Functions   
4.1 Protection functions 
  3VL IEC molded case circuit breakers 
38  System Manual, 11/2013, 110 0110 - 02 DS 03 
 
Setting options of the overcurrent release 
VL160 to VL1600 
In view of the large number of setting options of the individual overcurrent releases, an 
overview in table form is useful for calculating the optimal operating point.  
Table 4- 3  Overcurrent tripping method - setting options 
Order No. 
supplement
Releases
Overload 
protection
Short-circuit protection 
(short-time delayed)
Short-circuit 
protection 
Ground-fault protection
5)
5)
5)
2)5)
4)
2)5)
4)
2)5)
2)5)
4)
2)5)
2)5)
4)
2)5)
2)5)
3)
3)
NA  ETU10  0,4 ... 1  —  —  1,25 ... 11  —  —