The 3SB3001-2KA31 is a push button from Siemens. It is a plastic button with an illuminated symbol with a 30 millimeter push button head. The 3SB3001-2KA31 is suitable for use in the following types of automation and control systems: Stand-Alone, Micro Automation, Installation Automation, Automotive and Building Technologies. It is suitable for use with a variety of Siemens controllers, including S120, S7-200, S7-300, and S7-400. The button has a voltage rating of 230VAC, a contact current rating of 1A/250VAC, and a contact type of normally open.It has IP65 protection against dust and water. The 3SB3001-2KA31 can be used to start, stop, or reset machines, or as part of a programmable logic controller (PLC) system.