KVA 650 KW 520 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 480 Duty Rating Marine Continuous Class H 110/50C Bearing 1 Adaptor SAE 0.5 Coupling 18 Name STAMFORD,HC5,E,MARINE,311 Product HC5 Manual A040J849_HC_EN.pdf DataSheet HCM5E-311-TD-EN_Rev_A.pdf GA 52-4649_Rev_F.pdf Torsional L15-12559_Rev_C.pdf Priority 230 Model HC5 Cores E Type MARINE Winding 311 adaptor SAE 0.5 Coupling 18 Voltage 480 kva 650.00 kw 520.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/hc5