on-systems has a range of COTS power supplies for the defence industry, which can reduce the development time and cost for custom products to your Technical Requirements Specification

Call us now to discuss your requirement with one of our experienced team on +44 (0) 203 195 2760


On-systems has a broad range of rugged product solutions for the military and defence market. These product solutions, which include both specific modifications of existing products or full custom designs, are designed for combat environments and meet numerous MIL-SPEC requirements. We are compliant with the regulations of International Traffic in Arms Regulations (“ITAR”), and all of our products and designs are "ITAR free".


At the core of every military electronic system is a power supply. Mission critical systems require rugged high performance power platforms that will operate and survive the harsh environmental conditions placed upon such systems. Our power supplies, function effectively in severe military environments:


* Naval – Shipboard radar, EW and communication

* Mobile and Ground Communications – Active Protection, Communications and Navigation

* Surveillance, test equipment

* UAV (Unmanned Aerial Vehicle)

Space, weight, output power, electromagnetic compatibility, power density and multiple output requirements are only part of the challenges that any military power supply design faces. With many decades of experience, our engineering teams meet these tough challenges.


Our comprehensive range of standard, high quality AC-DC and DC-DC converters ranging from PCB mounted units of a few watts to large system units of several kW, significantly shorten the development time, ensuring that the most cost effective, reliable, low risk, compliant power converters are selected from the outset of a program.


Our thorough knowledge of the harsh environments required for Military COTS power supplies drives our development teams to deliver standard products that meet the rigours of:

DEF-STAN 61-5 Issue 6, MIL STD 1275 and MIL STD 704 surges and transients that protect your equipment from electrical damage.


Standard EMC filters and modules ensure compliance to DEF-STD 59-411 Land Class A, MIL-STD 461 and TEMPEST. Our team can work with you to select the optimum filter using our in house pre-compliance EMC test facility.


DEF STD 0035 and MIL STD 810 Harsh environmental specifications are met with standard product, and are supported for use in your product with our detailed application notes.