
Table of contents
Air circuit breaker 3WL10
4Manual, 11/2017, L1V30499596002-01
3.5 Breaker Data Adapters and test devices...........................................................................102
3.5.1 Overview..........................................................................................................................102
3.5.2 TD310 Activation & Trip Box.............................................................................................103
3.5.3 TD410 Breaker Data Adapter ...........................................................................................104
3.5.4 TD420 test device ............................................................................................................104
4 Application planning...................................................................................................................107
4.1 Types of installation and installation locations...................................................................107
4.1.1 Installation in the switchboard...........................................................................................113
4.2 Power supply, grounding, and connection.........................................................................116
4.2.1 Isolating distances and insulating equipment....................................................................119
4.2.2 Power loss .......................................................................................................................121
4.2.3 Armature plates................................................................................................................122
4.3 Communication planning..................................................................................................123
5 Connection and commissioning ...................................................................................................127
5.1 Safety regulations and information....................................................................................127
5.2 Mounting and connection .................................................................................................128
5.2.1 Tightening torques at a glance..........................................................................................128
5.2.2 Mounting connections.......................................................................................................129
5.2.3 Fixed breaker: Installing the circuit breaker.......................................................................135
5.2.4 Withdrawable breaker: Installing the circuit breaker / guide frame.....................................137
5.2.5 Installing accessories .......................................................................................................140
5.3 Function test of the ETU...................................................................................................144
5.4 Commissioning.................................................................................................................145
5.4.1 General tests....................................................................................................................145
5.4.2 Procedure for testing the accessories...............................................................................147
5.4.3 Final tests ........................................................................................................................149
6 Operation..................................................................................................................................151
6.1 Operation.........................................................................................................................151
6.1.1 Entering parameters.........................................................................................................155
6.1.2 Racking the circuit breaker (withdrawable breaker)...........................................................158
6.2 Alarms .............................................................................................................................161
6.3 Troubleshooting ...............................................................................................................167
7 Service and maintenance............................................................................................................169
7.1 Safety regulations.............................................................................................................169
7.2 Tests during inspections and after tripping........................................................................170
7.3 Maintenance intervals.......................................................................................................170
7.4 Enclosure, terminals, and control cabinet..........................................................................171