HT17-278 - NEMA 17 High Torque Step Motor

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HT17-278 - NEMA 17 High Torque Step Motor

The HT17-278 two-phase stepper motor is suitable for a wide range of motion control applications. Terminated with 8 motor leads, the motor can be connected in a few different ways, including bipolar series and bipolar parallel.The single and double-shaft versions of this motor are UL Recognized in the US and Canada, file no. E472271. The encoder is not included in the listing.

2-phase hybrid step motor
High torque design
Standard NEMA 17 dimensions
Series or parallel wiring

Company Applied Motion
Part Number ht17_278_nema_17_high_torque
Bipolar Holding Torque 113 oz-in
Bipolar Parallel Current 2.0 A/phase
Bipolar Parallel Inductance 3.0 mH/phase
Bipolar Parallel Resistance 1.6 Ohms/phase
Concentricity 02 inches
End Play 03 inch max w/ 1.1 lb load
Frame Size NEMA 17
Insulation Class Class B (130 C)
Integral Gearhead No
Lead Wire Cable Length 12 inches
Lead Wire Configuration flying leads, no connector
Lead Wire Gauge 26 AWG
Maximum Radial Load 4.7 lbs
Maximum Thrust Load 2.25 lbs
Motor Length 2.47 inches
Motor Type High torque
Number Of Lead Wires 8
Operating Temperature -20 to 50 C
Part Number HT17-278
Part Number w/Double Shaft  HT17-278D
Perpendicularity 04 inches
Radial Play 008 inch max w/ 1.1 lb load
Rotor Inertia 1.74E-03 oz-in-sec2
Shaft Diameter 5 mm (0.197 inch)
Shaft Run Out 012 inch T.I.R. max
Step Angle 1.8 deg
Storage Temperature -30 to 70 C

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