
| Reference Part Number | N/A KA50HM2-551 | 
| Type | N/A KA Series Motors with Encoder Motors (1.8 Degree/Step) - NEMA 17 / 23 | 
| Product Type | N/A Stepper Motor | 
| Series | N/A 2 Phase Round KA | 
| Motor Frame Size | N/A Dia: 50 mmDia: 1.97 in | 
| Motor Frame Size | N/A NEMA 17 | 
| Step Angle | N/A 1.8 deg./step | 
| Voltage per Phase | N/A 1.66 V | 
| Current per Phase | N/A 2.0 A | 
| Resistance per Phase | N/A 0.83 Ω | 
| Inductance per Phase | N/A 1.3 mH | 
| Holding Torque | N/A 33 oz·in231 mN·m | 
| Detent Torque | N/A 1.7 oz·in12 mN·m | 
| Rotor Inertia | N/A 50 B·cm²0.3 oz·in² | 
| Winding Method | N/A Bipolar | 
| L | N/A 1.38 in35.0 mm | 
| Weight | N/A 230 g0.5 lb | 
| Note | N/A The basic motor characteristics, connection diagrams, and accessories (lead connectors) conform to the standard specifications. | 
| No. of Channels | N/A 2 | 
| Base Motor | N/A KA50HM2-551 | 
| Resolution [P/R] | N/A 400 | 
| Power Supply Voltage | N/A DC 5V ±0.5 V | 
| Output Aspect | N/A A B | 
| Output Wave Form | N/A TTL | 
| Recommended Pull-Up Resistor Value (R) | N/A 11 K Ω | 
