Parameter Value Product Range Lexium BCH2 / Lexium 28 series Product/Component Type Brushless servo motor Motor Flange Size 80 mm (Asian standard flange) Number of Motor Stacks 2 Nominal Power 750 W Rated Supply Voltage [Us] 220 V AC Nominal Speed 3000 rpm Maximum Mechanical Speed 5000 rpm Nominal Torque 2.39 N.m Continuous Stall Torque 2.39 N.m Peak Stall Torque 7.16 N.m Continuous Stall Current 4.01 A Maximum Current Irms 13.23 A Rotor Inertia 1.19 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 19 mm Shaft Length 35 mm Key Width 6 mm IP Degree of Protection IP65 (IM B5, IM V1 mounting), IP50 (IM V3 mounting) Electrical Connection Free leads Type of Cooling Natural convection Torque Constant 0.6 N.m/A at 20 °C Back EMF Constant 36 V/krpm at 20 °C Stator Resistance 1.5 Ohm at 20 °C Stator Inductance 6.1 mH at 20 °C Stator Electrical Time Constant 4.07 ms at 20 °C Motor Length 138 mm Width 80 mm Depth 95 mm Overall Dimensions (L x W x D) 138 mm x 80 mm x 95 mm (motor only) Net Weight 2.8 kg Centring Collar Diameter 70 mm Centring Collar Depth 4 mm Circle Diameter of Mounting Holes 90 mm Number of Mounting Holes 4 Mounting Holes Diameter 6.6 mm Maximum Radial Force Fr 332 N at 3000 rpm Maximum Axial Force Fa 115 N Ambient Air Temperature (Operation) -20...40 °C Product Compatibility Lexium 28 and Lexium 26D servo drives Range Compatibility Lexium 28 Product Certifications Green Premium, RoHS compliant, REACh free of SVHC