reference...................................................................................................................45
3.4.2 Operate and Reset Level ...........................................................................................45
3.4.3 Operate and Reset Time............................................................................................45
List of Figures
Figure 1-1: Binary Input Configurations Providing Compliance with EATS 48-4 Classes
ESI 1 and ESI 2 ...................................................................................................................9
Figure 2-1 Thermal Overload Protection Curves ................................................................................22
Figure 2-2 IEC IDMTL Curves (Time Multiplier=1)..............................................................................32
Figure 2-3 ANSI IDMTL Operate Curves (Time Multiplier=1) .............................................................33
Figure 2-4 ANSI Reset Curves (Time Multiplier=1).............................................................................34