Phoenix Contact 3245011 To securely fix the neutral busbar in place, support brackets must be placed at the start and end of each terminal strip as well as every 20 cm on longer terminal strips. The corresponding support brackets can be sourced from Phoenix Contactcontact.com/products for this purpose. For neutral conductor disconnection, the product is suitable for a nominal voltage of 250 V and a nominal current of 24 A, with screw connection type and a rated cross section ranging from 0.14 mm2 to 4 mm2, available in mounting types NS 35/7.5 and NS 35/15, and blue color.