NetSure
™
-48V DC Power System
Quick Start Guide, QS582127000 (Issue AC, December 10, 2013)
Spec. No: 582127000
Code: QS582127000
Model No: 721
NPBB
Issue AC, December 10, 2013
[56]
Make Battery Connections
Refer to Battery Connections in the MAKING ELECTRICAL CONNECTIONS section of the Installation Instructions (IM582127000) for
complete procedures.
Recommended Torques
•
72 in-lbs for 1/4-inch hardware (when using standard flat and lock washer).
•
300 in-lbs for 3/8-inch hardware (when using standard flat and lock washer).
•
180 in-lbs for 3/8-inch hardware (when using a Belleville lock washer).
Battery Connections to Optional Battery Disconnect Distribution Panels
Battery strings are connected to the various battery disconnect distribution panels (if furnished) located inside the distribution cabinet.
See
Figure 44.
List BA: Battery Disconnect Distribution Panel (with Return Busbar) and
List BB: Battery Disconnect Distribution Panel (without Return Busbar),
(24) Bullet/TPS/TLS Circuit Breaker/Fuse Battery Disconnect Positions
-48VDC Battery
Connections
Battery Return
Connections
BATTERY AND BATTERY RETURN CONNECTIONS
1/4-20 Studs on 5/8” Centers
Maximum Lug Width: 0.625 inches.
(Customer must supply
or order additional
hardware)
Return Busbar
(not included with List BB)
Observe proper polarity
when making battery
connections.
WARNING!
Caution: A circuit breaker or fuse with a rating
of 100A or greater SHALL HAVE an empty
mounting position between it and any
other overcurrent protective device.