Permanent Magnet DC Generators

443902 Permanent Magnet DC Generator

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• Shaft: Steel 15.9mm (5/8") diameter, 48mm length, with 4.8mm (3/16in) key.
• Armature: 21-slot armature 76.4mm dia. series wound with AWG20 magnet wire (fusing current:58 amps).
• Brushes: Extra-large 19x25mm brushes - replacement stock no. 443730
• Magnets: Two high-energy saturated C8 ceramic magnets, 12x110mm.
• Bearings: Two sealed 40mm OD ball bearings - replacement stock no. 171109
• Rotation: Either direction - The red output wire is positive for clockwise rotation from the shaft end.
• Speed: Zero to 3,000 rpm (5,000 rpm intermittent), generates at all speeds
  Mounting: Four tapped holes on the faceplate, bolt circle 150 mm or by removable baseplate.
• Weight: 7.6Kg (21.6lb) Shipping weight 10.5Kg (23lb), dimensions 380x230x204mm (15x9x8in).
• Resistance: Internal resistance 2.5 ohms. Inductance 15mH.
• Output Voltages: 12, 24, 36, 48, 90, or 120 (determined by load and rpm)
• Output current: 15 amperes  for 21 minutes maximum - intermittent duty. Certain applications may require additional cooling. 
• Performance: See performance curves and run times below.

Generators are non-returnable

Certain applications may require forced cooling.

15A - 21 minute run time

10A - 43 minute run time

8A - 85 minute run time

7.5A  - CONTINUOUS DUTY

More about Startup Torque

DC Generator (443902): $389.00