Stepper Motor - 1.3 N.m NEMA 23 Open-Loop
Single shaft NEMA 23, 2 phase bipolar stepper motor with 1.3 N.m of holding torque. Rated at 3.0 A phase current, weighing 0.7 kg with 55 mm body length and 6.35 mm shaft diameter. Drive this motor using the EM556S (SMC-054)
The 57CM13-3A is a 2 phase NEMA 23 stepper motor with 1.3 N.m (185 oz-in) holding torque. It can be implemented in many Industrial motion control applications. Built with premium quality materials including bearings and shaft made by Japanese manufacturers, this 57CM13-3A stepper motor can move the attached load at high precision and with very low motor heating & vibration.
Industrial grade small stepper motor, ideal for small CNC projects and robots. Has a holding torque of 1.3 N.m. 6.35 mm diameter round shaft. This NEMA 23 frame motor is 56.4 mm square on the face, with four M5 taped holes. The mounting holes are 47.14 mm from center to center.
We recommend you drive this motor using the EM556S (SMC-054)
Features:
- Built with high quality materials including bearings
- High precision, low motor heating, and low vibration

Step angle: 1.8°
Temperature rise (Max): 80 °C
Ambient temperature: -10 to 50 °C
Insulation Resistance (at 500 VDC): 100 MΩ
Shaft radial play (450 g load): ≤0.02 mm
Shaft axial play (900 g load): ≤0.08 mm
Current per phase: 3.0 A
Resistance per phase: 0.8 Ω
Inductance per phase: 2.8 mH
Holding torque: 1.3 N.m
Number of leads: 4
Rotor inertia: 0.11 kg-cm2
Weight: 0.7 kg
Body length: 55 mm
Dispatch
In-stock orders are dispatched within 2 business days.
Shipping options
We deliver across Australia and internationally by any of the following methods:
- Australia Post Express
- Australia Post Parcel Post
- DHL
- FedEx (only international)
- Freight account. We'll email packaging dimensions when the shipment is ready to be book.
*Transit times vary depending on the shipping method and destination.
Store Pickup - Carrum Downs, Victoria, 3201
Order before 11am to collect after 2pm the same day. Mon–Fri, 9am–5pm, excludes public holidays.
RETURNS
How to return an item Contact us before sending anything back. Email info@oceancontrols.com.au or call +61 3 9708 2390. We'll confirm eligibility and guide you to the return process.
Return window 14 days from dispatch date.
Condition required Items must be unused and in original packaging, including all documentation and manuals.
Restocking fee A 20% restocking fee applies to all accepted returns. Return shipping costs are the customer's responsibility.
Non-returnable items
- Custom-made or specially imported products
- Software licences (some software have trial versions available)
- Items not in original, as-new condition
WARRANTY
How to make a warranty claim Before returning anything, please contact us. Our engineers can often resolve the issue remotely. If a return is required, our team will provide you with a warranty form to include with the goods.
What's covered Defects in materials and workmanship under normal use and correct installation.
What's not covered The warranty does not cover damage or failures caused by factors outside our control, including incorrect installation, unauthorised alterations or modifications, or any installation or use not recommended by the manufacturer.
Standard warranty All products carry a 12-month warranty from the date of purchase unless stated otherwise.
Extended warranty
- Labjack: 5 Years
- Atop: 5 Years
- MeanWell: 3 Years
- Teracom: 3 Years
- Novus: 3 Years
















