Nema 11 Stepper Motor 2 Phase 1.8° 13Ncm(18.41oz·in) High Torque Bipolar 45mm 7.3Ω 0.8A 4-Wire Shaft 20mm φ5mm 28 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine
Specifications: Nema 11 Stepper Motor has the following various dimensional parameters. Body size 28x28x44.8mm, (1.11x1.11x1.77in), Installation hole distance 23mm, Shaft length 20±0.5mm, Shaft diameter φ5mm, D-cut length 15mm, incl. Cable 1m, 4-Wire Black (A+) Green (A-) Red (B+) Blue (B-), Weight 179g.
Performance Data: Nema 11 mini stepper motor 2 Phase, Step angle 1.8dge (200 steps/rev), Holding torque 13Ncm (18.41oz·in), Resistance 7.3Ω, Rated current 0.8A, Rotor inertia approx 16.5g.cm², Inductance 6.8mH±20%.
Safety Compliance: With safe and reliable operation, this Nema11 Stepper Motor features 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 Considerations: 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 28mm Stepper Motor is used in various applications like 3D printers, DIY robots, and CNC machines, offering a compact design and high torque for demanding tasks.
Advanced Steel Construction: Our upgraded Nema 11 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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