2x    2     Connections              2 Connections                        3x     2    Connections       3
            Double deck                          Test and measurement                 Triple deck
            Feed-through                         Feed-through                         Feed-through
            Ground                               Ground
            Disconnect                           Disconnect
            Fuse
            Component holder
                                    Plug
                                    component holder
                                                                                                                    1SNK161089S0201
                                                                                        ABB  SNK series - Terminal blocks  |  73