The Haitronic Stepper Motors HR0733 stepper motor is designed for use in an MK9 3D printer extruder. It is a Nema 17 motor with a length of 40 mm. The package includes a cooling fan and a 40 × 40 mm aluminum heatsink.
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Motor type: Nema 17
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Motor length: 40 mm
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Step angle accuracy: ±5% (full step, no load)
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Resistance accuracy: ±10%
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Inductance accuracy: ±20%
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Maximum temperature rise: 80 °C (rated current, two phases energized)
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Ambient temperature: -20 °C to +50 °C
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Minimum insulation resistance: 100 MΩ (500 V DC)
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Dielectric strength: 500 V AC for one minute
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Cooling: Cooling fan
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Heatsink: Aluminum, 40 × 40 mm
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Weight: 430 g
