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SEW KA77/A/T Reducer
Conveyor systems
Crane and lifting systems
Mixers and mixers
Automation lines
Food, cement, mining, and logistics sectors
Model: KA77/A/T
Series: K Series – Helical-Bevel Geared Reducer
Type: High-efficiency gearbox with right-angle (90°) output
Mounting Type: Foot Mounted (A)
Output Type: T-type – hollow shaft
Application: Preferred in heavy-duty applications due to its compact design and high torque capacity. 1 2.
Technical Specifications (General values for KA77)
Nominal Torque: 1300 Nm – 1800 Nm
Transmission Ratio (i): 3.77 – 289.74 (up to 27.001 with additional steps)
Output Speed: 0.1 – 500 rpm (depending on motor and ratio combination)
Input Power: Compatible with motors from 0.12 to 22 kW
Efficiency:
2-stage: 96%
3-stage: 94%
Protection Class: IP55 (optional IP65)
Lubrication: Oil-bath (lifetime maintenance-free options available)
Body Material: Cast iron (high strength and vibration damping)