KVA 554 KW 443.2 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 660 Duty Rating Marine Continuous Class B 70/50C Adaptor SAE Coupling none Name STAMFORD,S5L1M,F,MARINE,27 Product S5L1M Manual A061R621_Rev_B.pdf DataSheet ES10462019_S5L1M-F4-A-W27.pdf Priority 232 Model S5L1M Cores F Type MARINE Winding 27 adaptor SAE Coupling none Voltage 660 kva 554.00 kw 443.20 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s5