ISR3SAD400 is a sealed momentary pushbutton switch from the IS series featuring a threaded bushing with Ø 12 mm and solder lug terminals. The switch is sealed to IP67 according to IEC 60529, providing protection against dust and water ingress, with a compact and lightweight design incorporating tactile feedback. Electrically, it is rated for a maximum of 400 mA at 32 VAC or 100 mA at 48 VDC, with an initial contact resistance of 50 mO maximum and an electrical life of 500,000 cycles at full load. Mechanically, the switch features a total travel of 1.7 mm with a typical operating force of 4 N, a mechanical life of 1,000,000 cycles, and operates reliably across a temperature range of -40°C to +85°C. This switch is ideal for industrial control panels, instrumentation, and applications requiring sealed, reliable momentary switching with excellent environmental resistance.