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SEI’s DC-UPS Series Configuration Chart

Identifies standard and optional items available with the SEI DC-UPS Series

Parameters Options Notes
Voltages 24 V 48 V        
Power in Watts 125 250 500 750   1, 2
Battery (Amphrs) none 2.5 9 18 27 1, 4
No. of Connectors 1 2 4 6   1
Connector Type MOLEX-M AMP-A binding posts-P  
Power Management N/A Power Management Package (SNMP) 3
Remote Alarm Contact Closures 2

Notes:

  1. 125 watt units restricted to one output and 2.5 Ahr battery
  2. Remote alarm is an added cost option
  3. SNMP is an added option
  4. Larger battery capacity available with battery cabinets


Model numbers are based on the following structure:
(Voltage) - (Power) - (Battery Capacity) - (Connector Type) - (Management)
ex. SEI DC-UPS 48-500-18-AA-PMP

Battery Holdover Chart

Number of batteries to meet a required backup time for a stated output wattage at full load. At half loads, backup times would double

Load in Output Watts 125 250 500 750
BackupRequired        
30 Min st'd st'd st'd st'd
45 Min n/a st'd st'd 1 BP
1 Hour n/a st'd 1 BP 2 BP's
2 Hours n/a 1 BP 2 BP's 1 BC
4 Hours n/a 2 BP's 1 BC 1 BC
8 Hours n/a n/a n/a 2 BC's

Legend:

n/a - Not available on model
st'd - Standard battery backup time supplied with unit
BP - Add-on BP-U Battery Pack that can be ordered with the unit
BC - Battery cabinet with stationary batteries that can be ordered


For order information or technical support call us at
800-765-4734
 or email us using our Contact Us form


    >  RELATED FILES
SEI 48V DC-UPS Product Information Sheet
SEI 24V DC-UPS Product Information Sheet
Power Management Package
Custom Products and Installation
SEI DC-UPS Installation and Operations Manual
Power Management Package (PMP) User Manual
Advantages of DC-UPS's Whitepaper

 Applications include:
  • Wireless
  • Telecom
  • Industrial
  • SCADA
  • Security
  • Transportation
  • Solar Power

System Engineering International, Inc. • 5115 Pegasus Court • Suite Q • Frederick, MD 21704
Voice: (301) 694-9601 • Fax: (301) 694-9608 • Email: info@seipower.com

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