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Description
Description This listing is for a NEW Eaton 478C642H31 Unit Substation Transformer. Featuring cast-coil dry-type construction, this three-phase transformer is configured for 24.9 kV primary distribution systems and 208Y/120V secondary service. The 1250/1667 kVA rating, AA/FA cooling classification, and copper conductor construction support industrial facilities, commercial infrastructure, and large-scale power distribution applications. Spec Sheet Manufacturer: Eaton Part Number: 478C642H31 Condition: NEW Equipment Type: Unit Substation Transformer Transformer Type: Cast Coil Dry Type Power Rating: 1250/1667 kVA Primary Voltage: 24,900 VAC Secondary Voltage: 208Y/120 VAC Phase: 3 Phase Frequency: 60 Hz Cooling Class: AA/FA Temperature Rise: 115/115C Impedance: 5.86% HV BIL: 125 kV LV BIL: 10 kV Primary Current: 29.0 A (AA) / 38.7 A (FA) Secondary Current: 3470 A / 4627 A Enclosure: NEMA 1 Conductor Material: Copper / Copper Ambient Rating: 30C Average / 40C Maximum UL Listed: Yes Serial Number: 19TX091450001 Approximate Weight: 17,200 lb Country of Manufacture: USA YOM: 2019
