Siemens Sentron 3VA Manual page 327

1. Assemble installation frame:
– Place mounting plates
– Bolt the profile rails
– Install rear interlock.
2. Bolt the assembled installation frame to the panel mounting plate.
No further work to the panel mounting plate is required.
The same rear interlock combinations can be implemented regardless of whether or not the
assembling aid is used.
Rear interlock for plug-in and draw-out units
In order to use a rear interlock for plug-in or draw-out versions of the molded case circuit
breakers, the tappet needs to be lengthened. The tappet extension transfers the interlocking
motion of the modules through the plug-in socket or the draw-out socket.
①
②
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
②
Interlocking module
Tappet extension
①
on the molded case circuit breaker.
to the adapter plates.
③
④
4.7 Locking and interlocking
Plug-in or draw-out socket
Molded case circuit breaker
Accessories
325