KVA 310 KW 248 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 690 Duty Rating Continuous Class B 80/40C Bearing 1 Adaptor SAE 0.5 Coupling 14 Name STAMFORD,S4L1S,E,INDUSTRIAL,27 Product S4L1S Manual A055Z165_S4S6_I2_EN.pdf DataSheet A057E443_Rev_A.pdf GA A057B576_Rev_C.pdf Torsional A056E028_Rev_A.pdf Priority 242 Model S4L1S Cores E Type INDUSTRIAL Winding 27 adaptor SAE 0.5 Coupling 14 Voltage 690 kva 310.00 kw 248.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s4