Type 22989 Front Connected Test Terminal Block (extended clear polycarbonate front cover)
Type 22989 – Drw. 4731B – Standard front connected with extended clear polycarbonate front cover.
Terminal Test Blocks can be used for testing a wide range of electrical equipment including intergrating meters and protective relays, without disturbing the normal load circuit. Terminal arrangements can be adapted to suit many applications eatures Terminal arrangements cover a wide range of applications Front and back connected types All terminals and screws are plated brass Moulded insulation barriers between sets of terminals Link facilities for testing purposes
IEEE Standard Requirements for Instrument Transformers C57.13, 17th edition.
Type 22989 Front Connected Test Terminal Block (extended clear polycarbonate front cover) is available to buy in increments of 1