61 Simple to mount. Self-extinguishing, impact resistant polycarbonate. FIBOX SOLID FRAME FIBOX Inspection Windows permit both viewing and access to readouts and controls which are surface mounted on plastic or metal enclosures. While providing access, when cover closed, these inspection windows maintain enclosure environmental ratings up to NEMA 4. Four new second generation windows L12 II, L24 II, L43 II and L44 II, feature transparent smoked gray polycarbonate with textured sides and stylish design. FIBOX WINDOWSFIBOX WINDOWS62 ORDER Size Size Remarks FIBOX INSPECTION WINDOWS IP SYMBOL mm inch. L44 II 6 (0.22) For 36 modules 14.9 x 13.0 65 L44 II 377 x 331 (1 module = 17,5 mm) (1 module = 0,69 inch.) 377 (14.85) Smoked 341 (13.43) transparent cover 18 (0.71) L43 II 6 (0.22) For 26 modules 65 13.0 x 10.9 L43 II 331 x 277 277 (10.91) Smoked 241 (9.49) transparent cover L24 II For 24 modules 9.8 x 8.6 65 L24 II 248 x 218 24 (0.9) High cover 26 (1.0) 213 (8.4) Smoked transparent cover 213 (8.4) 27 248 (9.8) (1.1) L12 II Pat.Reg. 383990 9.8 x 5.0 For 12 modules 65 L12 II 248 x 128 High cover 24 (0.9) 26 (1.0) Smoked transparent cover 213 (8.4) 27 216 (8.5) (1.1) 248 (9.8) B12 10621-45 12 modules FRONT PLATES FOR WINDOWS B24 10620-45 2 x 12 modules L12, L 24, L12 II and L24 II FIBOX WINDOWS 46 46 (1.8) (1.8) 183 (7.2) 93 (3.7) 218 (8.6) 128 (5.0) 295 (11.61) 23 (0.91) 313 (12.32) 28 (1.10) 331 (13.03) 228 (9.0) 18 (0.71) 295 (11.61) 138 313 (12.32) 23 (0.91) 331 (13.03) 28 (1.09) (5.4)