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Deal.ai › StepperOnline
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StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit

StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit

Best price now

$76.89at StepperOnlineChecked 12 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $76.89 at StepperOnline (checked Nov 10, 2026).
  • Checked at 2 stores.

Our take on the StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit

This is a matched Nema 34 closed-loop stepper kit: an 86 x 86 mm two-phase motor with about 4.3 Nm (609 oz.in) of holding torque, an encoder on the rear shaft, and a driver that closes the loop. The encoder feedback lets the driver detect lost steps and raise a fault instead of silently stalling, which is the main reason to pick it over an open-loop Nema 34. It suits CNC routers, plasma tables, large 3D printers and automation builds that need high torque with position confidence. Against open-loop setups it costs more and needs encoder wiring, but it removes the guessing about whether the gantry actually moved.

Best forCNC router and plasma table buildersAutomation and motion projects needing high torqueUpgrades from open-loop Nema 34 setupsBuilders who want stall detection
Pros
  • Closed-loop feedback catches lost steps and faults out
  • High holding torque for its frame size
  • Motor, driver and encoder cable come as a matched set
  • Keyway shaft takes pulleys and couplings securely
  • RS232 port and debug cable for tuning in setup software
Cons
  • Encoder cable adds wiring and routing work
  • Driver needs a separate DC supply you provide
  • Bulkier and heavier than Nema 23 options
  • Closed-loop tuning takes more setup than open-loop
  • Documentation and software are aimed at experienced users

StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit prices at every store

  • StepperOnlineNew

    In stock

    $76.89Checked 12 h ago
    Visit StepperOnline
  • eBayNew

    In stockSold by mybotonline

    $119.00Checked 12 h ago
    Visit eBay

Store links may earn us a commission.

StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit price history

Lowest price we've seen: $76.89 on Nov 10 at StepperOnline. Tracked across 2 stores since Nov 10.

What reviewers say

Owners of StepperOnline closed-loop kits generally report reliable running and good torque once tuned, and value getting motor and driver matched. Complaints center on setup: wiring the encoder, tuning the driver, and thin documentation.

What people mention
  • TorquePraisedOwners say it drives heavy gantries and loads that stalled smaller open-loop motors.
  • Closed-loop reliabilityPraisedFeedback faults out on lost steps instead of running on silently, which users trust for CNC work.
  • SetupMixedTuning the driver and configuring the loop works but takes patience, especially for first-timers.
  • Encoder wiringCriticisedRouting and shielding the encoder cable is the part owners find most tedious.
  • DocumentationCriticisedManuals and software guidance are seen as thin, so users lean on forums.

Specifications

Type
Stepper
Voltage
5V (Output High Voltage)
Current Type
DC, AC
Phase
2
Frequency
60kHZ (Output Frequency Max)
Operating Voltage Range
5V (Supply Voltage Max)
Torque
608.93oz.in (Holding Torque)

Questions and answers

Is closed loop worth it over an open-loop Nema 34?
Yes if a missed step ruins a part or a gantry crash is costly. The driver detects position error and faults instead of continuing blind. For light, low-risk motion, open-loop is simpler and cheaper.
What power supply does the driver need?
The kit is the motor, driver and cables; you supply a DC power supply. Match its voltage and current to the driver's rating and your motion needs, and leave headroom for acceleration.
Will it fit my existing Nema 34 mounts?
The frame is the standard 86 x 86 mm Nema 34 size, so bolt patterns usually match. Check body length and the 14 mm keyed shaft against your coupling or pulley before ordering.
Can I use it with Mach3, LinuxCNC or GRBL?
The driver takes standard step and direction signals, so it works with common CNC controllers. You configure steps per revolution and current on the driver, then tune in the setup software over RS232.
What is in the box?
You get the Nema 34 motor with rear encoder, the closed-loop driver, the encoder extension cable and a debug cable. Mounting hardware and the power supply are not included.
How does it compare with a servo?
A stepper kit is simpler and holds torque at standstill without tuning loops. Servos are quieter, faster at high speed and more efficient, but cost more and need servo drives and tuning.
Where is the StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit cheapest?
At StepperOnline, for $76.89, as of our latest check.
Where can I buy the StepperOnline TS Series 1 Axis 4.30Nm Nema 34 Closed Loop Stepper Kit?
2 stores we checked sell it, including StepperOnline, eBay.

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Length
98mm (Body Length)
Shaft Diameter
14mm
Overall Dimensions
86 x 86mm (Frame Size)
Shaft Length
37mm
Connections
Motor and Encoder Connection, Encoder Extension Cable Connection
Frame Size
86 x 86mm
Shaft Type
Keyway Shaft