'(& )( )'& &) ( &!& ")& &$(( $# Ć %&( $# #)" &&#$
6 - 58
Siemens AG ⋅ May 1998
f) Diff-current limit for zero crossing measurement
(DA 6310/ZE)
Range: 0.2 to 4.0 I/I
no
Recommended setting: 0.5 I/I
no
g) Protection response during pick-up of automatic
testing
(DA 6312/ZE)
Setting possibilities: alarm only/protection
blocking
Recommended setting: alarm only
h) Supervision time of breaker failure protection reĆ
lease(DA 6314/ZE)
Range: 0.02 to 10 s
Recommended setting: 1 s
i) Delay time for supervision of the CBF release (DA
6315/ZE)
Range: 0.06 to 1 s
Recommended setting: 0.06 s
6.5.6.4 Overcurrent release of the bay trip comĆ
mand
(setting per bay; DA 65XX/ZE)
Range: 0 to 25 I
N
(I
N
= rated cur-
rent of current trans-
formers in feeder)
Recommended setting: depends on lowest short-
circuit current that can be
expected.
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