D - 48 - 42 - B SPECIFICATIONS D-48-42-B27 D-48-42-B25 D-48-42-B28 . Units Bipolar, Medium Torque Bipolar, High Torque Bipolar, High Torque Operating Voltage V 6 12 24 Rated Current mA 700 per stack 1000 per stack 800 per stack Resistance per phase W 4 6 15 Inductance per phase mH 5 7 16 Holding Torque g-cm 1015 2075 2410 Detent Torque g-cm 105 105 105 Rotor Inertia g-m2 21.3 x 10-4 21.3 x 10-4 21.3 x 10-4 Weight gms 175 175 175 Step Angle degrees 7.5 7.5 7.5 Step angle accuracy o +/- 0.5o +/- 0.5o +/- 0.5o Max. operating temperature oC 100 100 100 Dielectric strength - 1000 VAC for 1 min. 1000 VAC for 1 min. 1000 VAC for 1 min. End play mm 0.2 0.2 0.2
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