KVA 310 KW 248 Frequency 50 Speed 1500 Poles 4 Phase 3 Voltage 660 Duty Rating Continuous Class F 105/40C Bearing 2 Adaptor SAE 1 Coupling none Name STAMFORD,S4L1S,E,INDUSTRIAL,25 Product S4L1S Manual A055Z165_S4S6_I2_EN.pdf DataSheet A057E438_Rev_A.pdf GA A056N443_Rev_A.pdf Torsional A056N871_Rev_A.pdf Priority 242 Model S4L1S Cores E Type INDUSTRIAL Winding 25 adaptor SAE 1 Coupling none Voltage 660 kva 310.00 kw 248.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s4