Graupner ULTRA 3500-6M

High-performance electric motors of highest quality, with integrated water cooling. Suitable especially for direct drive race boat power systems.

All ULTRA motors are delivered with a connecting lead (95 mm long, 2.5 mmØ)

Nominal voltage 28 V
Operating voltage range 20 ... 30 V
No-load speed 12200 min-1
Speed at max. efficiency 10500 min-1
Torque at max. efficiency 66 Ncm
Power at max. efficiency 722 W
Current at max. efficiency 30 A
Stall current 430 A
Max. efficiency excl. gearbox 86%
Case length, excl. shaft 100 mm
Diameter max. 70 mm
Free shaft length 27 mm
Shaft diameter 5 mm
Weight approx. 760 g