About This Device
The RUTX12 is Teltonika's dual-modem workhorse, and with two cellular radios, dual-band Wi-Fi and five Gigabit ports it draws real power — which is why Teltonika specifies a 24 W supply rather than the smaller adapters used across the RUT range. The PR315PS3 is the universal version of that supply: a factory-matched 24 W unit intended for multi-region use.
The practical case for the universal model is fleet logistics. If you stage RUTX12 units in one country and deploy them in another, or support installations across regions with different outlet standards, standardizing on the universal PSU means one part number in inventory instead of one per plug type. For US-only deployments, the PR3P2US3 is the fixed US-plug equivalent at the same 24 W rating.
Under-powering a dual-modem router is a subtle failure mode: a supply that seems fine at idle can sag when both modems transmit simultaneously, producing random reboots that masquerade as firmware bugs. Using the correctly rated factory supply removes that variable entirely, which is why we recommend keeping a spare PR315PS3 on the shelf for any RUTX12 estate — power adapters are the most commonly lost or damaged component in the field.
At roughly 0.43 lb, the unit ships light and stocks easily. Pair it with the router's locking power connector system for a dependable installation in cabinets, vehicles staged with AC inverters, and office deployments alike.