Siemens SDV7-AR, Instruction Manual

Page: 16 / 56

16
Figure 5: Type SDV7-AR distribution circuit breaker with interphase barriers and bushing current transformers installed in primary compartment
2-4-6 1-3-5
Item Description
A Bushing current transformer (one per bushing shown)
B Phase barriers apply only in 27.6 kV and 38 kV
C Relay and control compartment
D Operator compartment
E High-voltage compartment
X1 X2 X3 X4 X5 X1 X2 X3 X4 X5 X5 X4 X3 X2 X1 X5 X4 X3 X2 X1
X X Y Y
Bushings
2-4-6 Bushings
1-3-5 Vacuum
interrupter
Current transformer positions Current transformer positions
Note: Arrangement shown with four sets of multi-ratio
current transformers (five-lead type). Consult drawings for
the specific quantity and location of current transformers on
your circuit breaker.
A
E
B
D C
B
B