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 54.5 x 69mm (0.06 x 2.15 x 2.72 in), Gray, Pkg. Qty. of 20, for Use With 1492-JD3, JD3C, JD3F, JD3DF, JD3DR, JD3RC001, JD3SS End Barrier, For Screw Type TB, 1.5 x 54.5 x 69mm (0.06 x 2.15 x 2.72 in), Gray, Pkg. Qty. of 20, for Use With 1492-JD3, JD3C, JD3F, JD3DF, JD3DR, JD3RC001, JD3SS