YEJMKJ 0.9° Nema 17 Stepper Motor 2 Phase High Torque 0.17Nm(24.07oz·in) Bipolar 3.6Ω 1.0A 26mm Body 4-Wire Shaft 17mm φ5mm 42 Stepper Motor incl. Cable 1M for 3D Printer DIY Robot CNC Machine

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상품 특징

• Parameters: Nema 17 Stepper Motor 2 Phase, Step angle 0.9 degree (400 steps/rev), Holding torque 17Ncm (24.07oz·in), Rated current 1.0A, Resistance 3.6Ω, Inductance 4.9mH±20%, Rotor inertia approx 33g.cm².
• Dimensional details: The physical dimensions of a 0.9deg Nema 17 Stepper Motor are summarized below. Body size 42x42x25.65mm(1.66x1.66x1.01in), Shaft length φ5mm, Shaft diameter 17mm, D-cut length 13mm Installation hole distance 31mm, incl. Cable 1m, 4-Lead Black (A+) Green (A-) Red (B+) Blue (B-), Weight 175g.
• Safety: This Nema17 Stepper Motor operates safely and reliably. Here are its key safety parameters: Dielectric strength 500V A.C 1 MINUTE; Insulation resistance 100MΩ MIN; Insulation class(UL) B (130℃) [266°F]; Temperature rise 80K MAX; Operation ambient temperature -20℃ ～+50℃ [-4°F～122°F]; Operation ambient humidity 15%RH～95%RH.
• Smarter Core Design: 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.
• Notes to Remember: 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). The 42mm Stepper Motor is ideal for 3D printers, DIY robots, CNC machines, and other automation systems, with compact size and high torque for complex tasks.

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