Table of contents
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
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4.11 Test devices .......................................................................................................................... 360
4.11.1 Introduction ........................................................................................................................... 360
4.11.2 The TD300 activation and trip box ........................................................................................ 361
4.11.2.1 Operation and execution of the tripping function .................................................................. 362
4.11.2.2 Technical specifications of TD300 ........................................................................................ 364
4.11.3 The TD500 test device .......................................................................................................... 364
4.11.3.1 General information, preparations ........................................................................................ 364
4.11.3.2 Operation and execution of test functions ............................................................................ 369
4.11.3.3 Executing the test functions using a PC and powerconfig .................................................... 374
4.11.3.4 Parameterizing using the powerconfig software ................................................................... 374
4.11.3.5 Technical specifications ........................................................................................................ 375
4.12 External current transformer for N conductor ....................................................................... 376
4.13 Cover frame .......................................................................................................................... 378
4.13.1 Product description ............................................................................................................... 378
4.13.2 Labeling plate ........................................................................................................................ 380
5 Service and maintenance .................................................................................................................... 381
5.1 Notes ..................................................................................................................................... 381
5.2 Regular maintenance ............................................................................................................ 382
5.3 Maintenance following tripping of a molded case circuit breaker ......................................... 383
5.4 Fault diagnostics ................................................................................................................... 384
6 Technical specifications ...................................................................................................................... 385
6.1 Circuit diagrams .................................................................................................................... 385
6.1.1 3VA5 molded case circuit breakers ...................................................................................... 385
6.1.1.1 Basic units ............................................................................................................................. 385
6.1.1.2 Accessories ........................................................................................................................... 387
6.1.1.3 Example: 3VA5 molded case circuit breakers with accessories (external/internal) ............. 390
6.1.2 3VA6 molded case circuit breakers ...................................................................................... 391
6.1.2.1 Basic units ............................................................................................................................. 391
6.1.2.2 Accessories ........................................................................................................................... 392
6.1.2.3 Example: 3VA6 molded case circuit breakers with accessories (external/internal) ............. 402
6.1.3 Application example: Electrical interlocking of two 3VA UL molded case circuit
breakers with undervoltage releases .................................................................................... 403
6.2 Dimensional drawings ........................................................................................................... 404
6.2.1 Dimensions of basic units ..................................................................................................... 404
6.2.1.1 3VA51 ................................................................................................................................... 404
6.2.1.2 3VA52 ................................................................................................................................... 406
6.2.1.3 3VA61 / 3VA62 ..................................................................................................................... 407
6.2.1.4 3VA63 / 3VA64 ..................................................................................................................... 408
6.2.2 Dimensions of accessories ................................................................................................... 409
6.2.2.1 Connection technology ......................................................................................................... 409
6.2.2.2 Plug-in and draw-out units .................................................................................................... 416
6.2.2.3 Manual operators .................................................................................................................. 425
6.2.2.4 Motor operators ..................................................................................................................... 439
6.2.2.5 Locking and interlocking ....................................................................................................... 440
6.2.2.6 Communication and system integration................................................................................ 447
6.2.2.7 EFB300 external function box ...............................................................................................
448
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.2.2.8 MMB300 maintenance mode box ......................................................................................... 448
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