The IAR5F1100 is a low-profile pushbutton switch from the IA series designed for harsh environments with a 16 mm bushing and NC/NO combined electrical function. It features front panel sealing to IP65 and IP67 per IEC 60529, with resistance to frost, sand, and hydrocarbons, and operates reliably across -20°C to +65°C. The switch is rated for 2A at 24VDC with silver, gold-plated contacts, a typical operating force of 7N, and an electrical life of 1,000,000 cycles at full load. With tactile feedback, a total travel of 1.5 mm, and a panel thickness rating of 7 mm maximum, this switch is ideal for industrial control panels, marine equipment, and outdoor applications requiring robust momentary switching in demanding conditions.