KVA 818 KW 654.4 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 660 Duty Rating Standby 163/27C Adaptor SAE Coupling none Name STAMFORD,S5L1S,F,INDUSTRIAL,27 Product S5L1S Manual A061R621_Rev_B.pdf DataSheet ES10461999_S5L1S-F4-A-W27.pdf Priority 233 Model S5L1S Cores F Type INDUSTRIAL Winding 27 adaptor SAE Coupling none Voltage 660 kva 818.00 kw 654.40 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s5