Stroke: 50mm，100mm，150mm,200mm，250mm,300mm，350mm,400mm,450mm,500mm，550mm, 600mm, 650mm,700mm,750mm ,800mm，850mm,900mm,950mm, 1000mm,1300mm. 4000W/8000W Sinus-Wechselrichter 12V auf 220V. Structure and working principle: permanent magnet synchronous motor.
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