Siemens SINOVA - Circuit Breaker Identification; Accessory and Rating Label

Description
2.1 Mechanical components
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
13
2.1.2 Circuit Breaker identification
2.1.2.1 Accessory and rating label
Circuit Breaker accessory label (with terminal assignments)
① Order no. of the Circuit breaker
⑥ Motor operating mechanism
② Supplement order no. of the further configured options
⑦ Auxiliary contacts
③ Shunt trip ST/F1 or electrical reclosing lockout
⑧ Undervoltage release UVR F3/F8
④ Closing coil/Y1
⑨ Shunt trip ST2/F2
⑤ Main conduction path