... : 2 Built-in quality; 3 Reliability; 4 Innovation generator. stamford UC series ac generatorModelOutput,KVA50Hz,400V60Hz,480VUCI224C42.555UCI224D5065UCI224E6075UCI224F72.593UCI224G85103UCI274C100125UCI274D120146UCI274E140178UCI274F160206UCI274G182231UCI274H200255UCD274J230300UCD274K250312.5 UCI22 ... up to 690 V. IP23 enclosure protection is standard. stamford UC series ac generator