Appendix
A.1 The article number system
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
271
Z option digital signaling switch
As standard, every ETU is delivered with a ready-to-close signaling switch (RTC) with four
auxiliary switches AUX 4CO and one tripped signaling switch (S24) with a standard contact.
These accessories can optionally also be ordered with digital and mixed contacts. You will
find more information in the catalogs for 3WL10 and 3VA27 (see Chapter Reference
documents (Page 10)).
For the withdrawable breaker, the position signaling switch 400 V AC is delivered as
standard with the guide frame. The guide frame signaling switch can also be ordered
optionally with digital contacts.
The spring charged signaling switch (S21) is delivered with standard contacts. It can
optionally be replaced by the version with a contact for the digital signal.
In the catalogs for 3WL10 and 3VA27, you will also find information on the configurable locks
and interlocking methods.
Compilation of the article number has been completed. The individually configured circuit
breaker can now be ordered with it.