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ABB REQ650 User Manual

ABB REQ650
340 pages
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3
3
1
REQ650 (A01)
Z
SC
: High
Ph – ph short circuit
IEC10000149-1-en.vsd
IEC10000149 V1 EN
Figure 15: Fault for step 2 setting
In case of a three-phase short circuit in zone 1 reach in the shortest line from the busbar
as shown in figure
16, the current to the protection is I = 1.8 kA.
Section 3 1MRK 505 291-UEN A
REQ650 setting examples
50
Application manual

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ABB REQ650 Specifications

General IconGeneral
BrandABB
ModelREQ650
CategoryProtection Device
LanguageEnglish

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