The line coupler is to supplement the monitoring system SAFELOG SL500 for self-contained luminaires to further bus circuits.

The line coupler is to increase the functional safety and enlarges the maximum cable length of the bus system e. g. splitting abuilding into different floors, the max. cable length can be max. 1.000 m per floor.
The line coupler is IP 20 and for rail mounting.



  • Line coupler to supplement the SAFELOG SL 500 system to enlarge the capacity up to max. 250 per line couplers
  • Each line coupler expands the maximum cable length of the bus system of another max. 1.000 m per floor
  • Automatic search function for luminaires
  • Bus polarity-protected RS-485 bus

Technical specifications


Power supply 230 V AC
Input max. 4 W
Terminals net 1.5 mm² to 2.5 mm²
Bus interfaces 2 x RS485 (5 V Pegel / level)
Ambient temperature 0°C to +35°C
Storage temperature -20°C to +70°C


Dimensions 106 x 90 x 58 mm


Protection case type IP20
Safety class II



Product data sheet