Table of Contents
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9.9.23
9.9.24
9.9.25
9.9.26
9.9.27
9.9.28
9.10
9.10.1
9.10.2
9.10.3
9.10.4
9.10.5
9.11
9.11.1
9.11.2
10
Technical Data.......................................................................................................................................... 501
10.1
10.1.1
10.2
10.2.1
10.2.2
10.3
10.3.1
10.3.2
10.4
10.4.1
10.4.2
10.5
10.6
10.6.1
10.6.2
10.7
10.8
10.8.1
10.8.2
10.9
10.9.1
10.9.2
10.10
10.10.1
10.10.2
10.11
10.12
10.13
10.13.1
18
67 Directional Overcurrent - Phase............................................................................ 491
67G/67GS/67N Directional Earth Fault........................................................................493
78VS Voltage Vector Shift.......................................................................................... 494
87GH Restricted Earth Fault Protection - High-Impedance..........................................496
Supervision Functions .................................................................................................... 497
50BF Circuit-Breaker Failure Protection - 3 Pole......................................................... 497
60CTS CT Supervision................................................................................................ 497
60VTS VT Supervision................................................................................................ 498
74CC/74TC Close/Trip Circuit Supervision................................................................... 499
81HB2 Inrush Current Detection................................................................................ 499
Control and Logic Functions............................................................................................ 500
79 Automatic Reclosing............................................................................................. 500
Quick Logic................................................................................................................500
General Device Data........................................................................................................503
Instrumentation........................................................................................................ 503
21LB Load Blinder .......................................................................................................... 504
3 Phase Load Blinder (21LB-3P).................................................................................. 504
Single Phase Load Blinder (21LB-1P)...........................................................................504
27 Undervoltage Protection - 3-Phase ............................................................................ 506
Common Settings...................................................................................................... 506
Undervoltage Protection............................................................................................ 506
27Vx Undervoltage Protection - Vx ................................................................................ 507
Common Settings...................................................................................................... 507
Undervoltage Protection............................................................................................ 507
32 Power Protection ....................................................................................................... 508
37 Undercurrent Protection - Phase ............................................................................... 509
Common Settings...................................................................................................... 509
Undercurrent Protection............................................................................................ 509
37G Undercurrent Earth Fault - Measured.......................................................................510
46 Negative-Sequence Overcurrent Protection.................................................................511
Definite Time Element (46DT)....................................................................................511
Inverse Time Element (46IT)...................................................................................... 511
46BC Broken Conductor Detection...................................................................................513
Common Settings...................................................................................................... 513
Broken Conductor Detection...................................................................................... 513
47 Sequence Overvoltage Protection............................................................................... 514
Common Settings...................................................................................................... 514
Overvoltage Protection.............................................................................................. 514
49 Thermal Overload Protection...................................................................................... 516
50 Instantaneous Overcurrent - Phase............................................................................ 519
50AFD Arc Flash Detection.............................................................................................. 520
50GAFD Earth Arc Flash Detection............................................................................. 520
Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019
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