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last_updated: "2026-07-30T09:10:57.047-05:00"
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# EVA Robotics EvoDrive ST-34 Stepper Servo Controller and Motor

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: EVA Robotics
- Model: EvoDrive ST-34
- Condition: Used and in Excellent Condition
- Price: $1,250.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb
- Shipping dimensions: 14X10X10 in

## Categories

- Industrial Systems Equipment > Drives, Motors and Pumps > Servo Drives (primary)
- Industrial Systems Equipment > Drives, Motors and Pumps > Servo Motors

## Details

This unit includes the Osmtec Nema 34 Stepper Motor.

### ST-34 Controller Specifications

- Nominal Voltage: 48V DC
- Nominal Peak Motor Current: 7A
- Open-Loop Step Size: 102400 steps/rev
- Closed-Loop Accuracy: 0.02197° (Encoder/2)

### Nema 34 Stepper Motor Specifications

- Voltage: 5V/Phase
- Weight: 3.6Kg
- Length: 116mm
- Torque: 6.3 ft.lb

Part Number: FW-A303-120

Osmtec Nema 34 Stepper Motor Part Number: 34HS46-5004S

Nema 34 Stepper Motor Datasheet (pdf)

## Images

- <https://www.artisantg.com/itemimages/eva_robotics_evodrive_st_34_view4_2018516115451.jpg>
- <https://www.artisantg.com/itemimages/eva_robotics_evodrive_st_34_view3_2018516115451.jpg>
- <https://www.artisantg.com/itemimages/eva_robotics_evodrive_st_34_view1_2018516115451.jpg>
- <https://www.artisantg.com/itemimages/eva_robotics_evodrive_st_34_view2_2018516115451.jpg>
