Siemens 3VA1 100 A Manual page 316

Accessories
4.8 Residual current devices
The side mounted residual current devices feature through-hole technology.
①
②
③
With this technology, the cables are simply guided through the summation current
transformer
breaker or switch disconnector.
The phase barriers
routing of cables.
316
Box terminals of the molded case circuit breaker
Phase barriers
Summation current transformer
③
and connected directly to the box terminals
②
not only ensure safe operation, but also serve as a guide for correct
①
of the molded case circuit
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02