Accessories
3.1 Accessories for connection and insulation
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
98
Manual, 10/2018, L1V30499596002-01
Horizontally / vertically orientable rear terminal for main circuit connection
The rear connection with variable orientation permits connection of connecting bars and
cable lugs to the rear of the guide frame. The rear main terminal is supplied mounted on the
flange of the guide frame and can also be rotated subsequently by the user.
Copper/aluminum cable connection bar
A cable lug is required for connection.
The circular conductor terminal is mounted on the vertically oriented rear terminals of the
guide frame.
A total of up to four cables with a maximum cross section of 240 mm
2
can be connected to
the cable terminal CuAl 4 x240 mm
2
.
Extended front connection
The extended front connection for the withdrawable breaker is an alternative to the rear
connection. It enables the connections to be accessed from the front. It is mounted directly
on the guide frame and projects beyond the guide frame contour.
Front connection bars, broadened
The front connection bars, broadened permit front connection of broadened connecting bars
and up to four cable lugs per phase and thus provide additional flexibility. They are screwed
to the extended front connections (not included in the scope of delivery) and protrude
beyond the guide frame contour.
Rear connection bars, broadened
The rear connection bars, broadened provide more space for connection of broadened
busbars. They are mounted on the horizontally oriented rear connections of the guide frame.