KAZ47 DR2L71M4/TF/EK8A

1. Product Information

Brand: SEW‑EURODRIVE (Germany)

Product Type: Helical‑bevel gear motor (K series)

Full Model: KAZ47 DR2L71M4/TF/EK8A

Model Code Breakdown

• KAZ47: Helical‑bevel gear unit; size 47; B14 small flange mount, hollow shaft output
• DR2L71M4: DR2L series asynchronous servo motor; frame 71; 4‑pole (50 Hz)
• TF: KTY84‑130 temperature sensor (motor thermal protection)
• EK8A: Motor winding / voltage variant (400V, inverter‑duty)

Gear Unit (KAZ47) Specifications

• Gear type: 3‑stage helical‑bevel (right‑angle)
• Ratio range: Typical 10–180 (example ratio ~40:1 for reference)
• Output torque: Up to ~800 Nm (S1 duty)
• Efficiency: >93%
• Protection: IP55 (gearbox)
• Lubrication: Synthetic gear oil (lifetime lubrication)
• Mount: B14 flange, hollow shaft output
• Material: Cast iron housing, hardened gears

Motor (DR2L71M4/TF/EK8A) Specifications

• Power: 0.55 kW
• Speed: 3000 rpm (nominal, inverter‑driven)
• Voltage: 400 V, 3‑phase
• Frequency: 50 Hz (inverter‑operable)
• Poles: 4‑pole
• Thermal protection: KTY84‑130 (TF)
• Insulation: Class F
• Protection: IP55
• Winding: EK8A (inverter‑rated, 400V)
• Dynamics: High dynamic response (servo‑grade)
• Weight: ~32 kg (complete gearmotor)

Features

• Right‑angle drive: Compact, space‑saving design
• B14 flange + hollow shaft: Easy machine mounting
• High efficiency: >93%, energy saving
• DR2L servo motor: High dynamics, precise speed control
• Thermal sensor (TF): Prevents overheating
• Inverter‑ready (EK8A): For variable speed applications
• IP55 protection: Dust‑tight, water‑resistant
• Robust cast iron: Long service life, low noise
• Maintenance‑free: Lifetime gear lubrication

Applications

• Conveyor systems
• Material handling
• Packaging machinery
• Food & beverage processing
• Textile machinery
• Printing machines
• Automated assembly lines
• Robotics & positioning axes
• General industrial automation