IEC busbar support, 60 mm system, rated operating current Ie=630A, poles=3, can be used for 12x5/10, 20x5/10 and 30x5/10, with locking slide for adjusting to the respective busbar size, with internal screw holes, temperature resistant up to 120°C, tracking resistance CTI 200, self-extinguishing according to UL 94, RAL 7035, thermoplastic, silicone-free, chlorine-free, halogen-free, busbar support spacing according to short-circuit strength diagram, UL approved