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High Performance Automotive Control Module AKM21C-ESDNC-02 | OEM Industrial Electronic Part

The AKM21C-ESDNC-02 is an ultra-compact small-frame high-speed brushless AC servo motor from Kollmorgen classic AKM series, adopting rare-earth neodymium magnet and C-type optimized low-voltage winding design, featuring ultra-low rotor inertia, low cogging torque and rapid dynamic response, ideal for compact automation equipment requiring high-frequency start-stop and high-precision positioning.

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Specifications Rated Power: 0.32kW (0.43HP) @ 320VDC DC bus voltage Continuous Stall Torque: 0.48 N·m Rated Continuous Torque: 0.39 N·m Peak Torque: 1.47 N·m Rated Speed: 5630 rpm; Max Mechanical Speed: 8000 rpm Max Allowable DC Bus Voltage: 320 VDC Continuous Stall Current: 1.28 Arms Peak Stall Current: 6.32 Arms Line-to-Line Resistance: 13 Ω @ 25℃ Torque Constant: 0.3 N·m/Arms Back EMF Constant: 19.5 Vrms/kRPM Rotor Moment of Inertia: 0.107 kg·cm² Number of Poles: 6 poles Thermal Time Constant: 8 minutes Insulation Class: Class F (155℃) Feedback Type: EnDat high-resolution single-turn absolute encoder (ESD code) Brake Configuration: Without 24VDC electromagnetic holding brake (N code) Shaft Type: Keyed solid shaft, customized version No.02 Flange Specification: IEC 58×58mm, tolerance grade N Connectors: Two rotatable angled M23 power & encoder connectors Built-in Protection: PTC winding temperature sensor Protection Degree: IP65 (shaft end & connector side) Net Weight: Approx. 0.82 kg