M1156 Series
AC/DC Power Supplies
Three Phase

Key Features

Product Type:Power Supply
Input Power:103-127VAC | Three Phase | 50/60/400Hz
Output Power:500W
Filters:EMI Filters Included
Operating Temp.:-55°C to 85°C
Designed to Meet:MIL-STD-704 | MIL-STD-810 | MIL-STD-461

LEGACY PRODUCT – Not for new design. See comparable product  M1158

Standard Configurations

Model Power Output 1
M1156-100 100W 5V @ 20A
M1156-101 240W 12V @ 20A
M1156-102 300W 15V @ 20A
M1156-103 480W 24V @ 20A
M1156-104 504W 28V @ 18A
M1156-105 499.2W 48V @ 10.4A
M1156 Additional configurations available

* All of our products can be configured to comply with EU REACH regulations. Contact Us today to learn more.

Custom Designed Solutions

For all your requirements, we’ll custom design a solution for your needs


Base Specifications

Form Factor:Baseplate Mount
Dimensions:5.67" X 3.5" X 1.18"144.02mm X 88.9mm X 29.97mm
Power Factor:0.85
Fixed switching frequency:250kHz

Product specifications and features subject to change without notice.
Please contact our factory before placing order.

Output Range(V min to V max @ A max)

#1 5V to 50V @ 25A


3D Model (STEP file)

Tailored Products to Meet Your Requirements


Modified Off The Shelf Solutions

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.

Learn More

Milpower Source Inc.

P.O. Box 810
7 Field Lane
Belmont, NH 03220
United States

P: (603) 267-8865

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Conflict Mineral Policy

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