The Deca CEP5 DIN rail terminal block end cover is made to be used with the Deca CTR 2.5, CTR 4, CTR 6, or CTR 10 screw clamp, and CTR6D or CTR10D diode DIN rail terminal blocks. They can be used as partition plates to separate sections of terminal blocks. Dimensions: 56.5mm Width x 35.5mm Height (2.22" x 1.4"). Note: Image is for reference, actual part may differ