mastervolt.us ALTERNATORS & REGULATORS 104 Alpha Compact Alternators Specifications Alpha 14/120 Alpha 14/200 Alpha 28/110 Alpha 28/150 Part # 46214120 46214200 46228110 46228150 General Specifications Mounting swivel arm direct mounting swivel arm swivel arm Pully no yes no no Weight 14.8 lb / 6.7 kg 16.5 lb / 7.5 kg 16.3 lb / 7.4 kg 17.4 lb / 7.9 kg Rotational direction clockwise clockwise clockwise clockwise Galvanic isolation non-isolated non-isolated non-isolated non-isolated Isolated operation yes, with optional isolation bushings yes, with optional isolation bushings yes, with optional isolation bushings yes, with optional isolation bushings Cooling integrated dual fan integrated dual fan integrated dual fan integrated dual fan Temperature sensor integrated, RJ12 connection integrated, RJ12 connection integrated, RJ12 connection integrated, RJ12 connection Technical Specifications System voltage 12V 12V 24V 24V Nominal current (at 6000 rpm, 77 °F) 120A 200A 110A 150A Charge current (at 1800 rpm, 77 °F) 70A 106A 41A 28A Cut-in speed 1300 rpm 1350 rpm 1400 rpm 1700 rpm Max. rotational speed 20000 rpm 20000 rpm 15000 rpm 16000 rpm Power Take Off (kW / hp) 3.4 / 4.5 5.6 / 7.6 6.2 / 8.3 8.4 / 11.4 Max. operating temperature 248°F (120°C) 248°F (120°C) 248°F (120°C) 248°F (120°C) Connections Positive output stud 2x M8 2x M8 2x M8 2x M8 W (rpm) signal connection isolated fast-on isolated fast-on isolated fast-on isolated fast-on Field current connection Mastervolt plug Mastervolt plug Mastervolt plug Mastervolt plug Accessories Clutch Pulley 48420110 6 ribs (Ø 49.8, W = 40.3 mm) 48420120 6 ribs (Ø 56.2, W = 42.8 mm) 48420130 6 ribs (Ø 55, W = 36.1 mm) 48420100 8 ribs (Ø 57.4, W = 37.4 mm) 48420140 8 ribs (Ø 56, W = 38.9 mm) 48420150 8 ribs (Ø 50, W = 49.3 mm) Serpentine Pulley 48400030 6 ribs (Ø 92, W = 31 mm) 48420160 8 ribs (Ø 66.1, W = 34.6 mm) 48420170 8 ribs (Ø 48.1, W = 39.4 mm) 48420180 2x 8 ribs (Ø 66.1, W = 68.7 mm) Misc. Items 48420240 6pc Isolating Kit M8x2; M10x4 48420200 Oil Pressure Switch Isolated M10x1 48420220 B+ Adapter M10 EXPANDED OFFERING
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