General-Purpose Motors · AK series
AK 280S-K
Slip-ring motors for high-inertia starting against a weak supply, with external rotor resistance control.
General-purposeIE2IP54
Technical data
Full specification
Attributes marked as family-specific are recorded for this product family only. Hover a label for its definition.
Identification
- Series
- AK
- Frame size
- 280S-K
Electrical data
- Rated power
- 90 kW
- Rated voltage
- 690 V
- Frequency
- 50 Hz
- Rated speedF
- 980 rpm
- Number of polesF
- 6
- Efficiency classF
- IE2
- EfficiencyF
- 92.4 %
- Power factorF
- 0.83
- Rated currentF
- 97.8 A
- VFD operationF
- No
Mechanical data
- Mounting arrangement
- IM B3
- Construction
- Horizontal
- Mass
- 780 kg
- Overall dimensions
- 1120 × 560 × 640 mm
- Rotor typeF
- Slip-ring
Protection and cooling
- Degree of protection
- IP54
- Cooling method
- IC 611
Operating conditions
- Climatic version
- U1 (temperate)
- Duty type
- S3
Same series
Other frame sizes in AK
Variants share the design, the certification route and the documentation. Only the rating and the frame differ.
| Frame | Power | Voltage | Mass | |
|---|---|---|---|---|
| 355L-K | 315 kW | 6000 V | 2350 kg | View → |
Documentation
- Download (mock)CatalogueGeneral-Purpose Motors — Product CataloguePDF · 11.2 MB · Rev. 07
- Download (mock)Data sheetAK Slip-Ring Series — Data SheetPDF · 0.7 MB · Rev. 01
- Download (mock)QuestionnaireTechnical Questionnaire — Electric MotorsPDF / online form · 0.3 MB · Rev. 02