KVA 420 KW 336 Frequency 60 Speed 1800 Poles 4 Phase 3 Voltage 690 Duty Rating Standby 163/27C Bearing 2 Adaptor SAE 1 Coupling none Name STAMFORD,S4L1S,E,INDUSTRIAL,27 Product S4L1S Manual A055Z165_S4S6_I2_EN.pdf DataSheet A057E443_Rev_A.pdf GA A056N443_Rev_A.pdf Torsional A056N871_Rev_A.pdf Priority 242 Model S4L1S Cores E Type INDUSTRIAL Winding 27 adaptor SAE 1 Coupling none Voltage 690 kva 420.00 kw 336.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s4