Replacement AT PSII 300W Switching Power Supply — Fits RYT-450AT, RYT-250AT

Direct-replacement 300W switching power supply for AT PSII systems. Compatible with RYT-450AT and RYT-250AT models, this PSU provides the standard 300W output required for AT PSII installations. Ideal when you need a like-for-like swap for an existing AT PSII power unit.