Siemens SENTRON 3VL System Manual page 109

Front flared busbar extensions
Front flared busbar extensions are used to establish busbar connections in switchboards or
other electrical equipment. Normal use enables them to be matched to the next largest
circuit breaker. Phase barriers are also included.
Note
Cannot be combined with extended terminal covers! Additional screw-type terminals are
required for the SENTRON VL160 and VL160X.
Flared busbar extensions
For additional information, refer to the technical data in Chapter Configuration of main
connections (Page 150).
Rear terminals
Rear terminals are used to adapt the SENTRON VL circuit breakers to switchboards or other
applications that require rear connection. They are bolted direct to a standard SENTRON VL
circuit breaker without requiring any modification. Circuit breakers mounted in switchboards
or other electrical equipment may be removed from the front by removing the fixing screw
that connects the circuit breaker to the terminal
Round terminals
For additional information, refer to the technical data in Chapter Configuration of main
connections (Page 150).
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
8.2 Main connection types for fixed mounting
Use of flared busbar extensions
Use of the terminals
Connecting
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