The Siemens 3SU1801-0NB00-2AC2 is a robust enclosure designed for command devices, offering a practical solution for housing emergency stop and emergency off functions in industrial settings. This enclosure is crafted from high-quality plastic and features a distinctive yellow top part with a protective collar, ensuring visibility and safety in various environments.
With dimensions of 85 x 112.5 x 85 mm, this enclosure is engineered to accommodate a 22 mm round command device. It is equipped with a red emergency stop mushroom pushbutton, which is 40 mm in size and includes a rotate-to-unlatch mechanism for quick and reliable operation. The unit comes with two normally closed (NC) contacts and utilises a screw terminal for secure electrical connections.
Designed to withstand challenging conditions, the enclosure boasts an impressive protection class of IP66, IP67, and IP69 (IP69K), making it resistant to dust, high-pressure water jets, and submersion. It also meets NEMA ratings 1, 2, 3, 3R, 4, 4X, 12K, and 13, ensuring durability and reliability across a range of applications.
The Siemens 3SU1801-0NB00-2AC2 is suitable for both AC and DC operating voltages, ranging from 5 to 500 V, and can handle a continuous current of 10 A for circuit breakers with a short-circuit current less than 400 A. Its vibration and shock resistance make it ideal for use in railway applications, adhering to EN 61373 Category 1, Class B standards.
This enclosure is designed for floor mounting and offers cable routing options both above and below, with 1 x M20 entry points on each side. It is a versatile and reliable choice for integrating essential safety functions into a wide array of industrial control systems.