The PHB42T Series NEMA 17 3-phase stepper motors feature a 1.2° step angle with ±5% full-step accuracy, ensuring precise motion for compact applications. Designed for low inertia and smooth operation, these motors offer optional brake, encoder and gearbox. Shaft radial/axial play is ≤0.02/0.08 mm, temperature rise max 80°C, insulation ≥100 MΩ, dielectric strength 500 VAC/1 min. Available in lengths from 34 mm to 48 mm, these motors are ideal for miniature CNC machines, office automation, and industrial devices requiring compact, accurate, and reliable 3-phase performance.