Siemens 3VA1 100 A Manual page 292

Accessories
4.7 Locking and interlocking
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
The rear interlock for plug-in or draw-out units is available as a complete kit containing all the
required components:
● Two interlocking modules
● Mounting accessories
● Interlocking rod
● All the required tappet extensions
An installation aid must be ordered separately if it is required.
Interlock combinations
The same rear interlock combinations can be implemented for plug-in and draw-out versions
as for fixed-mounted versions.
292
Interlocking module
Tappet extension
③
Plug-in or draw-out socket
④
Molded case circuit breaker
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02