B - 48 - 42 - B SPECIFICATIONS B-48-42-B17 B-48-42-B15 B-48-42-B18 . Units Bipolar, Medium Torque Bipolar, High Torque, High Speed Bipolar, High Torque, High Speed Operating Voltage V 6 12 24 Rated Current mA 700 1000 800 Resistance per phase W 8 12 30 Inductance per phase mH 5 7 16 Holding Torque g-cm 580 1650 1360 Detent Torque g-cm 85 85 85 Rotor Inertia g-m2 10.6 x 10-4 10.6 x 10-4 10.6 x 10-4 Weight gms 90 90 90 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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