# ESS Series NEMA 17 Integrated Closed-Loop Stepper 0.48 N·m 24-36 VDC (ESS17-04)

![ESS Series NEMA 17 Integrated Closed-Loop Stepper 0.48 N·m 24-36 VDC (ESS17-04)](https://parts.trymaglev.com/img/mo-stepperonline-ess17-04.webp)

NEMA 17 stepper with built-in closed-loop step/dir driver and 1000 CPR encoder; low-cost way to get stall-free steppers without a separate drive.

- Maglev ID: mo-stepperonline-ess17-04
- Brand: StepperOnline
- MPN: ESS17-04
- Category: motors / Stepper & Integrated Stepper Motors
- Origin: CN (maker HQ, factory not confirmed)
- Maker: StepperOnline (OMC Corporation) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.10.40.40 (typical)
- MOQ: 1 · Lead time: unknown
- Confidence: REPORTED

## Price
- 1+: $79.95 (reported, 2026-10-29, https://www.omc-stepperonline.com/ess-series-0-48nm-68oz-in-nema-17-integrated-closed-loop-stepper-servo-motor-24-36vdc-1000cpr-ess17-04)

## Specifications
- Frame size: NEMA 17 (42 mm)
- Holding torque: 0.48 N·m
- Rated current: 2.0 A
- Step angle: 1.8°
- Motor length: 47 mm
- Integrated driver: Yes, closed-loop step/dir (PU/DR/MF, alarm out)
- Supply voltage: 24-36 VDC
- Encoder: 1000 CPR incremental
- Microstep resolution: 400-12800+ pulses/rev by DIP switch (default 1000)
- Mass: 0.43 kg

## Links
- Product: https://www.omc-stepperonline.com/ess-series-0-48nm-68oz-in-nema-17-integrated-closed-loop-stepper-servo-motor-24-36vdc-1000cpr-ess17-04
- Datasheet: https://www.oyostepper.de/images/upload/File/ESS17-04.pdf
- CAD: none

## Equivalents
- PANdrive NEMA 17 Smart Stepper 0.36 N·m with TMCM-1240 Controller (PD42-2-1240-TMCL) (mo-trinamic-pd42-2-1240-tmcl)

## Sources
- https://www.oyostepper.de/images/upload/File/ESS17-04.pdf (ESS17-04/ESS17-07 user manual (Oyostepper-hosted copy): supply range, I/O, DIP microstep table, motor length 47 mm, 0.48 N·m, 2.0 A, 0.43 kg)
- https://www.omc-stepperonline.com/ess-series-0-48nm-68oz-in-nema-17-integrated-closed-loop-stepper-servo-motor-24-36vdc-1000cpr-ess17-04 (price $79.95 from search-indexed omc-stepperonline listing; direct fetch returned 403)