Ordering Guides

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095ORA-NS211 / 0315
Table A. Calculate the Number of Batteries and Rectifiers Needed
Enter the name, quantity and power consumption of each power system. The chart below will calculate the total power consumption for
each type of equipment entered as well as the number of batteries and rectifiers needed for the system.
Equipment Name Qty.
Power
Consump.
Each (Watts)
Power
Consump.
Total (Watts)
Total 48 VDC Load in Watts:
Battery Strings Required:
48 VDC, # of 40 A-Hr strings for 4 hour backup
48 VDC, # of 40 A-Hr strings for 8 hour backup
48 VDC, # of 105 A-Hr strings for 4 hour backup
48 VDC, # of 105 A-Hr strings for 8 hour backup
48 VDC, # of 155 A-Hr strings for 4 hour backup
48 VDC, # of 155 A-Hr strings for 8 hour backup
48 VDC, # of 180 A-Hr strings for 4 hour backup
48 VDC, # of 180 A-Hr strings for 8 hour backup
NetSure
™
211 Indoor System Rectifiers:
# of 500 watt rectifiers needed at 120 VAC input
# of 500 watt rectifiers needed at 240 VAC input
NetSure
™
211 Indoor System Rectifiers:
# of 1000 watt rectifiers needed at 120 VAC input
# of 1000 watt rectifiers needed at 240 VAC input
Note 1: Rectifier quantity includes one redundant unit for each.
Note 2: Power levels used for calculation are based on minimum available power per unit at minimum operating voltage 42 VDC at ambient of 45 °C.
Note 3: Battery parameters used in this chart are from Exide. Other vendor batteries may have different parameters.
Table B. Select a System Based on the Number of Rectifiers & Distribution Type Required
System Shelf Size Number of Rectifiers Distribution
Configuration 1 19" x 1 RU Up to 2 rectifiers 10 GMT fuse positions
Configuration 1 23" x 1 RU Up to 3 rectifiers 10 GMT fuse positions
Configuration 2 19" x 2 RU Up to 4 rectifiers
Up to 4 load breakers or
Up to 17 GMT fuses
Configuration 2 23" x 2 RU Up to 6 rectifiers
Up to 4 load breakers or
Up to 17 GMT fuses
Note: Click the system name to jump to that section.
Netsure 211 Ordering Guide
-48 VDC Power Solutions – Mini System
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