The tubular motor Basis Medium RTBM 20/16-SZ is a mechanical tubular motor for roller shutters. With this tubular motor, the end points are set mechanically with an adjustment tool (included) using the adjustment screws on the motor head. This model is particularly short with a total length of 380 mm. The diameter of the motor tube is 45 mm. It fits into any RADEMACHER Click drive bearing. The supply voltage is 230V (50Hz) and it has protection class IP 44. There is a 5-year guarantee on the RADEMACHER motor. The tubular motor Basis Medium RTBM 20/16-SZ is equipped with a 2.5 m long connection cable and the angled and height-adjustable Click prefabricated box bearing. It is pre-adapted for an octagonal steel shaft with a wrench size of 60. With the available accessories, it can also be adapted for octagonal steel shafts with wrench sizes of 50 and 70 mm, round shafts with a diameter of 50 mm, grooved tubes with flat/round/MHZ grooves with a diameter of 78 mm, grooved tubes with flat/round grooves with a diameter of 85 mm, Siral shafts with a diameter of 50 mm and the Eckermann profile shaft with a diameter of 65 mm. The torque is 20 Nm and the speed is 16 rpm.
| Property | Value |
| Torque: | 20 Nm |
| Outer diameter: | 60 mm |
| Octagonal steel shaft SW 40: | no |
| Octagonal steel shaft SW 50: | yes |
| Octagonal steel shaft SW 60: | yes |
| Octagonal steel shaft SW 70: | no |
| For roller shutters: | yes |
| For awnings: | yes |
| For grooved tube shaft: | yes |
| Type of limit switch: | mechanical |
| Backjump: | no |
| Electronic path monitoring: | no |
| Electronic obstacle detection: | no |
| With driver: | yes |
| With adapter for Shaft: | yes |
| Length: | 380 mm |
| Max. roller shutter weight: | 49 kg |
