Accessories
4.7 Locking and interlocking
3VA molded case circuit breakers with IEC certificate
384 Manual, 03/2019, A5E03603177010-03
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.
Interlocking module
Plug-in or draw-out socket
Molded case circuit breaker
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.
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