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Phidgets 3329_0 42STH38 NEMA-17 Bipolar Stepper with 99.51:1 Gearbox

Item number: 22049

EAN: 4251326840702

This bipolar stepper with a rear shaft and a planetary gearbox has a 0.018° step angle and 48 kg·cm of torque at low speeds.

Category: Motors, Actuators & Servos

82,06 €

including 19% VAT. , plus shipping (Standard)

From Price per unit
10 72,99 €
Available now!

Shipping time: 6 - 7 workdays


This NEMA-17 motor has an integrated Planetary gearbox with a 991044/2057 :1 ratio.It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

At the output of the gearbox, the step angle is approximately 0.018°. When using the step angle in calculations, you should derive the exact step angle by dividing 1.8° by the gearbox reduction ratio.

At 1.7 Amps, this gearbox stepper can produce a maximum torque of 250 kg-cm. However, the gearbox is only rated for 48 kg-cm of continuous torque, and 100 kg-cm for brief overloads. Loading this gearbox stepper beyond the torque rating of the gearbox will shorten its useful life.


This motor must be controlled by a constant current or chopper drive controller.


Connecting the motor directly to a power supply will destroy the motor and void the warranty. If you want to check your motor make sure it is connected to a constant current / chopper drive controller.

Shipping weight: 0,80 Kg
Product weight: 0,60 Kg