Siemens SENTRON 3VL System Manual page 110

Connecting
8.2 Main connection types for fixed mounting
Rear flat busbar terminals
Rear flat busbar terminals are used to adapt SENTRON VL630 to VL1600 circuit breakers to
switchboards or other applications that require rear connection. They are screwed direct to a
standard SENTRON VL circuit breaker without requiring any modification. A vertical or
horizontal connection is established, depending on the way the busbar terminals are
mounted to the rear of the circuit breaker. Circuit breakers mounted in switchboards or other
electrical equipment with the help of rear flat busbar terminals may be removed from the
front by removing the fixing screw that connects the circuit breaker to the terminal
Bus bars
For additional information, refer to the technical data in Chapter Configuration of main
connections (Page 150).
Connection with screw-type terminals
The screw-type terminal with metric thread slides onto the incoming and outgoing terminal of
the SENTRON VL circuit breaker and acts as a threaded adapter for connecting busbars and
cable lugs. The customer is responsible for providing screws and washers for the terminals
and busbars if the size specified below is exceeded. Screw-type terminals are supplied for
use wtih the SENTRON VL250 to VL1250 as standard
Connection with screw-type terminals
For additional information, refer to the technical data in Chapter Configuration of main
connections (Page 150).
110
Bus bars
Establishing a connection with screw-type
terminals
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01