KVA 535 KW 428 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 440 Duty Rating Continuous Class H 125/40C Bearing 1 Adaptor SAE 0.5 Coupling 17.75 Name STAMFORD,S4L1D,G,INDUSTRIAL,311 Product S4L1D Manual A055Z165_S4S6_I2_EN.pdf DataSheet A056E881-S4L1D-G4-G-W311.pdf GA A057B362_Rev_C.pdf Torsional A056D397_Rev_A.pdf Priority 244 Model S4L1D Cores G Type INDUSTRIAL Winding 311 adaptor SAE 0.5 Coupling 17.75 Voltage 440 kva 535.00 kw 428.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s4