M1155 Series
  • AC/DC Converter
  • Single Output Up To 500W
  • Input range: 103-127 VAC* / 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
  • Obsolete, replaced by M1156
Standard - Select from the following list of common model configurations and request a quote.
ModelTotal PowerNormal Input Voltage RangeOutput ConfigurationPower Factor Correction
M1155-100100W103-127VAC / 400Hz / 3-Phase5V @ 20A No
M1155-101240W103-127VAC / 400Hz / 3-Phase12V @ 20A No
M1155-102300W103-127VAC / 400Hz / 3-Phase15V @ 20A No
M1155-103480W103-127VAC / 400Hz / 3-Phase24V @ 20A No
M1155-104504W103-127VAC / 400Hz / 3-Phase28V @ 18A No
M1155-105500W103-127VAC / 400Hz / 3-Phase48 V @ 10.4 Ano
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 available 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

Obsolete, replaced by M1156


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 Per Output Voltage Max Current
M1155 103-127 VAC*  Up to 500W  3.5" x 5.94" x 1.18" 1.53 lb 



5 to 50VDC 25A

   *Optional extended range: (95-140 VAC) Consult factory

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 +91 - 124 - 6510010 to discuss your requirements. Configurations created for specific requirements will be assigned a new variant part number.

Multisphere Power Solutions Pvt. Ltd.

Plot # 112, Sector-4, IMT Manesar
Haryana, Gurgaon-122050
Phone: +91 - 124 - 6510010
Fax: +91 - 124 - 4236010
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