Technical Parameters Basic Information Brand: Kollmorgen (Danaher Motion) Model No.: AKM22C-ENB2EH00 Motor Type: 3-Phase PM Synchronous Brushless Servo Motor Frame Size: AKM22, 58mm IEC IM B5 flange Winding Code: C (High voltage winding, max 640 VDC bus) Feedback: ENB = EnDat single-turn inductive absolute encoder Shaft Code: 2 = Standard ø20mm keyed shaft, no shaft seal Connector Code: EH = Dual rotatable angled SpeedTec M23 connectors Brake Code: Built-in 24VDC holding brake End Suffix 00: No shaft seal, standard motor housing Pole Pairs: 3 Net Weight: 1.48 kg (with brake) Electrical Performance (640VDC Bus) Rated Continuous Power (Pn): 0.57 kW Max Mechanical Speed: 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 Brake Electrical Specs Brake Voltage: 24 VDC Holding Torque: 1.2 N·m Brake Power Consumption: 36 W Brake Release Delay: ~110 ms Mechanical & Environmental Specifications Shaft Spec: φ20mm keyed shaft, standard DIN keyway Protection Grade: IP65 motor housing & flange; shaft IP54 (no shaft seal) Insulation Class: Class F, max winding temperature 155°C Thermal Protection: Built-in PTC thermal sensor inside stator windings Operating Ambient Temperature: -20°C ~ +40°C Storage Temperature: -40°C ~ +85°C Vibration Standard: EN 60034-14 Mounting Standard: IEC IM B5 flange, pilot j6 tolerance N per DIN42955 Bearing L10 Service Life: 20,000 hours under rated load Certifications: CE, UL Listed, EN60034-1, EN60034-5