Technical Parameters Basic Information Brand: Kollmorgen (Danaher Motion) Model No.: AKM22C-ENDNC-01 Motor Type: 3-Phase PM Synchronous Servo Motor Frame Size: AKM22, 58mm IEC standard flange Winding Code: C (High voltage winding, max 640 VDC bus) Feedback: END = SFD3 Inductive Single-Turn Absolute Encoder Shaft Code: N = Smooth cylindrical h7 shaft, no keyway Connector Code: D = Single i-tec hybrid SpeedTec connector Flange Code: C = Standard IEC mounting flange Brake & Shaft Seal: 01 = Built-in shaft seal + Without holding brake Pole Pairs: 3 Net Weight: 1.10 kg Electrical Performance (640VDC Bus) Rated Continuous Power (Pn): 0.57 kW Rated Speed (Nn): 8000 rpm Standstill Continuous Stall Torque (Mo): 0.84 N·m Rated Continuous Torque (Mn): 0.68 N·m Standstill RMS Current (Iorms): 1.40 Arms Peak Torque (Mmax): 2.10 N·m Peak RMS Current (Imax): 4.20 Arms Torque Constant (Kt): 0.60 N·m/Arms Back EMF Constant (Ke): 0.30 Vrms/(rad/s) Line-Line Winding Resistance (Rm @25°C): 11.8 Ω Line-Line Inductance (Lm): 3.75 mH Rotor Moment of Inertia (J): 0.0161 kg·cm² Electrical Time Constant: 0.32 ms Mechanical & Environmental Specs Max Mechanical Speed: 8000 rpm Shaft Dimension: Smooth shaft φ20mm, h7 tolerance, no keyway Protection Grade: IP65 motor housing & flange; shaft with shaft seal IP65 Insulation Class: Class F (Max winding temperature 155°C) Built-in Protection: PTC thermal sensor for over-temperature alarm Operating Ambient Temp: -20°C ~ +40°C Storage Temperature: -40°C ~ +85°C Vibration Standard: EN 60034-14 Mounting Standard: IEC IM B5 flange mounting, pilot j6 tolerance Bearing Service Life: 20,000 hours under rated load Certifications: CE, UL Listed, EN60034-1, EN60034-5