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 — —
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