M1155 Series
  • AC/DC Converter
  • Single Output Up To 500W
  • Input range: 95-140VAC / 400Hz / 3-Phase
  • EMI/RFI Filters Included
  • Efficiency 90% (Typical)
  • Operating Temperature: –55°C to +85°C
  • Designed to Meet: MIL-STD-461, MIL-STD-704, MIL-STD-810
Standard - Select from the following list of common model configurations and request a quote.
ModelInput Voltage RangeOut#1Power Factor Correction
M1155-100103-127VAC / 400Hz / 3-Phase5V @ 20A No
M1155-101103-127VAC / 400Hz / 3-Phase12V @ 20A No
M1155-102103-127VAC / 400Hz / 3-Phase15V @ 20A No
M1155-103103-127VAC / 400Hz / 3-Phase24V @ 20A No
M1155-104103-127VAC / 400Hz / 3-Phase28V @ 18A No
M1155-105103-127VAC / 400Hz / 3-Phase48V @ 10.4A No
Additional Configurations *
Designed to Spec **
* Additional Configurations - We can calibrate or customize any aspect of this device to your requirements, typically without NRE. Please contact us to learn more about avilable options.
** Designed to Spec - Challenge us with your requirements. No matter how complex, we will design and deliver the exact power conversion solution for your needs.

About the M1155 Series

The M1155 Series AC/DC converters feature a miniature, high density design and up to 500W of power. Designed for rugged applications, an efficiency of 86 to 90% (typical) and an operating temperature range of -55°C to +85°C (base plate) are achieved. Standard features include a wide input range, fixed switching frequency (250Khz) and  EMI/RFI filters. Designed to meet: MIL-STD-461, MIL-STD-704 and MIL-STD-810 this is the ideal unit for military, rugged, telecom and demanding industrial applications. 

(All specifications are factory configurable by a design engineer.)

Model Input Power (WxDxH) Weight
M1155 95 to 140VAC   Up to 500W  3.5" x 5.94" x 1.18" 1.53 lb 
Per Output Voltage Max Current    
Output #1 5 to 50VDC   25A    


All of our products can be configured to your specific requirements. Customers are invited to work with a design engineer to define the output, input range, protection limits and dimensions of the power solution which best meets their project needs. This can frequently be accomplished without NRE. Use the contact form to submit a request, or contact us at (603) 267-8865 to discuss your requirements. Configurations created for specific requirements will be assigned a new variant part number.

Milpower Source
P.O. Box 810
7 Field Lane
Belmont, NH 03220
United States
Phone: (603) 267-8865
Fax: (603) 267-7258
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