YEJMKJ 3Pack Nema 17 Stepper Motor 2 Phase 1.8‌°‌ 0.28Nm(39.65oz·in) High Torque Bipolar 28mm 1.2Ω 1.6A 4-Lead Shaft 24mm φ5mm 42 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine

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상품 특징

• Size Specifications: Nema 17 Stepper Motor dimensional parameters are as follows. Body size 42x42x27.5mm(1.66x1.66x1.09in), Shaft length 24±0.5mm, Shaft diameter φ5mm, D-cut length 24mm, Installation hole distance 31mm, incl. Cable 1m, 4-Lead Black (A+) Green (A-) Red (B+) Blue (B-), Weight 190g.
• Performance Data: Nema 17 Stepper Motor 2 Phase, Step angle 1.8‌ Degree (200 steps/rev), Holding torque 0.28Nm (39.65oz·in), Resistance 1.2Ω, Rated current 1.6A, Rotor inertia approx 34g.cm², Inductance 1.7mH±20%.
• Safety Specifications: This 42 Step Motor boasts safe and reliable operation, 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 15%RH～95%RH; Temperature rise 80K MAX.
• Key Details: Higher speeds lead to a decrease in torque, with operation recommended at 0–600 RPM. Reducing current lowers both torque and temperature rise, while lower voltage reduces torque (12–24V DC range). Commonly used in 3D printers, DIY robots, CNC machines, and other automated systems, the 42mm Stepper Motor is compact yet provides high torque for heavy-duty tasks.
• Exceptionally Quiet Powerhouse: Choose our upgraded Nema 17 Step Motor for increased holding torque and remarkably quiet function. Re-engineered steel cores and precision windings minimize noise, contributing to smoother overall system operation with less ambient disruption.

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