The Rockwell Automation end barriers are required to provide the necessary insulation for the last terminal block in a group. End barrier for screw type terminal block
This has grey colour End Barrier, For Screw Type TB, 1.5 x 53.9 x 60mm (0.06 x 2.12 x 2.36 in), Gray, Pkg. Qty. of 20, for Use With 1492-JDF4, JD4C End Barrier, For Screw Type TB, 1.5 x 53.9 x 60mm (0.06 x 2.12 x 2.36 in), Gray, Pkg. Qty. of 20, for Use With 1492-JDF4, JD4C