VSR-E Series
Vertical lift stages with built-in motor encoders

Image is representative of the VSR-E Series and may not match the selected variant.
VSR20A-E01T3A
20 mm Travel | Fine Resolution
Starting Price: $2,671 *
Standard Lead Time: 1-5 Days
VSR20A-E01T3A Specifications
Download Datasheet| Microstep Size (Default Resolution) | 0.09525 µm |
| Built-in Controller | |
| Recommended Controller | MCC (48 V) Recommended |
| AutoDetect | |
| Travel Range | 20 mm (0.787") |
| Accuracy (unidirectional) | 50 µm (0.001968") |
| Loaded Accuracy (10 N) | 35 µm (0.001378") |
| Repeatability | < 1 µm (< 0.000039") |
| Loaded Backlash (10 N) | < 10 µm (< 0.000394") |
| Backlash | < 35 µm (< 0.001378") |
| Maximum Speed | 55 mm/s (2.165"/s) |
| Minimum Speed | 0.000058 mm/s (0.000002"/s) |
| Speed Resolution | 0.000058 mm/s (0.000002"/s) |
| Encoder Resolution | 500 CPR (2000 states/rev) |
| Encoder Type | Rotary quadrature encoder (incremental) |
| Peak Thrust | 200 N (44.9 lb) |
| Maximum Continuous Thrust | 100 N (22.4 lb) |
| Maximum Centered Load | 100 N (22.4 lb) |
| Maximum Moment (Pitch) | 3 N⋅m (2.2 lb⋅ft) |
| Maximum Moment (Roll) | 3 N⋅m (2.214 lb⋅ft) |
| Maximum Moment (Yaw) | 3 N⋅m (2.214 lb⋅ft) |
| Straightness of Travel | < 30 µm (< 0.001181") |
| Pitch | 0.12° (2.094 mrad) |
| Roll | 0.12° (2.094 mrad) |
| Yaw | 0.12° (2.094 mrad) |
| Linear Motion Per Motor Rev | 1.2192 mm (0.048") |
| Motor Steps Per Rev | 200 |
| Motor Type | Stepper (2 phase) |
| Motor Rated Current | 1500 mA/phase |
| Motor Winding Inductance | 2.2 mH/phase |
| Motor Connection | D-sub 15 |
| Default Resolution | 1/64 of a step |
| Guide Type | Ball Bearing |
| Mechanical Drive System | Precision Lead Screw |
| Limit or Home Sensing | Magnetic home sensor |
| Axes of Motion | 1 |
| Mounting Interface | M6 and M3 threaded holes |
| Operating Temperature Range | 0-50 °C |
| CE Compliant | |
| Vacuum Compatible | |
| Weight | 0.57 kg (1.257 lb) |
* 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.
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).
Thrust Speed Performance

Typical Accuracy
