KVA 63.3 KW 50.64 Frequency 50 Speed 1500 Poles 4 Phase 3 Voltage 380 Duty Rating Marine Continuous Class H 110/50C Bearing 1 Adaptor SAE 3 Coupling 7.5 Name STAMFORD,UC22,F,MARINE,311 Product UC22 Manual A040J848_UC_EN.pdf DataSheet UCM224F-311-TD-EN_Rev_A.pdf GA 23-2001_Outline_DS23-2001_Rev_H.pdf Torsional L15-12630_Rev_A.pdf Priority 270 Model UC22 Cores F Type MARINE Winding 311 adaptor SAE 3 Coupling 7.5 Voltage 380 kva 63.30 kw 50.64 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/uc22