Wieland fasis greyblue partitions twfn for wfkn 2541016 terminal blocks wieland 0731272550 this grey terminal block partition twfn 25 d2235 from wieland can be easily attached via the snap in feature and has a thickness of 15mm for use with the following din rail terminal blocksfasiswtp 254 d22duo feed throughwtp 254 d22peduo groundwkfn 25 tkm 1235duo disconnectwkfn 25 d2235duo feed through wieland 0731272550 partition for wkfn blocks twfn 2 5 d22