KVA 640 KW 512 Frequency 50 Speed 1500 Poles 4 Phase 3 Voltage 400 Duty Rating Standby 150/40C Adaptor SAE Coupling none Name STAMFORD,S5L1S,E,INDUSTRIAL,311 Product S5L1S Manual A061R621_Rev_B.pdf Priority 233 Model S5L1S Cores E Type INDUSTRIAL Winding 311 adaptor SAE Coupling none Voltage 400 kva 640.00 kw 512.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s5