| SIZE: | GSM20 = Actuator Frame Size 56,9 mm |
| STROKE: | 10 = Stroke 254 mm |
| LEAD: | 01 = 2.54 mm per rotation |
| CONNECTORS: | I = Standard M23 style |
| MOUNTING: | R = Rear flange |
| ROD_END: | B = Female, metric thread |
| AMPLIFIER: | ER1 = Encoder type ER1 |
| STATOR: | 138 = 1 stack, 230 Vrms |
| OPTIONS: | SR = Splined main rod |
| OPTIONS: | XT = Special Option |
| OPTIONS: | XM = Special Option |
