| Manufacturer part number (MPN) | SC4421pro |
| EAN / GTIN | 4022709210562 |
| Sales unit | pcs |
| Voltage | 230 V |
| Shortest switching time channel 1 | 1 s |
| Shortest switching time channel 2 | 1 s |
| Number of channels | 2 |
| Supply voltage | 230 V |
| Voltage type (supply voltage) | AC |
| Frequency supply voltage | 50–60 Hz |
| Autonomy in hours | 87600 |
| Autonomy in years | 10 |
| Accuracy per day | 0.5 s |
| Text guidance in display | Yes |
| External programming | Yes |
| With memory card | No |
| 60 min program | Yes |
| 24 h program | Yes |
| Weekly program | Yes |
| Annual program | No |
| Holiday program | Yes |
| Impulse program | Yes |
| Cycle program | No |
| Astro program | Yes |
| Random program | Yes |
| Hour meter | Yes |
| Mains synchronous | No |
| Quartz controlled | Yes |
| Radio-controlled | No |
| GPS (global positioning system) | No |
| Contact type | Change-over contact |
| Number of memory locations | 300 |
| Automatic switching summer/winter time | Yes |
| Suitable for manual operation | Yes |
| External push button input | No |
| Switching preselection | Yes |
| Nominal switching current at 250 V AC | 16 A |
| Max. switching power LED | 200 W |
| Potential free switch contact | Yes |
| Degree of protection (IP) | IP20 |
| Width | 72 mm |
| Height | 94.5 mm |
| Depth | 53 mm |
| Country of origin | Germany |