Rockwell Automation, 1492 Centre Jumper for use with 4mm Terminal Block

The Rockwell Automation IEC centre jumpers use the terminal block wire openings. Multi-pole jumpers can be cut into a smaller number of poles. Jumpers carry 100% of rated terminal block current. The back of IEC style jumpers are insulated with plastic. An adjacent partition plate provides the necessary electrical spacing between adjacent jumpers or between exposed ends of cut jumpers.

This is 50 pole IEC centre jumper
It has orange colour