The SR-KN9551K4 is a wall mounted push button KNX dimmer switch with switch and dimming functions to control single color LED lighting. The KNX dimmer switch is designed with humanization LED indicator to show working status. It is compatible with SR-KNX9501 and SR-KNX9502 series KNX receivers and powered by KNX bus and consumes less than 12mA power. The dimmer switch can offer gradually switching function, calling and storing scene function and shutter function. It is easy to mount the dimmer switch by 3M sticker on the wall.
| 2-Fold | 4-Fold | 6-Fold | 8-Fold | |
| Number of Rockers | 2 | 4 | 6 | 8 |
| Number of bicolored LED | 2 | 4 | 6 | 8 |
| Orientation LED | 1 | 1 | 1 | 1 |
| KNX busconnection terminal | 0.8mmΦ,single core | 0.8mmΦ,single core | 0.8mmΦ,single core | 0.8mmΦ,single core |
| Power Supply | KNX Bus | KNX Bus | KNX Bus | KNX Bus |
| Power Consumtion KNX bus typ. | <0.3W | <0.3W | <0.3W | <0.3W |
| Operation temperature range | 0 bis + 45°℃ | 0 bis + 45℃ | 0 bis + 45℃ | 0 bis + 45℃ |
| Waterproof Grade | IP 20 | IP 20 | IP 20 | IP 20 |
| Dimensions(W x H x D) | 55.6 x 55.6 x 12.3 mm | 55.6 x 55.6 x 12.3 mm | 55.6 x 55.6 x 12.3 mm | 55.6 x 55.6 x 12.3 mm |