Lytespan Round Track - 3 circuit track + 2 circuit control L1/L2/L3/Neutral/ground 16A/440V + D+/D- 2x1A/50V FELV AC, DALI, DMX, 1-10V etc. compatible, circuits can be controlled individually, aluminum body, suitable for suspended installation only,1000 x 46 x 40 mm (L x W x H), black (RAL 9005).