Flat black button, plastic, labeled DOWN Harmony XB5 XB5AA3351

Control button – reliability and simplicity in every detail

This flat, black button with a down arrow symbol, from the Harmony XB5 series by Schneider Electric, is a solid and functional solution for controlling machines and processes. Designed for both professional installers and end users, it offers easy mounting in standard 22.5 mm diameter holes and intuitive operation. Made of high-quality plastic, it is resistant to mechanical damage and ensures long-term reliability.

Design and application

The XB5AA3351 button is self-resetting, meaning it automatically returns to its original position when released. Its construction based on screw connections ensures a secure and stable electrical connection. Thanks to its high degree of protection IP66 and NEMA 4X, it is resistant to dust and water ingress, making it ideal for operation in harsh industrial conditions – even when exposed to moisture or aggressive environments. It can be used in a wide range of applications: from simple control panels to more advanced automation systems.

Key features and benefits

• Durability and reliability: Made of high-quality plastic, resistant to mechanical damage and external factors.
• Easy installation: Standard hole diameter (22.5 mm) simplifies integration with existing control panels.
• High sealing: IP66 and NEMA 4X rating guarantees protection against dust and water, ensuring safe operation in demanding conditions.
• Intuitive operation: Self-resetting design provides convenience and minimizes the risk of errors.
• Versatility: Ideal for industrial applications, machines and devices requiring reliable control.
• Safety: Compliance with IEC, UL, CSA and CE standards ensures safety and compliance with applicable regulations.
• Durable identification: Clear down arrow symbol makes it easy to identify the button function even in difficult lighting conditions.
• Solid electrical connection: Screw connections ensure stable and secure connection of wires.

This button is not only a control element – it is an investment in the reliability and safety of your machines and production processes. Its simple design goes hand in hand with high functionality, making it an excellent choice for both professionals and end users looking for proven solutions.