Emerson NetSur 721NPBB Quick Start Manual page 30

NetSure ™ -48V DC Power System
Quick Start Guide, QS582127000 (Issue AC, December 10, 2013)
Direct DC Input Connections to 588705000 List 41 Module Mounting Shelves
Refer to Figure 18.
Figure 18. Nominal 400 Volts DC Input and Equipment Grounding Connections to Module Mounting Shelf 588705000 List 41
(1 Feed per 1 Converter)
Conv. Conv. Conv.
1 2 3
Converter Module Mounting Slots
(front view)
+
Converter
Module 4 -
+
Converter
400VDC
IN -
Module 5
+
Converter
Module 6
-
FRAME GROUND CONNECTION
ONE 10-32 X 3/4" STUD
AND HARDWARE.
Recommended torque: 23 in-lbs.
Spec. No: 582127000
Model No: 721
NPBB
Holes for 3/4"
Conduit Fitting
(Input)
Conv. Conv. Conv.
4 5 6
Wire Size Capacity: 10-20 AWG.
Recommended Torque: 10 in-lbs.
INDIVIDUAL 400VDC CONVERTER FEEDS
1 FEED PER CONVERTER
Rear View
FRAME GROUND CONNECTION
ONE 10-32 X 3/4" STUD
AND HARDWARE.
Recommended torque: 23 in-lbs.
[22]
Holes for 3/4"
Conduit Fitting
(Input)
Rear View
+
Converter
-
Module 1
+ 400VDC
Converter
IN
-
Module 2
+
Converter
- Module 3
Code: QS582127000
Issue AC, December 10, 2013