Regenerative & Programmable Electronic Loads

High-dynamic regenerative DC electronic loads and utility-scale regenerative AC load simulation from ActionPower's PRL, ATLAS, and TITAN ranges. These platforms sink power from a device under test rather than dissipating it as heat, feeding the majority back to the grid at up to 94% efficiency — a meaningful difference in running cost on long-duration battery cycling, power supply verification, and inverter/PCS burn-in programs. Response times down to sub-millisecond suit fast transient work like AI data centre power validation, while the higher-power TITAN AC platforms scale to full utility and grid-code compliance testing. 70 products across the range — browse by application below to find the right power and response profile.

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⚡ Built for Field and Outdoor Deployment

Where most programmable power equipment is designed strictly for indoor lab use, several Preen lines are built — not merely adapted — for real outdoor operation. The BPS Series is the clearest example: a complete shore power supply built into a customized outdoor container, rated to IP54 as standard, delivering up to 2000kVA to shipbuilding berths and vessels under high humidity, heat, and corrosion exposure. The AMV 400Hz ground power range ships with IP54 protection as standard too, rated -40°C to 55°C, available as a fully self-contained trailer unit. Most other Preen AC and DC platforms — AFV, AFC, ADC, ADG-L, APS, and more — can be built into a customized outdoor container or upgraded to an IP54-rated enclosure as an option. This makes Preen the natural choice whenever a power supply, conditioner, or load bank has to survive outside a controlled lab environment, not just work inside one.