KVA 644 KW 515.2 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 440 Duty Rating Standby 163/27C Adaptor SAE Coupling none Name STAMFORD,S5L1S,D,INDUSTRIAL,311 Product S5L1S Manual A061R621_Rev_B.pdf DataSheet ES10462001_S5L1S-D4-B-W311.pdf Priority 233 Model S5L1S Cores D Type INDUSTRIAL Winding 311 adaptor SAE Coupling none Voltage 440 kva 644.00 kw 515.20 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s5