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In-depth look Majortel 48vdc power system

February 16, 2015 | Technical Info,

We wanted to highlight one of our Majortel 48vdc Power Systems and provide you with more technical details about the design of this power system.  This complete 48vdc power system is suitable for applications with or without battery backup.  The system kit includes all the parts for a plug & play installation to operate multiple 48vdc data, IT and communication equipment.

Majortel 48vdc power system: MTS48/30BL-1U
Circuit Breakers-Small Plug-In Style

The MTS48/30BL-1U 48vdc power system is designed with the integrated load circuit-breaker distribution bay.  Users can quickly establish circuit status using the front access visual indicator; a part of the red colored rocker-switch case.  The plug-in circuit breakers are field changeable and available in a variety of current ratings.

The battery circuit breakeMTS48/30BL-1U Frontr, integrated for maintenance disconnect convenience, is located on the front next to the load distribution.  The circuit breaker separates the battery connection from the main rectifier and load bus when open.


The battery circuit breaker operates independently from the low voltage disconnect (LVD) that is part of the same battery protection circuitry.

The output terminal strip is located on the system backplane for securing load wires using screw connections  Form-C Alarms and Temperature Probe connections are available as well.  The ambient temperature probe ships as a standard part with the system kit.


Each rectifier connection source should be engineered to provide 10A current at 120VAC.  Care should be taken to confirm the electrical service for the application is appropriately sized.  Only attach the line cord sets, supplied in the kit, to the properly rated NEMA 5-15R receptables.  The pre-engineered cable is a NEMA 5-15P to IEC320-C13 (right angle) with a length of 6 feet end-to-end.

Find out more information on this specific 48vdc power system!

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