Siemens SENTRON 3VL160X System Manual page 107

Plug-in base: Connection on the front with busbar connection pieces
Plug-in bases simplify installation and removal of the 3VL molded case circuit breakers. The
molded case circuit breaker has been developed together with the plug-in base in such a
way as to prevent disconnection in the "ON" position. Busbars or cables can be connected
on the front. A connection cover is supplied and is to be used both for the incoming and the
outgoing side. An additional phase barrier for insulation between the connections is possible
(see Connection covers/barriers and phase barriers). If the molded case circuit breaker is in
the connected position, the primary voltage is supplied via multiple terminal contacts in the
guide frame.
Plug-in base (front)
Plug-in base: Connection on the back with flat busbar terminals
Busbars and cables can be connected on the back. Vertical and horizontal connections are
possible depending on the configuration of the connecting bars.
Plug-in base (rear)
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
7.3 Main connection methods for plug-in and withdrawable version
Plug-in base with busbar connection (busbar
Plug-in base with rear flat busbar terminals
Connecting
covers are not shown)
107