ABB ZS1 - Page 15

16 ABB Power Distribution
49.2
9.3
7
6
8
A B D
C
9
12.1
12
13
20
20.2
20.3
43
17
2
2
0
0
49.1
AV
Figure 3/5: ZS1 Feeder panel 12 kV, 1250 A, 31.5 kA
A Busbar compartment
B Circuit-breaker compartment
C Cable compartment
D Control cabinet
6 Earthing switch
7 Current transformer
8 Voltage transformer
9 Intermediate wall
9.3 Busbar rear wall
12 Mounting plate
12.1 Shutter
13 Withdrawable circuit-breaker part
17 Floor covering
20 Horizontal partition
20.2 Air vents
20.3 Flap
43 Duct cover
49.1 Pressure relief flap,expanded metal
49.2 Pressure relief flap, steel sheet