Three-phase motors - series X... - One speed motors - Two speed motors, one winding (Dahlander) - for general purpose - Two speed motors, two windings - for general purpose - Two speed motors, one winding (Dahlander) - for ventilation - Two speed motors, two windings - for ventilation - Three speed motors, two windings - for ventilation Servo-ventilated three-phase motors - Series W...- Servo-ventilated motors with single-phase motor Papst - Servo-ventilated motors with three-phase motor