busbar system busbar center-to-center spacing 60 mm device adapter, width: 45 mm busbar thickness: 5.10 mm+TT profile with 1 mounting rail 35 mm, for 3RA6 compact starter, length 200 mm Ue 690 V, Ie up to 32 A, notice: if rated current >12 A and short-circuit current > 25 kA max. conductor cross-section 6 mm2 and minimum conductor length 2 m must be observed