The spec sheet says 3.2 vdc, is this right since some say they are hitting it with 24vdc.

I don't know about 24V but personally I run it at 12V and it runs fine. Where do you find a driver with 3.2 VDC anyway?

does it work with MB450A Driver?

Yes, that is the driver I use with thi s motor.

I'm not sure. Steppers are more usually used for precise movements than for speed, and the maximum speed most mostly reflects the maximum frequency and minimum microstep ratio of the driver. I doubt it exceeds 1000 rpm, if that high.

I am planning on using this to move 100 lbs down a rack pinion track while supporting the weight with bearing carriages on rails. Will this do that?

You need to know your desired maximum acceleration, static and dynamic friction and gear ratio. Or find some way of estimating it from similar applications you can find data for, or ask on reddit :)

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⚡ Step up your CNC game with precision power that won’t quit!

PLUG PLAY READY - Four-wire bipolar design with clear color-coded leads for hassle-free integration into your CNC controller.
COMPACT YET MIGHTY - NEMA 23 frame (57x57mm) with a 76mm body length fits seamlessly into your CNC mill setup without bulk.
POWER THAT MOVES YOU - Robust 1.9 Nm holding torque ensures your projects stay rock-solid under load—no slipping, no compromises.
PRECISION IN EVERY STEP - Experience ultra-smooth motion with a fine 1.8° step angle, delivering 200 steps per revolution for CNC-grade accuracy.
OPTIMIZED CURRENT CONTROL - Rated at 2.8A per phase, this motor balances power and efficiency for sustained high-performance operation.

The STEPPERONLINE Nema 23 Bipolar CNC Stepper Motor (model 23HS30-2804S) delivers professional-grade performance with a 1.8° step angle, 1.9 Nm holding torque, and 2.8A rated current per phase. Its compact NEMA 23 frame and 4-wire bipolar design make it ideal for CNC milling applications requiring precise, reliable motion control.

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Manufacturer	STEPPERONLINE
Part number	23HS30-2804S
Item Weight	1.04 Kilograms
Item model number	23HS30-2804S
Material	Alloy Steel Metal Copper Aluminum
Shape	Square
Power source type	DC
Voltage	3.2 Volts
Horsepower	1.13 Horsepower
Item Package Quantity	1
Speed	200 RPM
Cutting Diameter	15 Millimeters
Specification met	Nema
Batteries Included?	No
Batteries Required?	No
Item diameter	15 Millimeters

STEPPERONLINE Nema 23 Bipolar CNC Stepper Motor 2.8A 7.6L 1.9Nm CNC Mill Mill

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