Nema 17 Stepper Motor 1.8° 2 Phase High Torque 0.28Nm(39.65oz·in) Bipolar 42x28mm 1.6A 1.2Ω 4-Wire Shaft 24mm φ5mm 42 Stepper Motor Cable 1M for 3D Printer DIY Robot CNC Machine
Specifications: Nema 17 Stepper Motor has the following various dimensional parameters. Body size 42x42x27.5mm, (1.66x1.66x1.09in), 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 190g.
Parameters: Nema 17 Stepper Motor 2 Phase, Step angle 1.8dge (200 steps/rev), Holding torque 0.28Nm (39.65oz·in), Resistance 1.2Ω, Rated current 1.6A, Inductance 1.7mH±20%, Rotor inertia approx 34g.cm².
Safety Compliance: Operating safely and reliably, this Nema 17 Step 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 humidity 15%RH～95%RH; Operation ambient temperature -20℃ ～+50℃ [-4°F～122°F]; Temperature rise 80K MAX.
Important Considerations: 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). The 42mm 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: 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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