| SIZE: | SR21 = Actuator Frame Size 56,9 mm |
| STROKE: | 03 = Stroke 76 mm |
| LEAD: | 04 = 10.16 mm per rotation |
| CONNECTORS: | I = Standard M23 style |
| MOUNTING: | M = Metric extended tie rods |
| ROD_END: | A = Male, metric thread |
| STATOR: | 238 = 2 stack, 230 Vrms |
| OPTIONS: | XT = Special Option |
| OPTIONS: | RB = Rear electric brake |