The ABB i-bus® KNX Line Coupler LK/S 4.2 is a modular installation device with a module width of 2 space units. It is used as a line or area coupler or as a repeater. As a line coupler, the LK/S connects a line with a main line, as an area coupler it connects a main line with an area line. It provides electrical isolation in this way. In connection with ETS4, the main groups 14...31 can be filtered.
| Features | |
| Module type: | Digital |
| Signal direction: | Input/output |
| Product colour: | Grey |
| Certification: | CE |
| Power | |
| DC input voltage: | 21 - 31 V |
| Operational conditions | |
| Operating temperature (T-T): | -5 - 45 °C |
| Storage temperature (T-T): | -25 - 55 °C |
| Relative humidity: | 0 - 95% |
| Weight & dimensions | |
| Width: | 36 mm |
| Depth: | 64.5 mm |
| Height: | 90 mm |
| Weight: | 90 g |
| Package width: | 92 mm |
| Package depth: | 41 mm |
| Package height: | 65 mm |
| Package weight: | 100 g |
