Circuit diagrams 
  10.1 Circuit diagrams of accessories 
3VA27 molded case circuit breakers & 3WL10 air circuit breakers 
Manual, 10/2018, L1V30499596002-01 
259 
 
Ready-to-close signaling switch (RTC) 
3WL10 / 3VA27 SE 
 
 
 
Undervoltage release / shunt release (UVR / ST2) 
3WL10/3VA27 SE + 3VA27 toggle