Siemens SIRIUS 3RU - Page 161

Circuit diagrams
12.6 Internal circuit diagrams 3RB31
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
Manual, 09/2016, A5E03656507420A/RS-AB/003
161
3RB3133-....
Figure 12-18 3RB31 electronic overload relay, S2
3RB3143-....
Figure 12-19 3RB31 electronic overload relay, S3