When safety is top priority, a busbar system with IP2X protection is the best choice. ABB Z-busbar offering is available for 400A, 630A, 1600A and 2500A, to be used either as TN-C or as TN-S with a protected N-bar.
The Z-busbar system is used with InLine XLBM and ZLBM and it has a complete offering of IP2X-protected cable terminals for cable sizes 2,5-300 mm2.