Table of contents
3WA Air Circuit Breakers
Equipment Manual, 05/2021, 92310000002-03
13
6.3.3.5 IT network capability ........................................................................................................ 458
6.3.4 Other properties .............................................................................................................. 459
6.4 Ambient conditions .......................................................................................................... 460
6.5 Installation altitudes......................................................................................................... 461
6.6 Standards ........................................................................................................................ 461
6.7 Approvals ........................................................................................................................ 462
6.8 Failure probability acc. to B10 and B10d ........................................................................... 463
6.9 Electromagnetic compatibility .......................................................................................... 466
7 Integration in power distribution equipment ................................................................................... 467
7.1 Factors that affect the rating of the circuit breaker ........................................................... 467
7.2 Compact design ............................................................................................................... 468
7.3 Derating in the power distribution equipment .................................................................. 469
7.3.1 Overview ......................................................................................................................... 469
7.3.2 Derating 3WA11 .............................................................................................................. 470
7.3.3 Derating 3WA12 .............................................................................................................. 474
7.3.4 Derating 3WA13 .............................................................................................................. 476
7.4 Insulation test of the power distribution equipment ......................................................... 478
7.5 Main connection .............................................................................................................. 479
7.6 Requirement according to IEC 61439 ............................................................................... 479
7.6.1 Standard IEC 61439 ......................................................................................................... 479
7.6.2 Simplified integration ...................................................................................................... 480
7.6.2.1 Structural integration in power distribution equipment..................................................... 480
7.6.2.2 Using 3WA circuit breakers in 3WL guide frames ............................................................... 481
7.6.2.3 Retrofit: Simple replaceability in existing power distribution equipment ............................
482
7.
6.2.4 Checklist for replacing 3WL with 3WA circuit breaker according to IEC 61439-2 ................ 486
7.7 Phase barriers and horizontal partitions ............................................................................ 488
8 Troubleshooting ................................................................................................................................ 491
8.1 Troubleshooting for circuit breaker................................................................................... 491
8.2 Troubleshooting for the ETU600 electronic trip unit.......................................................... 493
8.3 Troubleshooting for COM190 communication module...................................................... 496
9 Disposal.............................................................................................................................................. 497
9.1 End of maximum service life ............................................................................................ 497
9.2 Disposal of low-voltage circuit breakers ............................................................................ 497
9.3 Disposal of waste electronic equipment............................................................................ 497
A Appendix............................................................................................................................................ 499
A.1 Basic settings of parameter data sets ................................................................................ 499
A.2 ETU600 menu structure ................................................................................................... 501
A.3 Templates for coding the equipment variants in use ......................................................... 504
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