Appendix
A.1 The article number system
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
268 Manual, 10/2018, L1V30499596002-01
Withdrawable version without guide frame
Rear vertical (convertible)
Rear vertical (convertible)
Rear horizontal (convertible)
Rear horizontal (convertible)
Straight bus connectors extended
Front straight bus connectors extended
Front broadened bus connectors
Rear broadened bus connectors
Example article number, orientable, rear connection - mounted vertically:
Position 13: Spring charging motor (MO)
3WL10/3VA27 - stored energy operating mechanism
Spring charging motor (MO):
3VA27 - toggle operating mechanism
Example article number, spring charging motor 24 - 30 V AC / DC:
Position 14: Auxiliary release - closing coil (CC) and remote reset magnet (RR)
Without closing coil (CC) and without remote reset magnet (RR):
A
3WL10/3VA27 - stored energy operating mechanism