ABB RELION 620 Series Technical Manual page 18

Table of contents
12
Signals........................................................................................364
Settings.......................................................................................365
Monitored data............................................................................366
Technical data............................................................................ 366
Power factor 55............................................................................... 366
Identification............................................................................... 366
Function block............................................................................ 367
Functionality............................................................................... 367
Operation principle..................................................................... 367
Application.................................................................................. 370
Signals........................................................................................371
Settings.......................................................................................372
Monitored data............................................................................373
Technical data............................................................................ 373
Thermal protection................................................................................373
Three-phase thermal protection for feeders, cables and
distribution transformers 49F........................................................... 373
Identification............................................................................... 373
Function block............................................................................ 374
Functionality............................................................................... 374
Operation principle..................................................................... 374
Application.................................................................................. 377
Signals........................................................................................378
Settings.......................................................................................379
Monitored data............................................................................379
Technical data............................................................................ 380
Three-phase thermal overload protection for power
transformers, two time constants 49T............................................. 380
Identification............................................................................... 380
Function block............................................................................ 380
Functionality............................................................................... 380
Operation principle..................................................................... 381
Application.................................................................................. 384
Signals........................................................................................386
Settings.......................................................................................387
Monitored data............................................................................388
Technical data............................................................................ 388
Thermal overload protection for motors 49M...................................388
Identification............................................................................... 388
Function block............................................................................ 389
620 series ANSI
Technical Manual