Table of contents
3VA molded case circuit breakers with IEC certificate
6 Manual, 03/2019, A5E03603177010-03
4.6 Motor operators ................................................................................................................331
4.6.1 MO310 side mounted motor operator ...............................................................................331
4.6.1.1 MANUAL, AUTO and LOCK modes ..................................................................................334
4.6.1.2 Closing, opening and resetting the 3VA molded case circuit breaker .................................336
4.6.1.3 Faults, causes of faults and rectification of faults ..............................................................338
4.6.2 Motor operator MO320 .....................................................................................................339
4.6.2.1 MANUAL, AUTO and LOCK modes ..................................................................................341
4.6.2.2 Opening, closing and resetting the 3VA molded case circuit breaker .................................342
4.6.2.3 Faults, causes of faults and rectification of faults ..............................................................346
4.6.3 SEO520 motor operator with stored energy operator ........................................................347
4.6.3.1 MANUAL, AUTO and LOCK modes ..................................................................................349
4.6.3.2 Closing, opening and resetting the 3VA molded case circuit breaker .................................350
4.6.3.3 Faults, causes of faults and rectification of faults ..............................................................353
4.6.3.4 Communication ................................................................................................................354
4.6.3.5 Accessories......................................................................................................................355
4.6.4 Technical specifications ....................................................................................................357
4.7 Locking and interlocking ...................................................................................................360
4.7.1 General information ..........................................................................................................360
4.7.1.1 Locking ............................................................................................................................360
4.7.1.2 Interlocking.......................................................................................................................361
4.7.2 Locking ............................................................................................................................363
4.7.2.1 Padlock device for the handle ...........................................................................................363
4.7.2.2 Cylinder locks for locking the 3VA molded case circuit breaker .........................................365
4.7.3 Front interlocking ..............................................................................................................369
4.7.3.1 Cylinder locks for implementing interlocks between multiple 3VA molded case circuit
breakers ...........................................................................................................................369
4.7.3.2 Sliding bar with Bowden cable: Modules for sliding bar with Bowden cable .......................374
4.7.3.3 Sliding bar ........................................................................................................................377
4.7.4 Rear interlock ...................................................................................................................379
4.8 Residual current devices ..................................................................................................386
4.8.1 Portfolio............................................................................................................................386
4.8.1.1 Possible combinations of residual current devices and 3VA circuit breakers .....................394
4.8.2 Residual current devices for mounting on circuit breakers .................................................395
4.8.2.1 Side mounted residual current devices Basic RCD310 and Basic RCD510 .......................397
4.8.2.2 Loadside residual current devices Basic RCD320 and Basic RCD520 ..............................415
4.8.2.3 Loadside residual current device Basic RCD520B ............................................................428
4.8.2.4 Loadside residual current device Advanced RCD820 ........................................................452
4.8.2.5 Special operating modes of residual current devices .........................................................469
4.8.2.6 Technical specifications ....................................................................................................472
4.8.3 Modular residual current device ........................................................................................478
4.9 Communication and system integration ............................................................................484
4.9.1 System description ...........................................................................................................484
4.9.2 Communication system of the 3VA molded case circuit breaker ........................................484
4.9.3 COM800 / COM100 breaker data server...........................................................................486
4.9.3.1 Area of application............................................................................................................487
4.9.3.2 Features ...........................................................................................................................488
4.9.4 Communication with ETUs ...............................................................................................488
4.9.4.1 Area of application............................................................................................................488
4.9.5 DSP800 display ................................................................................................................489
4.9.6 Commissioning and testing of electronic trip units using powerconfig ................................490
4.9.7 Power management with powermanager ..........................................................................494