KVA 520 KW 416 Frequency 50 Speed 1500 Poles 4 Phase 3 Voltage 440 Duty Rating Continuous Class B 80/40C Adaptor SAE Coupling none Name STAMFORD,S5L1S,F,INDUSTRIAL,311 Product S5L1S Manual A061R621_Rev_B.pdf DataSheet ES10462003_S5L1S-F4-B-W311.pdf Priority 233 Model S5L1S Cores F Type INDUSTRIAL Winding 311 adaptor SAE Coupling none Voltage 440 kva 520.00 kw 416.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/s5