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High Performance Automotive Control Module AKM21E-CKBNEH00 | OEM Industrial Electronic Part

The AKM21E-CKBNEH00 is an ultra-compact small-frame high-speed brushless AC servo motor from Kollmorgen classic AKM series, adopting rare-earth neodymium permanent magnet and E-type high-efficiency optimized winding design, featuring ultra-low rotor inertia, high torque density, ultra-low cogging torque and fast dynamic acceleration, ideal for compact automation equipment requiring high-frequency start-stop and micron-level precision positioning.

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Parameters Rated Power: 0.30kW (0.41HP) @ 160VDC DC bus voltage Continuous Stall Torque: 0.50 N·m Rated Continuous Torque: 0.41 N·m Peak Torque: 1.47 N·m Rated Speed: 7000 rpm; Max Mechanical Speed: 8000 rpm Maximum Allowable DC Bus Voltage: 160 VDC Continuous Stall Current: 3.11 Arms Peak Current: 12.44 Arms Line-to-Line Resistance: 12.8 Ω @ 25℃ Back EMF Constant: 19.5 Vrms/kRPM Torque Constant: 0.3 N·m/Arms Rotor Moment of Inertia: 0.11 kg·cm² Thermal Time Constant: 8 minutes Insulation Class: Class F (155℃) Feedback Type: SFD high-precision smart digital resolver (CKB code) Brake Configuration: Built-in 24VDC fail-safe spring holding brake (B code) Shaft Specification: Custom sealed keyed solid shaft (NEH customized shaft & sealing structure) Mechanical & Structural Parameters Mounting Flange: 58×58mm IEC B5 standard flange, tolerance grade N Shaft Diameter: Φ12mm keyed solid shaft with reinforced shaft oil seal Connectors: Two rotatable 90° adjustable M23 power & feedback connectors Built-in Protection: Isolated PTC winding temperature sensor Protection Degree: IP65 (enhanced shaft sealing design) Net Weight: 0.85 kg