Technical Data
This chapter provides the technical data of the device SIPROTEC 7SC80 and its individual functions, including
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 500
4.2 Definite-Time Overcurrent Protection 50, 50N 509
4.3 Inverse-Time Overcurrent Protection 511
4.4 Directional Overcurrent Protection 67, 67N 527
4.5 Inrush Restraint 529
4.6 Dynamic Cold Load Pickup 530
4.7 Single-Phase Overcurrent Protection 531
4.8 Voltage Protection 27, 59 532
4.9 Negative Phase Sequence Overvoltage Protection 534
4.10 Voltage Protection for Vx 535
4.11 Negative Sequence Protection 46-1, 46-2 (Definite Time Characteristic) 536
4.12 Negative Sequence Protection 46-TOC (Inverse Time Characteristic) 537
4.13 Frequency Protection 81 543
4.14 Thermal Overload Protection 544
4.15 Ground Fault Detection (Sensitive/Insensitive) 546
4.16 Automatic Reclosing Function 553
4.17 Sectionalizer 554
4.18 Fault Locator 556
4.19 Breaker Failure Protection 50BF 557
4.20 Flexible Protection Functions 558
4.21 Synchronization Function 561
4.22 User-defined Functions (CFC) 563
4.23 Additional Functions 572
4.24 Switching Device Control 576
4.25 Additional Applications with 6 Voltage Inputs 577
4.26 Dimensions 580
4
SIPROTEC Compact, 7SC80, Manual 499
E50417-G1140-C486-A8, Edition 07.2017
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