The 1PS09 is a concave rectangular push-button cap designed for use with multimec 5E and 5G switches. It features a rectangular shape with a concave top surface and dimensions of 12.5 mm × 6.5 mm with a height of 15.7 mm, constructed from ABS or polycarbonate material. The cap operates reliably across a temperature range of -40°C to +65°C for solid variants and -40°C to +85°C for transparent variants, with a panel cut-out specification of 7.0 × 13.0 mm (R max. 1.0). The 1PS09 is available in multiple color options and is commonly used in industrial control panels, instrumentation, and consumer electronics where a compact rectangular actuation interface is required.