The 3SB3001-0DA51 is part of Siemens' comprehensive range of safety products. It is a 1 NC safety switch with an integrated safety relay and a contact block, which is commonly used in automated machinery and other industrial applications. The relay allows a user to control and monitor the machine’s electrical systems such as motors, pumps, fans, heating elements and solenoids. The contact block provides electrical protection against overloads and short circuits, enabling quick and easy repair if needed. This safety switch is equipped with a spring-loaded reset button, allowing the machine to be reset quickly in the event of a fault. It is made of a corrosion-resistant aluminum alloy, making it suitable for tough environments. The device is rated for use in both indoors and outdoors applications, with an IP67 rating.