| Linear Stroke | 50mm | 75mm | 100mm | 200mm | Force kg | Force lbs |
| Compact Series | Yes | Yes | Yes | No | 43 | 100 |
| Standard | No | No | Yes | Yes | 86 | 200 |
| Torque | Torque | ||||
| Rotary | Rev. | RPM | Shaft Dia | kg cm | lbs inch |
| Standard | 100 | 63 - 156 | 8mm | 4 - 35 | 3.6 - 30 |
| Heavy Duty | 100 | 26 - 705 | 12mm | 15 - 342 | 13.5-297 |
ASTRRA is a product of A. S. Thomas, Inc.
The ASTRRA change over process and products are patented and patent pending.