The maximum number of total easYgen-3500XT and LS-5 is 48 controls.

So you can go e.g, for 32 pcs easYgen-3500XT and 16 pcs LS-5 = 48 controls total

or 16 pcs easYgen-3500XT and 32 pcs LS-5 = 48 controls total

a 2 breaker LS-5x2 is counted as one control.

If you have to control more than 48 controls look into easYgen-3500XT and LS-6XT or as well into Group Controller GC-3400XT-P1 enlarging numbers of LS-6XT extensively