Accessories
4.3 Connection system
3VA molded case circuit breakers with IEC certificate
238 Manual, 03/2019, A5E03603177010-03
Bus connectors edgewise can be installed to connect large busbars and compression lugs
outside the termination area of a 3VA molded case circuit breaker. The terminal of the
breaker is turned by 90° when bus connectors edgewise are fitted.
All bus connectors edgewise are supplied as standard with phase barriers to provide
insulation between individual phases. For further information, please refer to chapter
Insulating measures (Page 246).
An auxiliary connection can be implemented using a special control wire tap. For further
information, please refer to chapter Auxiliary conductor terminal (Page 269).
The table below provides an overview of the minimum sizes of cables and busbars which
can be installed using bus connectors edgewise.
Bus connectors edgewise can be ordered:
● as a pack of 3
● as a pack of 4
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