MoTech Closed Loop NEMA 17 Stepper Motors

MoTech Closed Loop NEMA 17 Stepper Motors MoTech Motor offers premium quality closed loop Stepper Motors. HartSmart Products had these closed loop stepper motors custom made by MoTech to ensure they will work well in most 3D printers. As a part of our customizations, all of these NEMA 17 stepper motors include: 27mm shaft length Full-length D-cut for a flat side the entire length of the 27mm shaft NOTE:Closed Loop Steppers will require a Closed Loop Stepper Driver, and are not drop-in replacements for Open Loop Stepper Motors. Motor Specifications   Motor Length Model # Step Angle Rated Current (Amps/Phase) Holding Torque (oz.in) Holding Torque (kg.cm) Resistance (Ohms/Phase) 48mm+20mm(68mm total) MT-1704HS200EC-1000 1.8° 2.00 83.3 6.0 1.4 60mm+20mm (80mm total) MT-1705HS200EC-1000 1.8° 2.00 114.0 8.2 2.0 Product Specifications Item Specifications Degrees Per Step 1.8° Step Angle Accuracy 1.8°±5% (full step, no load) Resistanc