Vertiv
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NetSure 502NGFB Installation Manual (Section 6009)
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Rev. Z
42
To Bullet Nose-Type Load Distribution Circuit Breaker Positions (List BA and NA)
Load distribution (circuit breakers) and load return leads terminated in two-hole lugs are connected to
threaded studs located inside the Distribution Unit. Load leads are brought into the right side (as viewed from
the front) of the shelf and are accessible from the front of the shelf. Refer to
NOTE!
10-32 studs (w/hardware) on 5/8" centers are provided for these connections. Note that one
stud is used to secure lug, the other is used for anti-rotation. Recommended torque is 20 in-lbs when
using the supplied hardware.
Figure 18:
Load Connections to Bullet Nose-Type Distribution Circuit Breaker Positions Battery Connections to
Bullet Nose-Type Circuit Breaker Positions CO Ground Connection (List BA and NA)
Front
CO Ground, Circuit Breaker
Load Distribution, and Circuit
Breaker Battery Leads
Enter Here
Front
Portion of shelf removed
in illustration for clarity.
Leads are brought into
side of shelf, and tools
to secure lugs from
front of shelf.
OBSERVE PROPER
POLARITY WHEN
MAKING BATTERY
CONNECTIONS
Battery Return Leads
Load Return Leads
CO Ground Lead
10-32 studs (w/ hardware)
on 5’8” centers for installation
of customer provided two hole lugs.
-48V Battery
Leads
-48V Load
Distribution Leads
Load Distribution
Circuit Breakers
Battery Disconnect
Circuit Breakers
