Basic Design Switch-Disconnector Panel - Siemens NXAIR Operating Instructions Manual

Panel design
6.6

Basic design switch-disconnector panel

Fig. 31: Sectional view of switch-disconnector panel
Further information to design features and design options is given in catalog HA 25.71.
28
Switching-device
A
compartment
Busbar compartment
B
C Switch-fuse combination
D Low-voltage compartment
E Pressure relief duct
Operating mechanism for switch-fuse
(1)
combination
Operating mechanism for feeder
(2)
earthing switch
(3) Cable sealing ends
(4) Block-type current transformers
(5) Blades of the feeder earthing switch
(6) HV HRC fuse-links
(7) Blades of the switch-fuse combination
(8) Busbars
NXAIR / ≤ 40 kA
/ connection
110-0134.9 / 14