KVA 531 KW 424.8 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 480 Duty Rating Marine Continuous Class F 90/50C Adaptor SAE Coupling none Name STAMFORD,S5L1M,D,MARINE,311 Product S5L1M Manual A061R621_Rev_B.pdf DataSheet ES10462021_S5L1M-D4-B-W311.pdf Priority 232 Model S5L1M Cores D Type MARINE Winding 311 adaptor SAE Coupling none Voltage 480 kva 531.00 kw 424.80 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s5