ABB Relion REB500 Product Manual page 5

ABB
Distributed busbar protection REB500
Product version: 8.2
QB1 QB2 QB3 QB1 QB2 QB3
QA1 QA1
BI1 BI1
Figure 3. Triple busbar
Figure 4. 1 ½ breaker system
QB1
QB2
QB3
QB1 QB2 QB3 QB1 QB2
QA1
BI1
1MRK 505 352-BEN
Issued: 2016-03-01
QB3 QB1 QB2 QB3 QB1 QB2
QA1 QA1
BI1 BI1
Revision: -
QB3
5