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
[48]
Make Load Connections
Refer to Load Connections in the MAKING ELECTRICAL CONNECTIONS section of the Installation Instructions (IM582127000) for complete
procedures.
Loads are connected to the various distribution panels located inside the distribution cabinet. See
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).
Load Connections to Single Voltage Distribution Panels
Figure 30.
List AA: -48V Distribution Panel (with Return Busbar) and
List AB: -48V Distribution Panel (without Return Busbar),
(24) Bullet/TPS/TLS Circuit Breaker/Fuse Positions
-48VDC Load
Connections
Load Return
Connections
LOAD AND LOAD RETURN CONNECTIONS
1/4-20 Studs on 5/8” Centers
(Customer must supply or order additional hardware)
Maximum Lug Width: 0.625 inches.
Return Busbar
(not included with List AB)
Observe proper
polarity when making
load 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.