Transformer measuring cabinet 100A according to TAB Central Germany consisting of: Metering cabinet protectively insulated IP43, 1xNAR with 40mm busbar 12x5mm equipped with NH00 isolator, 5x busbar terminal 35mm², 1x converter module WxH 450x250mm for converter lugs type A with 30mm width, 1xAAR with load-break switch and N/PE connection, 1xAAR load-break switch 3-pole 125A and terminal for N and PE, 1x additional converter compartment 2x300mm 48 TE equipped with voltage path fuses and converter isolating terminals, 1x3-point meter compartment 450mm, 1xFRE compartment 450mm 3-point, 1xAPZ compartment 300mm with RJ45 interface