... 2D Digital Programmable Frequency Conversion Power SupplyThe TJB-2D series has models from 500VA to 100KVA optional, high display resolution ... settings, easy front-panel. Its widely used and provided with a reasonable priceFeatures: 1) Output power from 0 to ... waveform low distortion 7) V, A, W, Hz display accurately, digital, simultaneously8) With full protections (over voltage, over load, over temp, ...