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 40.5 x 73.7mm (0.06 x 1.59 x 2.90 in), Gray, Pkg. Qty. of 20, for Use With 1492-JD3FB End Barrier, For Screw Type TB, 1.5 x 40.5 x 73.7mm (0.06 x 1.59 x 2.90 in), Gray, Pkg. Qty. of 20, for Use With 1492-JD3FB