Step Angle: 1.8° Number Of Phase :2 Insulation Resistance : 100MΩmin.(500V DC) Insulation Class : Class B Rotor Inertia : 38g.cm^2 Mass : 0.2kg Rated Voltage : 12V Rated Current : 0.4A Resistance Per Phase : 30Ω±10% Inductance Per Phase: 37mH±20% Holding Torque : 260mN.m Detent Torque : 12mN.m