Siemens SENTRON 3VL System Manual page 111

Connection with cable lugs
Cable lug
Cable lugs (ring cable lugs) are used to connect the cables to the terminals of the circuit
breaker.
Cable lugs in accordance with DIN 46220 with a narrow flange are recommended (VL1 to
VL4).
Connection terminal for round conductors (copper/aluminum)
Round conductor connection terminals for the incoming supply and outgoing feeders consist
of an aluminum body with tin plating to prevent oxidation. Both aluminum and copper cables
may be used. Only one conductor is permitted per terminal.
Round conductor connection terminals are available for the SENTRON VL 160X to VL 400
circuit breakers. Additional screw-type terminals are required for the SENTRON VL 160X
and VL 160 circuit breakers.
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
Use of cable lug
No. 1
8.2 Main connection types for fixed mounting
Use of cable lug
No. 2
Connecting
Use of cable lug
No. 3
111