| Code | Description |
 | PROFINET1S | RS485 to ProfiNET interface, for DIN rail mounting. With UL marked PCB, Terminal block, plastic box and labels (if expected). |
| Code | Description |
 | MDR2012 | 12Vdc power unit for DIN bar. 110/240Vac input. CE and UL certified. Not compatible with BOX2121S. |
 | DR1512 | 12Vdc power unit for DIN bar. 110/240Vac input. |