Rotor stepper Size 11

rotor

Overview
Size 11 (28 mm) 5-phase hybrid rotary stepper motor product page covering two model variants, with motor characteristics, dimensional drawings, permissible radial loads, torque performance curves and test condition information.

Motor Characteristics
Model | Phase | Step angle (°) | Rated current (A) | Resistance (Ω) | Inductance (mH) | Holding torque (N·m) | Rotor inertia (g·cm²) | Length (mm) | Weight (kg)
11H5033-120-5AT | 5 | 0.72 | 1.2 | 0.56 | 0.2 | 0.05 | 9 | 33 | 0.11
11H5052-120-5AT | 5 | 0.72 | 1.2 | 0.88 | 0.45 | 0.09 | 18 | 52 | 0.2

Permissible Radial Load (measured at distances from mounting surface)
Distance from mounting surface: 5 mm | 10 mm | 15 mm | 20 mm
Permissible radial load: 50 N | 35 N | 25 N | 20 N

Dimensional Drawings / Available Model Tabs

• 11H5033-120 (dimensional drawing and product image)
• 11H5052-120 (dimensional drawing and product image)

Torque Performance Curves
Speed/torque curves provided for Size 11 (28 mm) to support selection for low‑speed and dynamic applications.

Test Condition
Testing Voltage: 24 Vdc; Driver Model: DS-OLF2-FPD; Rated Current: 1.2 A (rms).

Technical specifications

• Series / Size: Size 11 (28 mm)
• Phase: 5-phase
• Step angle: 0.72°
• Rated current: 1.2 A (rms)
• Resistance (per phase): 0.56 Ω (11H5033) / 0.88 Ω (11H5052)
• Inductance (per phase): 0.2 mH (11H5033) / 0.45 mH (11H5052)
• Holding torque: 0.05 N·m (11H5033) / 0.09 N·m (11H5052)
• Rotor inertia: 9 / 18 g·cm² (11H5033 / 11H5052)
• Length: 33 mm (11H5033) / 52 mm (11H5052)
• Weight: 0.11 kg (11H5033) / 0.2 kg (11H5052)
• Permissible radial loads (at 5, 10, 15, 20 mm): 50 N, 35 N, 25 N, 20 N
• Test condition for torque curves: 24 Vdc, Driver DS-OLF2-FPD, Rated current 1.2 A (rms)