SEI’s Direct Replacement for Schweitzer’s UPS

 

DC-UPS Applications

SEI’s DC UPS systems are designed to provide backed up DC power to a variety of critical applications.  Below are some typical examples

DC-UPS

For more information on DC-UPS Products, call us 301-694-9601 or email us

CONTACT US

FORM FACTOR

Designed to replace Schweitzer Engineering Lab’s discontinued UPS in form and fit, the SEI 150/48-SEL is a drop in replacement.  No need to change cabling or panel cutouts.

POWER

Overall output power is 150 watts (2.7 amps) 

TRIP/SURGE Current Support

The SEI/48-SEL will support surges up to 30Amps for 200ms.  When properly fused, all SEI DC UPS System will support a similar surge profile

OUTPUT

Individually fused (up to 15 amp fuse) terminal post output ports.

24 Vdc or 48 Vdc output.  Voltage regulation optional.

BATTERIES

  • 9 Ah battery provides up to 10 hours backup based on load.
  • Hot Swappable Batteries without taking system down.
  • LVD (Low Voltage Disconnect) protects batteries from over-discharge and extends battery life.
  • Automatic Monitoring and Load Testing for Battery Replacement.

COMMUNICATIONS

Integrated Alarm Contacts alert on loss of AC, battery test failure, and low battery voltage.

To view our Schweitzer Replacement UPS specification sheet, click here.

To view the full line of SEI DC UPS’s for other switch gear manufacturers click here

REQUEST A QUOTE

24Vdc
48Vdc

REQUEST A QUOTE

24Vdc
48Vdc

ISDN Power Products and DC UPS Systems from SEI are available on our GSA Contract GS-35F-0487W

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

CONTACT US

ISDN Power Products and DC UPS Systems from SEI are available on our GSA Contract GS-35F-0487W

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