>0%
lower calculated motor loss*
At 20% rated speed and 20% rated torque, compared with the current <80% rare-earth PMSM benchmark threshold.
Direct-drive PMSM · 37–75 kW
LESS HEAT.MORE DRIVE.
Over 90% efficiency already at 20% rated speed and torque. No gearbox. No rare earth materials. Made in Slovenia.
NO
GEARBOXdirect drive
GEARBOXdirect drive
96%peak efficiency
>90%at 20% speed & torque
55 kg37 kW reference
48–800 Vacross variants
The useful comparison
ONE PEAK IS NOT A DUTY CYCLE.
At part load, a small efficiency gap becomes a large heat-load gap. This is the operating point where ZENIT starts to look very different.
Motor efficiency across speed and torque.
Contour values: 0.95 = 95% efficiency.
37 kW motor
Comparison at 20% rated speed and 20% rated torque
ParameterZENITBenchmark*
Efficiency>90%<80%
Electrical input<1.644 kW>1.850 kW
Motor loss / heat<0.164 kW>0.370 kW
Minimum heat rejection<0.164 kW>0.370 kW
*Calculated from the stated motor efficiencies at 20% rated speed and 20% rated torque.
01Efficient away from the nominal point.
02Ferrite magnets. No rare-earth supply exposure.
03Direct drive. No gearbox losses or service.Compare drives & efficiency
04Rotor and bearings replaceable in the field.
The hardware
BUILT TO GET USED.
Continuous power family37–75 kW
DC link range48–800 V
37 kW reference voltage120 / 400 V
Rated speed3,000 rpm
Dimensions375 × 350 × 350 mm
ArchitectureConverter-fed PMSM
Marine propulsionIndustrial trucksOff-highway
Technical files & downloads ↗
Made in Slovenia · 90% EU-sourced
BRING YOUR LOAD PROFILE.
Send speed, torque and time. We will identify the closest motor variant and calculate energy use across the actual duty cycle.
info@zenitmotor.com ↗