Siemens SENTRON 3VA1 - Page 9

Table of contents
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
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4.10 EFB300 external function box .......................................................................................... 495
4.10.1 General information ......................................................................................................... 495
4.10.2 Power supply................................................................................................................... 496
4.10.3 Functions of the digital input and digital outputs ............................................................... 496
4.10.4 Zone selective interlocking (ZSI) ...................................................................................... 499
4.10.5 <SET> button .................................................................................................................. 501
4.10.6 Technical specifications ................................................................................................... 507
4.11 Test devices .................................................................................................................... 509
4.11.1 TD300 activation and trip box .......................................................................................... 509
4.11.1.1 Operation and execution of the TD300 tripping function ................................................... 510
4.11.1.2 Technical specifications of TD300 ................................................................................... 512
4.11.2 TD500 test device ........................................................................................................... 513
4.11.2.1 Operation and execution of test functions ........................................................................ 518
4.11.2.2 Executing the test functions using a PC and powerconfig................................................. 522
4.11.2.3 Parameterizing using the powerconfig software ............................................................... 523
4.11.2.4 Technical specifications of TD500 ................................................................................... 524
4.12 External current transformer for N conductor ................................................................... 525
4.12.1 Parameterization of the external N transformer ................................................................ 525
4.12.2 External current transformer for front busbar connector up to 630 A ................................. 526
4.12.3 External current transformer as straight-through transformer up to 1250 A ....................... 527
4.13 Escutcheon ..................................................................................................................... 528
4.13.1 Product description .......................................................................................................... 528
4.13.2 Labeling plate .................................................................................................................. 530
4.14 DIN rail adapter ............................................................................................................... 531
4.
14.1 Introduction ..................................................................................................................... 531
4.14.2 Information about installation, assembly and attachment ................................................. 532
5 Service and maintenance ........................................................................................................... 535
5.1 Notes .............................................................................................................................. 535
5.2 Regular maintenance ...................................................................................................... 535
5.3 Maintenance following tripping of a molded case circuit breaker....................................... 537
5.4 Fault diagnostics ............................................................................................................. 538
6 Technical specifications ............................................................................................................. 539
6.1 Circuit diagrams .............................................................................................................. 539
6.1.1 3VA1 molded case circuit breakers .................................................................................. 539
6.1.1.1 Basic units ....................................................................................................................... 539
6.1.1.2 Accessories ..................................................................................................................... 542
6.1.1.3 Example: 3VA1 molded case circuit breaker with built-on/built-in accessories .................. 547
6.1.2 3VA2 molded case circuit breakers .................................................................................. 548
6.1.2.1 Basic units ....................................................................................................................... 548
6.1.2.2 Accessories ..................................................................................................................... 550
6.1.2.3 Example: 3VA2 molded case circuit breaker with built-on/built-in accessories .................. 563
6.1.3 Application example ........................................................................................................ 564
6.2 Dimensional drawings ..................................................................................................... 565
6.2.1 Dimensions of basic units ................................................................................................ 565
6.2.1.1 3VA10 and 3VA11 ........................................................................................................... 565
6.2.1.2 3VA12 ............................................................................................................................. 567