Technical data
| Technical data | KL6821 | 
|---|---|
| Data transfer channels | 1 | 
| DALI slaves / groups | max. 64 DALI control gears and max. 63 DALI-2 control devices / max. 16 groups | 
| Bit width in the K-bus I/O | 4 x 8 bit user data, 1 x 16 bit control/status | 
| Input process image | 1 status word and 4 data bytes | 
| Output process image | 1 control word and 4 data bytes | 
| Configuration | via the bus coupler or the controller | 
| Power supply for the electronics | via the K-bus | 
| Current consumption via K-bus | typically 55 mA | 
| Current consumption of the 24 V connections | typically 30 mA + DALI current | 
| Input voltage | 24 VDC (-15%/+ 20%) | 
| Insulation voltage | DALI bus / K-bus: permanently 1500 VAC | 
| Transmission | DALI-2 (certified) | 
| DALI power supply unit | max. 250 mA, can be switched off | 
| Guaranteed DALI supply current | 220 mA | 
| DALI current with DALI power supply unit switched off | 2 mA | 
| Weight | approx. 80 g | 
| Dimensions (W x H x D) | approx. 12 mm x 100 mm x 68 mm | 
| on 35 mm mounting rail, conforming to EN 60715 | |
| Power loss | approx. 0.5 W + max. 0.5 W depending on DALI output current | 
| Permissible ambient temperature range during operation | 0 °C ... + 55 °C | 
| Permissible ambient temperature range during storage | -25 °C ... + 85 °C | 
| Permissible relative air humidity | 95 %, no condensation | 
| Vibration / shock resistance | conforms to EN 60068-2-6 / EN 60068-2-27 | 
| EMC immunity / emission | conforms to EN 61000-6-2 / EN 61000-6-4 | 
| Protection rating | IP20 | 
| Installation position | variable | 
| Approvals / markings* | CE, UKCA, EAC | 
*) Real applicable approvals/markings see type plate on the side (product marking).