An interface assembly (30; 130) for an electrical switching apparatus (2; 102), said electrical switching apparatus comprising a housing (4; 104), a first handle (6; 106) partially extending through said housing, separable contacts (8; 108) disposed within said housing, an operating mechanism (10; 110) structured to open and close said separable contacts, a main printed circuit board (12; 112) disposed within said housing, and a number of electrical rating settings (14, 16; 114; 116) associated with said main printed circuit board, each of said number of electrical rating settings having a magnitude, said interface assembly comprising: a base assembly (32; 132) comprising a base (34; 134), said base being structured to be disposed on said housing, said base having a mounting surface (36; 136); and a second handle (38; 138) coupled to said mounting surface, said second handle and said first handle being structured to drive each other; wherein said mounting surface has at least one port (60; 80; 160; 180), and wherein the magnitude of a corresponding one of said number of electrical rating settings is visible through the at least one port; wherein said base assembly (32; 132) further comprises at least one window (62, 82; 162, 182) coupled to said mounting surface (36; 136); wherein said at least one window substantially overlays the at least one port (60, 80; 160, 180); and wherein the magnitude of a corresponding one of said number of electrical rating settings (14, 16; 114, 116) is visible through said at least one window; characterized in that said base (34, 134) comprises at least one projection (40, 41, 42, 43; 142, 143) extending away from said mounting surface (36; 136); wherein said at least one window (62, 82; 162, 182) comprises a viewing portion (64, 84; 164, 184) and at least one protrusion (65, 66, 85, 86; 166, 186) extending away from the viewing portion; wherein said base assembly (32; 132) further comprises at least one coupling member (44, 45, 46, 47; 144, 145); and wherein said at least one coupling member extends through each of said at least one projection and said at least one protrusion in order to couple said at least one window to said mounting surface. a base assembly (32; 132) comprising a base (34; 134), said base being structured to be disposed on said housing, said base having a mounting surface (36; 136); and a second handle (38; 138) coupled to said mounting surface, said second handle and said first handle being structured to drive each other; wherein said mounting surface has at least one port (60; 80; 160; 180), and wherein the magnitude of a corresponding one of said number of electrical rating settings is visible through the at least one port; wherein said base assembly (32; 132) further comprises at least one window (62, 82; 162, 182) coupled to said mounting surface (36; 136); wherein said at least one window substantially overlays the at least one port (60, 80; 160, 180); and wherein the magnitude of a corresponding one of said number of electrical rating settings (14, 16; 114, 116) is visible through said at least one window; characterized in that said base (34, 134) comprises at least one projection (40, 41, 42, 43; 142, 143) extending away from said mounting surface (36; 136); wherein said at least one window (62, 82; 162, 182) comprises a viewing portion (64, 84; 164, 184) and at least one protrusion (65, 66, 85, 86; 166, 186) extending away from the viewing portion; wherein said base assembly (32; 132) further comprises at least one coupling member (44, 45, 46, 47; 144, 145); and wherein said at least one coupling member extends through each of said at least one projection and said at least one protrusion in order to couple said at least one window to said mounting surface.