Specifying non-standatd PCB trace widths

I have an application requiring my 1-ounce PCB trace (1.4 mils thickness) to carry 5 amps of RMS current. The trace width needs to be 150 mils, but the greatest width allowed in the PCB widow is 48 mils.

How can I change the line width here?

You can enter numeric values (up to 255mils) in Inspector like this (green circle)


Thank you Peter. As usual, this feature was not clearly called out.