Applied Motion Products, Inc. 1-800-525-1609 Product Datasheet 404 Westridge Dr. Tel (831) 761-6555 Watsonville, CA 95076, USA www.Applied-Motion.com 4023-820 NEMA 23 Step Motor Product Features Closeout sale in progress (single shaft version only) Limited quantity in stock 2-phase hybrid step motor Standard NEMA 23 dimensions 1.8 degree step angle Description Product Description: The 4023-820 stepper motor with single shaft (see Note below) is a two-phase hybrid step motor with a NEMA 23 frame size. The motor is no longer in production (and normally listed as archived on our website) but is being offered in a closeout sale to clear our inventory. Once the remaining inventory of this motor is depleted the motor will revert to being listed as archived on our website and will no longer be available for purchase. This makes the motor a good choice for one-time applications, research & development work, and hobbyist projects. Note: Only the single-shaft version of this motor is available for purchase in the closeout sale. The double-shaft version, 4023-820D, is not available. All sales are final.Specifications Part Number: 4023-820 Frame Size: NEMA 23 Motor Type: Standard torque Motor Length: 1.98 inches Number of Lead 6 Wires: Lead Wire flying leads, no connector Configuration: Lead Wire/Cable 18 inches inches Length: Lead Wire Gauge: 22 AWG Unipolar Holding 53.0 oz-in Torque: Bipolar Holding 74.9 oz-in Torque: Step Angle: 1.8 deg Bipolar Series 2.8 A/phase Current: Bipolar Series 0.66 Ohms/phase Resistance: Bipolar Series 1.4 mH/phase Inductance: Unipolar Current: 3.9 A/phase Unipolar Resistance: 0.33 Ohms/phase Unipolar Inductance: 0.35 mH/phase 2 Rotor Inertia: 1.56E-03 oz-in-sec Integral Gearhead: No Weight: 1.3 lbs Storage Temperature: -40 to 70 C Operating -10 to 40 C Temperature: Insulation Class: Class B (130 C) Maximum Radial Load: 15 lbs Maximum Thrust 25 lbs Load: Shaft Run Out: 0.001 inch T.I.R. max Radial Play: 0.001 inch max w/ 1.0 lb load End Play: 0.001 inch max w/ 9.0 lb load