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  1. High torque
    Output is 1.3 times as high as conventional products.
  2. Low noise -7dB(A) quieter than conventional products.
Unit of Measure


N/A 2-Phase Hybrid Stepping Motor

Motor Frame Size

N/A 39 x 39 mm1.54 x 1.54 in

No. of Phases

N/A 2

Rotor Inertia

N/A 27 g·cm²0.15

Product Type

N/A Hybrid Stepping Motor


N/A 2 Phase Square KH

Step Angle

N/A 1.8 deg./step

Voltage per Phase

N/A 4.60 V

Current per Phase

N/A 0.65 A

Resistance per Phase

N/A 7.0 Ω

Inductance per Phase

N/A 9.8 mH

Holding Torque

N/A 22 oz·in157 mN·m

Detent Torque

N/A 1.7 oz·in11.8 mN·m

Winding Method

N/A Bipolar

Insulation Class

N/A E Equivalent (120 ºC/248 ºF) UL Value : Class B (130 ºC)

Insulation Resistance

N/A 500 VDC, 100 MO min.

Dielectric Strength

N/A 500 VAC, 50 HZ, 1 min.

Ambient Temperature Range

N/A 0 to 50 ºC


N/A 240 g0.53 lb

Allowable Temperature Range

N/A 70 ºK

Series Code

N/A KH39


Connection Cable to Motor


Connection Diagrams

Driver Selection Guide

Explanation of Dynamic Torque Curves

Motor Selection Guide

System Configuration