ABB REL650 series Technical Manual page 435

1MRK 506 335-UUS A
Technical manual
189
152
689
BH_LINE_A
989
989G
ANSI04000513 V1 EN
Figure 205: Switchyard layout breaker-and-a-half
Three types of interlocking modules per diameter are defined. BH_LINE_A (3) and
BH_LINE_B (3) are the connections from a line to a busbar. BH_CONN (3) is the
connection between the two lines of the diameter in the breaker-and-a-half switchyard
layout.
189G
289G
389G
6189
6289
152
289G
189G
BH_CONN
Section 11
Control
WA1 (A)
WA2 (B)
289
189G
152
289G
689
389G
BH_LINE_B
989
989G
en04000513_ansi.vsd
429