Lighting transformers 1-group without astro

Lighting transformer 48V 1-group has an output power of 500VA to handle an entire circuit of about 100 m with approximately 10-25 construction lamps 48V. (With BALL 48V it’s possible to install 25 lamps on one group, 100 m). Terminal block output for 2G2.5 mm² Lighting transformer without astro 1-group 48VV 500VA