Phoenix Contact 3245024 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. These brackets can be sourced from Phoenix Contactcontact.com/products specifically for neutral conductor disconnection. The recommended specifications include a maximum voltage of 250 V, a nominal current of 32 A, screw connection with rated cross sections ranging from 0.14 mm2 to 6 mm2, and mounting types NS 35/7,5 or NS 35/15, with a blue color.