SpecificationsModelStep angel ( ° )No. of phaseRated Voltage (V)Rated Current (A)Phase Resistance ( )Phase Inductance (mH)Holding Torque (g.cm)Detent Torque (g.cm)Rotor Inertia (g. c )WdgFig15BY20L0118250.5101.7627100.3a115BY20L02182120.0651904140100.3a215BY20L081827.20.15509.125100.3a315BY20L01718250.33152550.3a515BY20L018182120.043004060.3a4