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April 02, 2018 (Coral Springs, FL) – UNIPOWER, the leading provider in power for mission critical applications and high efficiency systems, announced the Guardian Bulk M42 DC power system today. The new mid-range rack-mounted system is dedicated to servicing data centers, cable and telecom markets worldwide.

The Guardian Bulk M42 series is a 10RU high 19” rack-mounted DC power system that provides a bulk output of -48VDC. The configurable systems incorporate six rectifier shelves with up to 23 Guardian family high efficiency hot-swap rectifiers, with a maximum total current of 1200A (N+1). The rectifiers of the Guardian Bulk M42 series are internally fan cooled with speed control. The result is a function of load and temperature control, all while keeping acoustic noise to a minimum.

Key features of the Guardian Bulk M42 series include:

  • >96% Efficiency Rectifiers
  • 1200A (N+1) Capacity
  • Remote Monitoring and Control Capabilities
  • Field Replaceable Controller
  • Ethernet Communications with SNMPv3
  • 3 LED Alarm/Status Indicators
  • 10 Form-C Relay Alarms
  • Control for External LVD
  • LCD Display/Touchpad
  • Easy Installation
  • Three-year warranty

The Guardian Bulk M42 also features ACX advanced controller monitoring systems that control rectifier output and provides LED alarms in the event of system failures. It is also compatible with UNIPOWER’s free PowCom™ software which offers local and remote management through an advanced Windows graphical user interface.

The Guardian Bulk M42 will be on display at the upcoming Battcon show in Nashville, Tennessee at UNIPOWER’s booth (Booth #101).



UNIPOWER provides power for mission critical applications, with a complete line of the high-efficiency rectifiers, battery chargers, inverters and complete AC/DC power systems for telecom, energy, power utility and cable industries. UNIPOWER is headquartered in Coral Springs, Florida with global sales/service coverage and active installations in over 60 countries.

For media or product inquiries, contact: Michael Custodio 949.351.4443 OR Ashton Maxfield 949.396.0770