The Eaton Cutler-Hammer 30MM Push Button Switch (Model: MSAA185999) features a momentary action with a normally open (1NO) configuration. Designed for durability, this switch is ideal for various industrial applications. It is constructed with high-quality materials ensuring longevity and reliability. The compact design allows for easy installation in control panels. With a diameter of 30mm, it fits standard mounting holes and is compatible with a wide range of Eaton control systems. This push button switch is perfect for maintenance operations, providing a user-friendly interface for machine control.