The Schneider XB4BT842 is a robust and reliable emergency stop push button designed for seamless integration into various control systems. This component, part of the Harmony XB4 series, features a 22 mm mounting diameter and is crafted with a chromium-plated metal bezel and a Zamak fixing collar, ensuring durability and longevity in demanding industrial environments.
The device is equipped with a red mushroom head, 40 mm in diameter, which provides a conspicuous and accessible means for triggering emergency shutdowns. The push-pull operation allows for swift activation and deactivation, while the trigger action and mechanical latching ensure that the button remains engaged until manually reset, enhancing safety protocols.
With a single normally closed (NC) contact configuration, the XB4BT842 offers slow-break operation, which is critical for the immediate cessation of machine functions in emergency situations. The screw clamp terminals accommodate a range of wire sizes, ensuring a secure and reliable electrical connection.
This emergency stop button is designed to withstand rigorous use, boasting a mechanical durability of 3 million cycles. It also offers a high degree of protection against environmental factors, with IP66, IP67, IP69, and IP69K ratings, making it suitable for use in areas where dust, water, and high-pressure washdowns are prevalent.
The XB4BT842 is compliant with international standards, including EN/IEC 60947-5-1, EN/IEC 60204-1, and EN/ISO 13850, among others, and holds product certifications from DNV GL, LROS, CSA, UL Listed, and BV. This ensures that the component meets rigorous quality and safety requirements, making it a trusted choice for emergency stop applications across a wide range of industries.