Parameter Value Product Range Lexium BCH2 / Lexium 28 series Product/Component Type Brushless servo motor Motor Flange Size 180 mm (Asian standard flange) Number of Motor Stacks 2 Nominal Power 3 kW (3000 W) Rated Supply Voltage [Us] 220 V AC Nominal Speed 3000 rpm Maximum Mechanical Speed 3000 rpm Nominal Torque 19.1 N.m Continuous Stall Torque 19.1 N.m Peak Stall Torque 57.29 N.m Continuous Stall Current 16.49 A Maximum Current Irms 58.4 A Rotor Inertia 53.56 kg.cm² Encoder Type 20-bit single-turn absolute encoder Feedback Type 20 bits single turn absolute Holding Brake Without Shaft End Keyed with oil seal Shaft Diameter 35 mm Shaft Length 79 mm Key Width 10 mm IP Degree of Protection IP65 (IM B5, IM V1 mounting), IP50 (IM V3 mounting) Electrical Connection MIL connector (straight) Type of Cooling Natural convection Torque Constant 1.16 N.m/A at 20 °C Back EMF Constant 70 V/krpm at 20 °C Stator Resistance 0.234 Ohm at 20 °C Stator Inductance 4.9 mH at 20 °C Stator Electrical Time Constant 20.94 ms at 20 °C Motor Length 202 mm / 281 mm (overall dimensions) Width 180 mm Depth 245 mm Overall Dimensions (L x W x D) 202 mm x 180 mm x 245 mm (motor only) Net Weight 18.5 kg Centring Collar Diameter 114.3 mm Centring Collar Depth 4 mm Circle Diameter of Mounting Holes 200 mm Number of Mounting Holes 4 Mounting Holes Diameter 13.5 mm Maximum Radial Force Fr 1200 N at 1500 rpm Maximum Axial Force Fa 497 N Ambient Air Temperature (Operation) -20...40 °C Product Compatibility Lexium 28 and Lexium 26D servo drives (3 kW, 220 V, three phase) Range Compatibility Lexium 28 Product Certifications Green Premium, RoHS compliant, REACh free of SVHC )