| SIZE: | GSM40 = Actuator Frame Size 99,1 mm |
| STROKE: | 18 = Stroke 457 mm |
| LEAD: | 05 = 12.7 mm per rotation |
| CONNECTORS: | I = Standard M23 style |
| MOUNTING: | F = Front flange |
| ROD_END: | B = Female, metric thread |
| STATOR: | 258 = 2 stack, 400 Vrms |
| OPTIONS: | RB = Rear electric brake |
| OPTIONS: | XM = Special Option |