skip to main content

Power Supplies & Systems

A new wave of efficient, cost effective and pioneering power supplies

On-systems has developed a reputation for delivering best-in-class power supplies, whilst we’re well versed in providing completely tailored solutions, comprising custom design and build. Our highly skilled system design engineers aim to help organisations improve their products and solve complex problems, ensuring they are reliable, efficient, safe, cost-effective and compliant. We provide a huge range of products to meet our clients’ stringent needs, and you can learn more about each of these below.


From military grade power supplies to everyday laptop adapters and dual input 2,100W Uninterruptible systems, we provide a huge range of fully compliant, efficient and robust AC-DC products, ranging in output from 100 to 1800 watts.


With a 3-phase power supply, you’re guaranteed a more constant, reliable current that’s capable of powering many aerospace applications demanding high power quality. Here at on-systems, we provide dependable aerospace qualified, ARINC standard power supplies, such as our PUMA-2012, delivering 115V RMS AC 800Hz 3-phase Input to 264V.


With a huge range of DC-DC converters available, such as our base plate cooled power supplies, PCB Mounted products, laptop power supplies and man-portable military equipment, our range can meet all manner of simple requirements, as well as demanding military applications.


Our VPX power supplies, also known as VITA 46, have been supplied to a diverse range of defence and aerospace clients, combining high-speed performance with a robust build for data-intensive, high bandwidth applications. Our PUMA and Python supplies are designed to ensure our clients improve efficiency and reduce system development costs with proven and resilient power supplies.

Battery Management

Whether you need a slimline ruggedised battery charger, a configurable, modular, EMI silent power supply or a dependable dual input 2,100W Uninterruptible Power Supply, on-systems can meet your needs. We provide a comprehensive range of battery management products for a diverse mix of sectors, such as aerospace, defence, marine, energy and media.


Our COBRA series includes COTS Military, low profile, PCB mounted, fully compliant surge and transient protection modules, with integral EMC filters. From 7A up to 20A, these systems are designed to protect downstream DC-DC converters in vehicle, mobile or avionic applications.

EMI Management

Our COTS, ruggedised, EMI silent power supplies are ideally suited for avionics and mobile applications requiring high levels of EMI management and resilience. These low EMI units reduce the requirements on the cooling system, and create new opportunities to integrate power supplies into equipment.

Portable Power

We offer a huge range of portable power supplies and equipment, meeting demanding military applications with a reliable source of power. These portable supplies are of the highest quality, distributing affordable, high-performance COTS power.

Product Selector

Discover the right product for your requirements

If you’re not entirely sure on the power system you’re looking for, feel free to use our product selector tool. You can quickly and simply navigate our complete range AC-DC power supplies, DC-DC converters, high voltage systems and power products.

If you’d like to talk to a member of our team about your exacting needs, please call us today on +44 (0) 203 195 2760 or send us a message and we’ll be back in touch as soon as possible.

Learn more
Back to top

Working with us