Vertiv™ NetSure™ 512
NGBB
-48 VDC Power System User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
28
Figure 4.3
Replacing a Bullet Nose Circuit Breaker
4.6.5
Circuit Card Replacement Procedures
WARNING!
Circuit cards used in this power system contain static-sensitive devices. Read the Static Warning at the front of
this document before performing any of the following procedures.
General
The following circuit card replacement procedures can be performed with the system operating.
Refer to Figure 4.4 or Figure 4.5 for circuit card locations.
CAUTION!
When performing any step in these procedures that requires removal or installation of hardware, use caution to
ensure no hardware is dropped and left inside the shelf; otherwise service interruption or equipment damage may occur.
NOTE!
When performing any step in these procedures that requires removal of existing hardware, retain all hardware for use
in subsequent steps.
Insert these terminals
into corresponding sockets
on distribution panel.
Longer Side
to the Bottom
Shorter Side
to the Top
Lettering on
handle must be
right side up.
Turn off
before installing.
