The Grayhill 51KP30-01-3-04N is a robust tactile key switch engineered for demanding applications requiring reliable key input. Its 4N contact configuration ensures consistent electrical connection, while the tactile feedback provides a clear indication of actuation. Commonly used in industrial control panels, point-of-sale systems, and other keypad-based devices, this switch offers long-term reliability and performance. The switch is RoHS compliant and designed for easy integration into various assemblies.