Siemens 3VA1 100 A Manual page 358

Accessories
4.8 Residual current devices
When installing the MRCD, the summation current transformer and the release, make sure
that they are positioned as close as possible to one another so that the cables from the
MRCD to the transformer and from the MRCD to the molded case circuit breaker/switch
disconnector are as short as possible (please observe the specified minimum clearances!)
Further information about the cables to be used is available on request.
Combinations of molded case circuit breaker, MRCD and shunt trip/undervoltage release
Modular residual current devices, molded case circuit breakers, and shunt trips or
undervoltage releases UVR can be combined as indicated in the tables below:
1)
358
Suitability for use with 3VA23 and 3VA24 molded case circuit breakers on request
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02