Technical Data
This chapter provides the technical data of the device SIPROTEC 7SJ61 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 280
4.2 Definite-time Overcurrent Protection 290
4.3 Inverse-time Overcurrent Protection 292
4.4 Inrush Restraint 302
4.5 Dynamic Cold Load Pickup 303
4.6 Single-phase Overcurrent Protection 304
4.7 Negative Sequence Protection (definite-time characteristic) 305
4.8 Negative Sequence Protection (inverse-time characteristics) 306
4.9 Motor Starting Time Supervision 312
4.10 Motor Restart Inhibit 313
4.11 Load Jam Protection 314
4.12 Thermal Overload Protection 315
4.13 Ground Fault Detection (Sensitive/Insensitive) 317
4.14 Intermittent Ground Fault Protection 324
4.15 Automatic Reclosing 325
4.16 Breaker Failure Protection 326
4.17 Flexible Protection Functions 327
4.18 Temperature Detection 329
4.19 User-defined Functions (CFC) 330
4.20 Auxiliary Functions 336
4.21 Switching Device Control 340
4.22 Dimensions 341
4
SIPROTEC 4, 7SJ61, Manual 279
C53000-G1140-C210-6, Edition 05.2016
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