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| Built-in Controller |  |
| Recommended Controller | MCC (48 V) Recommended |
| AutoDetect |  |
| Travel Range | 20 mm (0.787") |
| Axes of Motion | 1 |
| Weight | 0.57 kg (1.257 lb) |
| 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") |
| 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) |
| Microstep Size (Default Resolution) | 0.09525 µm |
| Default Resolution | 1/64 of a step |
| 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) |
| 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 Type | Rotary quadrature encoder (incremental) |
| Encoder Resolution | 500 CPR (2000 states/rev) |
| Limit or Home Sensing | Magnetic home sensor |
| 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 |
| Guide Type | Ball Bearing |
| Mechanical Drive System | Precision Lead Screw |
| Mounting Interface | M6 and M3 threaded holes |
* 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
