YEJMKJ 0.9° Nema 17 Stepper Motor 2 Phase High Torque 0.32Nm(45.32oz·in) Bipolar 2.1Ω 1.3A 40mm Body 4-Wire Shaft 22mm φ5mm 42 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine

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상품 특징

• Characteristics: Nema 17 Stepper Motor 2 Phase, Step angle 0.9 degree (400 steps/rev), Holding torque 32Ncm (45.32oz·in), Resistance 2.1Ω, Rated current 1.3A, Rotor inertia approx 60g.cm², Inductance 5.2mH±20%.
• Specifications: 0.9deg Nema 17 Stepper Motor has the following various dimensional parameters. Body size 42x42x39.25mm(1.66x1.66x1.55in), Shaft length φ5mm, Shaft diameter 22mm, D-cut length 15mm Installation hole distance 31mm, with Cable 1m, 4-Lead Black (A+) Green (A-) Red (B+) Blue (B-), Weight 293g.
• Safety: Operating safely and reliably, this Nema17 Step motor comes with the following key safety parameters. Dielectric strength 500V A.C 1 MINUTE; Insulation class(UL) B (130℃) [266°F]; Insulation resistance 100MΩ MIN; Operation ambient temperature -20℃ ～+50℃ [-4°F～122°F]; Operation ambient humidity ; Temperature rise 80K MAX.
• Exceptionally Quiet Powerhouse: Generate up to 20% stronger holding torque compared to standard units with this Nema 17 Stepper Motors. Its robust steel core construction and specialized winding design minimize operational noise, enabling quieter and more efficient machinery.
• Key Details: As speed increases, torque decreases. The ideal speed range is 0–600 RPM. Lower current lowers both torque and temperature rise, and lower voltage reduces torque (12–24V DC recommended). Commonly used in 3D printers, DIY robots, CNC machines, and automation systems, the 42mm Stepper Motor is compact yet provides high torque for heavy-duty tasks.

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