Accessories
3.2 Electromechanical accessories
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
105
3.2.3
Auxiliary, alarm, and signaling switches
①
Position signaling switch PSS for guide frame
②
Ready-to-close signaling switch RTC (S20)
③
Auxiliary switch (AUX1 - AUX2)
④
Auxiliary switch (AUX3 - AUX4)
⑤
Tripped signaling switch via auxiliary release (S25)
⑥
Tripped signaling switch (TAS)
⑦
Leading changeover switch (S26)
⑧
Tripped signaling switch (S24 - tripped by the electronic trip units)