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X-RST240B-E08

X-RST-E Series

High load motorized rotary stages with built-in controllers and motor encoders

Photo of the X-RST240B-E08

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

X-RST240B-E08

240 mm Diameter | Large Aperture

Starting Price: $16,120

Standard Lead Time: 7-10 Days

Purchase Options

Add KX15A accessory kit  (+ $261)

North America, 48 V. Powers multiple axes

  • 1 x PS15S-48V65: Power Supply, 48 V 6.5 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

$16,376 (USD) *

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

$16,288 (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

$16,120 (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-RST240B-E08 Specifications

Microstep Size (Default Resolution) 0.00027574° (4.812 µrad)
Built-in ControllerYes Icon
Range 360°
Accuracy (unidirectional) 0.075° (1.308750 mrad)
Repeatability < 0.0015° (< 0.026 mrad)
Backlash < 0.05° (< 0.873 mrad)
Maximum Speed 60°/s (10 rpm)
Minimum Speed 0.000168°/s (2.932 µrad/s)
Speed Resolution 0.000168°/s (2.932 µrad/s)
Encoder Resolution 400 CPR (1600 states/rev)
Encoder Type Rotary quadrature encoder
Communication Interface RS-232
Communication Protocol Zaber ASCII (Default), Zaber Binary
Data Cable Connection Locking 4-pin M8
Maximum Torque 7000 N⋅cm (9912.8 oz⋅in)
Maximum Continuous Torque 4500 N⋅cm (6372.5 oz⋅in)
Maximum Centered Load 3000 N (672.8 lb)
Maximum Moment (Transverse) 20000 N⋅cm (28322.4 oz⋅in)
Stage Top Dimension 240 mm (9.449")
Radial Error Motion +/- 2.5 µm (+/- 0.000098")
Axial Error Motion < 4 µm (< 0.000157")
Tilt Error Motion +/- 0.003° (+/- 52.36 µrad)
Bearing Plane Offset 30.75 mm (1.211")
Power Supply 24-48 VDC
Power Plug 2-pin Screw Terminal
Maximum Current Draw 3600 mA
Angular Motion Per Motor Rev 3.5294°
Motor Steps Per Rev 200
Motor Type Stepper (2 phase)
Motor Rated Current 3000 mA/phase
Motor Winding Resistance 0.53 ohms/phase
Inductance 2 mH/phase
Default Resolution 1/64 of a step
Maximum Angular Momentum 1.6 kg⋅m2/s
Motor Frame Size 23
Guide Type Crossed-Roller Bearing
Mechanical Drive System Precision Worm Gear
Limit or Home Sensing Magnetic home sensor
Gear Ratio 102:1
Manual ControlYes Icon
Mounting Interface M6 threaded holes and M8 mounting holes
Operating Temperature Range 0-50 °C
CE CompliantYes Icon
Vacuum CompatibleNo Icon
Weight 14.5 kg (31.967 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