Table of contents
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
6
Manual, 10/2018, L1V30499596002-01
9
Dimension drawings ............................................................................................................................. 221
9.1
Fixed-mounted breaker ........................................................................................................ 221
9.1.1
Circuit breaker without connections ..................................................................................... 221
9.1.2
Front terminals for main circuit connection .......................................................................... 222
9.1.3
Front terminals for main circuit connection, extended ......................................................... 223
9.1.4
Front connection bars, broadened ....................................................................................... 224
9.1.5
Horizontally / vertically orientable rear connection .............................................................. 225
9.1.6
Circular conductor terminal, adapter 4x240 ......................................................................... 227
9.1.7
Switchboard panel, hole and drilling templates, fixed breaker ............................................ 228
9.1.8
Fixed-mounted version with mounting support .................................................................... 231
9.2
Withdrawable breaker .......................................................................................................... 232
9.2.1
Circuit breaker without connections ..................................................................................... 232
9.2.2
Horizontally / vertically orientable rear terminal for main circuit connection ........................ 233
9.2.3
Copper/aluminum cable connection bar .............................................................................. 234
9.2.4
Front extended terminal ....................................................................................................... 236
9.2.5
Front connection bars, broadened ....................................................................................... 237
9.2.6
Rear connection bars, broadened........................................................................................ 238
9.2.7
Switchboard panel, hole and drilling templates, withdrawable breaker ............................... 239
9.3
Further dimension drawings ................................................................................................. 242
9.3.1
Phase barrier ........................................................................................................................ 242
9.3.2
Door covers .......................................................................................................................... 242
9.3.3
Terminal cover ..................................................................................................................... 243
10
Circuit diagrams ................................................................................................................................... 245
10.1
Circuit diagrams of accessories ........................................................................................... 252
10.1.1
Tripped signaling switch (S24) ............................................................................................. 252
10.1.2
Spring charging motor (MO), spring charged signaling switch (S21), remote reset
magnet (RR) ......................................................................................................................... 253
10.1.3
Tripped signaling switch, toggle operating mechanism MCCB (TAS) ................................. 253
10.1.4
Leading changeover switch (S26)........................................................................................ 254
10.1.5
CT for grounded transformer star point (G_ret) ................................................................... 254
10.1.6
Summation current transformer (Rc CT) ............................................................................. 255
10.1.7
CB bus module..................................................................................................................... 256
10.1.8
External I/O module IOM300 ............................................................................................... 257
10.1.9
External current transformer for N conductor, for 3-pole circuit breakers only .................... 258
10.1.10
Tripped signaling switch via auxiliary release (S25) ............................................................ 258
10.1.11
Ready-to-close signaling switch (RTC) ................................................................................ 259
10.1.12
Undervoltage release / shunt release (UVR / ST2) ............................................................. 259
10.1.13
Time-delay device for UVR (external monitoring of UVR can be mounted on the DIN
rail) ....................................................................................................................................... 260
10.1.14
Closing coil (CC) / shunt release (ST) / actuator module (COM ACT) ................................ 261
10.1.15
Auxiliary switch AUX ............................................................................................................ 262
10.1.16
Auxiliary switch AUX 15, external ........................................................................................ 263
10.1.17
Optional voltage input, external neutral for the metering function of a 3-pole circuit
breaker ................................................................................................................................. 263
10.1.18
Position signaling switch PSS for guide frame .................................................................... 264
A
Appendix ............................................................................................................................................. 265
A.1
The article number system ................................................................................................... 265
A.2
Menu structure of the ETUs of the 6-series ......................................................................... 272