RSB-E Series
High speed motorized rotary stages with built in motor encoders and optional brakes
Image is representative of the RSB-E Series and may not match the selected variant.
RSB120AB-E08T3A
120 mm Diameter | High Torque | Motor Down
Starting Price: $2,957
Standard Lead Time: 1-5 Days
Purchase Options
Stand-alone
Total Price
$2,957 (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.
RSB120AB-E08T3A Specifications
| Microstep Size (Default Resolution) | 0.005625° (98.173 µrad) |
| Built-in Controller |  |
| Recommended Controller | MCC (48 V) Recommended |
| AutoDetect |  |
| Range | 360° |
| Accuracy (unidirectional) | 0.28° (4.886000 mrad) |
| Repeatability | < 0.001° (< 0.017 mrad) |
| Backlash | < 0.25° (< 4.362 mrad) |
| Maximum Speed | 5400°/s (900 rpm) |
| Minimum Speed | 0.003434°/s (59.934 µrad/s) |
| Speed Resolution | 0.003434°/s (59.934 µrad/s) |
| Encoder Resolution | 400 CPR (1600 states/rev) |
| Encoder Type | Rotary quadrature encoder |
| Maximum Continuous Torque | 750 N⋅cm (1062.1 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 | 20 mm (0.787") |
| Angular Motion Per Motor Rev | 72° |
| Motor Type | Stepper (2 phase) |
| Motor Rated Current | 3000 mA/phase |
| Motor Winding Resistance | 0.53 ohms/phase |
| Inductance | 2 mH/phase |
| Motor Connection | D-sub 15 |
| Default Resolution | 1/64 of a step |
| Mechanical Drive System | Synchronous belt |
| Limit or Home Sensing | Magnetic home sensor |
| Mounting Interface | Kinematic with M2.5 and M6 threaded holes |
| CE Compliant | |
| Vacuum Compatible | |
| Weight | 2.1 kg (4.630 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).
