Motor outside dimension in tenths of an inch (EX: Size 17=1.7" Dia)
(2).Type of Stepping Motor
HA: High Torque 0.9° HE: Standard Torque 3.6° HD: High Torque 1.8° (for Type 17)
HC: High Torque 1.2° HY: Standard Torque1.8° HS: High Torque1.8° (for Type 23)
(3).Motor Length (mm)
(4).Number of lead wires: 4 wires, 5 wires, 6 wires, 0 indicates connector only (5).Electric Variation: Variety of resistance and inductance (6).Mechanical Variation: Variety of shaft and lead wires.
2. General Specifications
Step Accuracy Temperature Rise Insulation Resistance Dielectric Strength Radial PlayMAX(450g) End PlayMAX(450g ) Insulation Class
+/-5% 80oC MAX 100M ohm MIN. 500V DC 500V AC 1 min 0.02mm MAX(450g) 0.08mm MAX(450g ) B
STEPPING MOTORS 
