Stepper motor LDO-42STH48-2804AH

Stepper Motor LDO-42STH48-2804AH

High-temperature version of the NEMA 17 stepper motor – insulation class H (up to 180 °C). With low voltage and high current, it’s ideal for torque-demanding applications such as 3D printers, CNC machines, and industrial equipment.

Technical specifications:

• Type: NEMA 17

• Model: LDO-42STH48-2804AH

• Step angle: 1.8° ±5% (200 steps per revolution)

• Number of phases: 2

• Rated voltage: 1.4 VDC

• Current per phase: 2.8 A

• Winding resistance (20 °C): 0.7 Ω ±10%

• Inductance: 0.6 mH ±20%

• Holding torque: ≥ 4.2 kg·cm (≈ 0.412 Nm or 42 N·cm)

• Weight: ~350 g

• Maximum operating temperature: up to 180 °C (Class H)

• Shaft: 5 mm diameter, 24 mm length, D-type

• Motor body length: 48 mm (without shaft)