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X-RST120AK

X-RST Series

High load motorized rotary stages with built-in controllers

Photo of the X-RST

Image is representative of the X-RST Series and may not match the selected variant.

X-RST120AK

120 mm Diameter

Starting Price: $4,943

Standard Lead Time: 1-5 Days

Purchase Options

Add KX14A accessory kit  (+ $173)

North America, 48 V. Powers multiple axes

  • 1 x PS14S-48V37: Power Supply, 48 V 3.75 A
  • 1 x X-DC02: Data Cable, 2 ft (0.6 m), X-Series Products
  • 1 x X-USBDC: USB to Serial Converter Cable, M8 Female Plug, X-Series Products

Total Price

$5,111 (USD) *

Add KX13A accessory kit  (+ $98)

North America, 48 V. Powers one axis

  • 1 x PS13S-48V12: Power Supply, 48 V 1.25 A
  • 1 x X-DC02: Data Cable, 2 ft (0.6 m), X-Series Products
  • 1 x X-USBDC: USB to Serial Converter Cable, M8 Female Plug, X-Series Products

Total Price

$5,036 (USD) *

Add PTB2 accessory  (+ $5)

Power Supply Not Included

  • 1 x PTB2: Power Terminal Block, 2 Pin, 5 mm Pitch, for Custom Power Supply

Total Price

$4,943 (USD) *

* These are our direct prices in USD to customers in North America. If you are in Canada, click the Canadian flag icon at the top right of the page to see CAD prices. If you are in a country outside North America where we have an exclusive distributor, please check with the distributor for pricing. Distributor prices might be slightly higher to factor in shipping and import fees. Click here for a list of Zaber's Distributors.

Download Datasheet

X-RST120AK Specifications

Microstep Size (Default Resolution) 0.00015625° (2.727 µrad)
Built-in ControllerYes Icon
Range 360°
Accuracy (unidirectional) 0.16° (2.792000 mrad)
Repeatability < 0.005° (< 0.087 mrad)
Backlash < 0.05° (< 0.873 mrad)
Maximum Speed 24°/s (4 rpm)
Minimum Speed 0.000095°/s (1.658 µrad/s)
Speed Resolution 0.000095°/s (1.658 µrad/s)
Encoder TypeNo Icon
Communication Interface RS-232
Communication Protocol Zaber ASCII (Default), Zaber Binary
Data Cable Connection Locking 4-pin M8
Maximum Torque 1000 N⋅cm (1416.1 oz⋅in)
Maximum Continuous Torque 1000 N⋅cm (1416.1 oz⋅in)
Maximum Centered Load 500 N (112.1 lb)
Maximum Moment (Transverse) 2000 N⋅cm (2832.2 oz⋅in)
Stage Top Dimension 120 mm (4.724")
Radial Error Motion +/- 3 µm (+/- 0.000118")
Axial Error Motion < 3 µm (< 0.000118")
Tilt Error Motion +/- 0.0014° (+/- 24.43 µrad)
Bearing Plane Offset 27.1 mm (1.067")
Power Supply 24-48 VDC
Power Plug 2-pin Screw Terminal
Maximum Current Draw 1100 mA
Angular Motion Per Motor Rev
Motor Steps Per Rev 200
Motor Type Stepper (2 phase)
Motor Rated Current 1500 mA/phase
Inductance 6.6 mH/phase
Default Resolution 1/64 of a step
Maximum Angular Momentum 0.4 kg⋅m2/s
Motor Frame Size 17
Guide Type Preloaded Ball Bearing
Mechanical Drive System Precision Worm Gear
Limit or Home Sensing Magnetic home sensor
Gear Ratio 180:1
Manual ControlYes Icon
Mounting Interface Kinematic with M2.5 and M6 threaded holes
Operating Temperature Range 0-50 °C
CE CompliantYes Icon
Vacuum CompatibleNo Icon
Weight 2.4 kg (5.291 lb)

Specification Charts & Notes

Thrust or torque is a function of speed. The values given above are maximums. These values cannot both be achieved simultaneously (i.e. at maximum speed, the unit will not produce maximum thrust).

Torque Speed Performance