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For order
information or
technical support
call us at
301-694-9601
or email us using our
Contact Us form
System Engineering International's
48 Volt DC-UPS Series "a DC Plant in a Box"

48V DC-UPS Series Wall or Rack mount or NEMA enclosure

SEI 48Vdc UPS SERIES - Provides 48 Vdc with Internal Battery Backup from 125 to 1800 watts of output power

FEATURES - The SEI 48 Volt DC-UPS Series is designed for maximum reliability while providing outstanding command and control functionality in three form factors.

Output Ports
Up to 10 individually fused ports. User specified connectors include Amp Mat-N-Lok, Molex MiniFit Sr. or 10/32 terminal studs.

Secondary Voltages
Optional DC-DC converters allow two secondary outputs of regulated 5V, 12V, 15V, 24V, and 48V to power differing voltage loads

N+1 Redundancy "Fall back" power by use of parallel rectifiers.

Batteries 9 Ahr battery, 10-150 minutes backup based on load.
Increased Battery Holdover with external Battery Pack or Battery Cabinet.
Hot Swappable without taking system down.
LVD (Low Voltage Disconnect) protects batteries from over-discharge.
Automatic Monitoring and Load Testing for Battery Replacement.
Optional Remote Alarm for AC Power/battery test failure indication.

SNMP Power Management Package (PMP) option

For specifications, view the Product Information Sheets:
48V DC-UPS Wall/Rackmount Series
48V DC-UPS 2U Series


For order information or technical support call us at
301-694-9601
or email us using our Contact Us form


    >  RELATED FILES
SEI 48V DC-UPS Product Information Sheet
SEI 24V DC-UPS Product Information Sheet
2U Rackmount 48 Volt DC-UPS Product Information Sheet
2U Rackmount 24 Volt DC-UPS Product Information Sheet
Power Management Package
Custom Products and Installation
SEI Mobile Backup Power Systems
SEI DC-UPS Installation and Operations Manual
Power Management Package (PMP) User Manual
Advantages of DC-UPSs Whitepaper

 Applications include:
  • Wireless
  • Telecom
  • Industrial
  • SCADA
  • Security
  • Switch Gear
  • Transportation
  • Solar Power
  • Process Control

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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