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| PartNumber | 4023-819 | 4023-820D | 4023-820 |
| Description | Motors & Drives Stepper Motors .71A 74.9 TRQ 2.0IN | Motors & Drives Stepper Motors 2.76A 74.9 TRQ 2.0IN DOUBLE SHAFT | Motors & Drives Stepper Motors 2.76A 74.9 TRQ 2.0IN |
| Manufacturer | Applied Motion | Applied Motion | Applied Motion |
| Product Category | Stepper Motors | Stepper Motors | Stepper Motors |
| Type | Standard Torque | - | Standard Torque |
| Part Aliases | HT23-593 | - | - |
| Current Rating | 710 mA | 2.76 A | 3.3 A |
| Voltage Rating | 7.2 V 5.1 V | 1.8 V | 80 V |
| Wire Gauge | 22 AWG | - | 22 AWG |
| Cable Length | 18 in | - | 18 in |
| Step Angle | 1.8 deg | 1.8 deg | 1.8 deg |
| Frame Size NEMA | NEMA 23 | NEMA 23 | NEMA 23 |
| Connection | Unipolar Bipolar | Series | Unipolar Bipolar |
| Minimum Holding Torque | 53 oz-in 74.9 oz-in | 74.9 oz-in | 53 oz-in 74.9 oz-in |
| Pin or Wire Count | 6 | 6 | 6 |
| Rotor Inertia | 0.547 oz-in-sq | 0.547 oz-in-sq | 0.547 oz-in-sq |
| Dimensions | 50.292 mm L x 56.39 mm H x 56.39 mm W | 50.8 mm L x 56.39 mm H x 56.39 mm W | 50.292 mm L x 56.39 mm H x 56.39 mm W |
| Packaging | - | Bulk | - |