YEJMKJ 5Pack Nema 17 Stepper Motor 1.8‌°‌ 2 Phase High Torque 0.16Nm(22.66oz·in) Bipolar 42x23mm 0.8A 3.7Ω 4-Wire Shaft 24mm φ5mm 42 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine

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상품 특징

• Parameters: Nema 17 pancake stepper motor 2 Phase, Step angle 1.8‌dge (200 steps/rev), Holding torque 0.16Nm (22.66oz·in), Resistance 3.7Ω, Rated current 0.8A, Inductance 4.3mH±20%, Rotor inertia approx 23g.cm².
• Dimensional data: Key dimensions for Nema 17 Stepper Motor include the following. Body size 42x42x22.5mm, (1.66x1.66x0.89in), Installation hole distance 31mm, Shaft length 24±0.5mm, Shaft diameter φ5mm, D-cut length 24mm, with Cable 1m, 4-Wire Black (A+) Green (A-) Red (B+) Blue (B-), Weight 141g.
• Operational Safety: This 42 Stepper 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; Temperature rise 80K MAX; Operation ambient temperature -20℃ ～+50℃ [-4°F～122°F]; Operation ambient humidity 15%RH～95%RH.
• Key Points to Remember: Increasing speed lowers torque, with the recommended speed range of 0–600 RPM Lower current decreases both torque and temperature rise, and reduced voltage results in lower torque (12–24V DC range). The 42mm Stepper Motor is widely used in 3D printers, DIY robots, CNC machines, and more. Its compact design and high torque make it ideal for tough applications.
• Precision-Built for Higher Output: Experience steadier operation with our enhanced Nema 17 Step Motor. Superior steel cores and optimized windings produce up to 20% higher holding torque. Engineered for quiet running, it reduces vibration and environmental sound interference.

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