4.1.6 Mechanical Tests....................................................................................................... 287
4.1.7 Climatic Stress Tests.................................................................................................. 288
4.1.8 Service Conditions..................................................................................................... 289
4.1.9 Certifications............................................................................................................. 289
4.1.10 Design ......................................................................................................................289
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
4.22.1
Panel Flush and Cubicle Mounting (Housing Size
1
/
3
) ................................................. 341
4.22.2
Panel Flush Mounting and Cabinet Flush Mounting (Housing Size
1
/
2
) ........................342
4.22.3
Panel Surface Mounting (Housing Size
1
/
3
) .................................................................343
4.22.4
Panel Surface Mounting (Housing Size
1
/
2
) ................................................................. 343
4.22.5 Varistor..................................................................................................................... 344
A Ordering Information and Accessories.....................................................................................................345
A.1 Ordering Information 7SJ61 V4.9 ................................................................................... 346
A.2 Accessories..................................................................................................................... 349
B Terminal Assignments..............................................................................................................................351
B.1 Housing for Panel Flush and Cubicle Mounting................................................................ 352
B.2 Housing for Panel Surface Mounting................................................................................355
B.3 Terminal Assignment on Housing for Panel Surface Mounting..........................................358
B.4 Connector Assignment....................................................................................................360
C Connection Examples............................................................................................................................... 361
C.1 Connection Examples for Current Transformers, all Devices............................................. 362
C.2 Connection Examples for RTD-Box, all Devices................................................................. 367
Table of Contents
14 SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016
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