SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
465
Technical Data 4
This chapter provides the technical data of the device SIPROTEC 7SJ62/64 and its individual functions, includ-
ing the limit values that may not be exceeded under any circumstances. The electrical and functional data for
the maximum functional scope are followed by the mechanical specifications with dimensioned drawings.
4.1 General Device Data 466
4.2 Definite-Time Overcurrent Protection 50(N) 479
4.3 Inverse-Time Overcurrent Protection 51(N) 481
4.4 Directional Time Overcurrent Protection 67, 67N 492
4.5 Inrush Restraint 494
4.6 DynamiC Cold Load Pickup 495
4.7 Single-phase Overcurrent Protection 496
4.8 Voltage Protection 27, 59 497
4.9 Negative Sequence Protection 46-1, 46-2 499
4.10 Negative Sequence Protection 46-TOC 500
4.11 Motor Starting Protection 48 506
4.12 Motor Restart Inhibit 66 507
4.13 Load Jam Protection 508
4.14 Frequency Protection 81 O/U 509
4.15 Thermal Overload Protection 49 510
4.16 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s) 512
4.17 Intermittent Ground Fault Protection 517
4.18 Automatic Reclosing System 79 518
4.19 Fault Locator 519
4.20 Breaker Failure Protection 50BF 520
4.21 Flexible Protection Functions 521
4.22 Synchronization Function 524
4.23 Temperature Detection via RTD Boxes 526
4.24 User-defined Functions (CFC) 527
4.25 Additional Functions 532
4.26 Breaker Control 537
4.27 Dimensions 538
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