EVQ-P40B3M is a multiple-pin tactile switch from Panasonic's EVQ series. It has an extended height of 10.3 mm and a width of 4.6 mm. It has four rectangular pins and a wide plunger option which makes it suitable for use in medical, automotive, communications and other industries. It has a rated operating temperature of -40°C to 85°C and a rated operating voltage of 50V DC. The switch features Gold over Nickel contact material, allowing it to provide high electrical, mechanical, and environmental performance.