Marking accessory for Linergy TR products. It is 6 mm clip in marking strip for NSYTRV terminals blocks. It is made of L1, L2, L3, N, PE characters printed horizontally. It is compatible with all 4 mm² and 6.2 mm widthterminal blocks. It is also compatible with 16 mm² terminal blocks with 2 marking elements for 1 terminal.