THIS IS A GENERAL ELECTRIC (GE) MODEL NO. 9T51B13 DRY TYPE TRANSFORMER. IT IS A SINGLE-PHASE UNIT (PH: 1) WITH A KVA RATING OF 3.0 AND OPERATES AT 60 HZ (HZ: 60) WITH A TYPE: QB CLASSIFICATION. THE PRIMARY VOLTAGE (PRI. VOLTS) IS RATED AT 240/480V, AND THE SECONDARY VOLTAGE (SEC. VOLTS) IS 120/240V. THE UNIT HAS A TEMPERATURE RISE (TEMP. RISE) OF 115C AND FEATURES AN I.S. 12 CAS ENCLOSURE.