Siemens NXAIR Operating Instructions Manual page 200

Operating the contactor panel with panel width 600 mm
Permissible protection fuse-links
Rated voltage U
7.2
Supplier information:
Removing protection fuse-links for the control transformer
Preconditions
•
Set of proper protection fuse-links for the control transformer available
•
Contactor truck taken out of the panel
•
HV HRC fuse-links removed from the outer phases (1) and available
•
High-voltage door closed
Fig. 357: HV HRC fuse-links removed from the
200
NOTICE
Maloperation
Contactor trucks are exclusively designed for operation with specific protection
fuse-links for the control transformer.
Use only the fuse-link types listed in the following table.
Do not mount bridging links instead of protection fuse-links.
[kV] Supplier
r
Bussmann
(a business of Eaton)
www.eaton.com
NOTICE
Undetected damage
A tripped protection fuse-link for the control transformer can cause hidden
damages on the other protection fuse-links.
Always replace all protection fuse-links for the control transformer, even if
only one protection fuse-link has tripped.
outer phases
NXAIR / ≤ 40 kA
Order details
7.2ABWNA / 3.15 A / 142 mm
1
110-0134.9 / 14