3.3.7 Directional Check with Load Current.......................................................................... 216
3.3.8 Polarity Check for the Voltage Input U
4
.......................................................................217
3.3.9
Polarity Check for the Current Input Ι
4
....................................................................... 219
3.3.10 Measuring the Operating Time of the Circuit Breaker..................................................219
3.3.11 Check of the Signal Transmission for Breaker Failure Protection and/or End Fault
Protection................................................................................................................. 220
3.3.12 Testing User-defined Functions..................................................................................220
3.3.13 Trip and Close Test with the Circuit Breaker................................................................220
3.3.14 Switching Test of the Configured Operating Equipment............................................. 221
3.3.15 Triggering Oscillographic Recording for Test...............................................................221
3.4 Final Preparation of the Device........................................................................................223
4 Technical Data.......................................................................................................................................... 225
4.1 General...........................................................................................................................226
4.1.1 Analogue Inputs and Outputs.................................................................................... 226
4.1.2 Auxiliary Voltage....................................................................................................... 226
4.1.3 Binary Inputs and Outputs......................................................................................... 227
4.1.4 Communication Interfaces.........................................................................................228
4.1.5 Electrical Tests...........................................................................................................231
4.1.6 Mechanical Tests....................................................................................................... 233
4.1.7 Climatic Stress Tests.................................................................................................. 233
4.1.8 Deployment Conditions............................................................................................. 234
4.1.9 Construction..............................................................................................................234
4.2 Automatic reclosure function (optional).......................................................................... 235
4.3 Overcurrent protection (optional)....................................................................................236
4.4 Synchronism and voltage check (optional).......................................................................243
4.5 Under and over-voltage protection (optional).................................................................. 244
4.6 Circuit breaker failure protection (optional)..................................................................... 247
4.7 Monitoring Functions......................................................................................................248
4.8 User-defined Functions (CFC).......................................................................................... 250
4.9 Auxiliary Functions..........................................................................................................254
4.10 Dimensions.....................................................................................................................256
4.10.1
Panel Flush Mounting or Cubicle Mounting (housing size
1
/
3
)..................................... 256
4.10.2
Panel Flush Mounting or Cubicle Mounting (housing size
1
/
2
) .....................................257
4.10.3
Panel surface mounting (housing size
1
/
3
).................................................................. 258
4.10.4
Panel surface mounting (housing size
1
/
2
).................................................................. 258
A Ordering Information and Accessories.....................................................................................................259
A.1 Ordering information MLFB ordering code.......................................................................260
A.2 Accessories..................................................................................................................... 262
B Terminal Assignments..............................................................................................................................265
B.1 Housing for Panel Flush or Cubicle Mounting .................................................................. 266
B.2 Housing for Panel Surface Mounting................................................................................268
C Connection Examples............................................................................................................................... 271
C.1 Current Transformer Connection Examples......................................................................272
Table of Contents
14 SIPROTEC 4, 7VK61, Manual
C53000-G1176-C159-5, Edition 05.2018
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