KVA 55 KW 44 Frequency 50 Speed 1500 Poles 4 Phase 3 Voltage 690 Duty Rating Marine Continuous Class B 70/50C Bearing 2 Adaptor SAE 5 Coupling none Name STAMFORD,UC22,G,MARINE,25 Product UC22 Manual A040J848_UC_EN.pdf DataSheet UCM224G-25-TD-EN_Rev_A.pdf GA 23-2002_Rev_G.pdf Torsional L15-12626_Rev_A.pdf Priority 270 Model UC22 Cores G Type MARINE Winding 25 adaptor SAE 5 Coupling none Voltage 690 kva 55.00 kw 44.00 brand STAMFORD Product Link https://stamford-avk.com/alternators/stamford/uc22