YEJMKJ Nema 8 Stepper Motor 2 Phase 1.8‌°‌ 2.8Ncm(3.97oz·in) High Torque Bipolar 40mm 11Ω 0.5A 4-Lead Shaft 10mm φ4mm 20 Micro Stepper Motor Cable 0.5M for 3D Printer DIY Robot CNC Machine

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,478 (2026-07-23 기준)

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• Specifications: Dimensional parameters of Nema 8 Stepper Motor are as follows. Body size 20x20x39.25mm(0.79x0.79x1.55in), Shaft length 10±0.5mm, Shaft diameter φ4mm, D-cut length 7mm, Installation hole distance 15.5mm, with Cable 0.5m, 4-Lead Black (A+) Green (A-) Red (B+) Blue (B-), Weight 76g.
• Performance Data: Nema 8 mini Stepper Motor 2 Phase, Step angle 1.8‌ Degree (200 steps/rev), Holding torque 2.8Ncm (3.97oz·in), Resistance 11Ω, Rated current 0.5A, Rotor inertia approx 3.5g.cm², Inductance 3.8mH±20%.
• Safety Compliance: Operating safely and reliably, this Nema8 Stepper 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.
• Important Details: Faster speeds lead to lower torque; the recommended operating range is 0–600 RPM. Lower current reduces torque and temperature rise, while lower voltage decreases torque (recommended range: 12–24V DC). The 20mm Stepper Motor is perfect for 3D printers, DIY robots, CNC machines, and other automated systems, offering a compact size and high torque for demanding tasks.
• Unlock Machine Capability: Our upgraded Nema 8 Step Motor delivers up to 20% greater holding torque than typical models. Featuring enhanced steel cores and refined windings, it operates with noticeably reduced noise for smoother, less disruptive machine performance.

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