Harmony XB7 flat red push button with self-resetting XB7NA4234

Control button – reliability and simplicity in every detail

This flat, red button with self-reset, from the Harmony XB7 series by Schneider Electric, is a robust solution for controlling machines and devices. Designed for mounting in standard 22.5 mm diameter holes, it combines durability, functionality and ease of installation. The red color of the button immediately identifies it as an element used to stop or turn off the device, which is particularly important in emergency situations.

Construction and application in industry

The XB7NA4234 button is made of high-quality plastic, which provides good electrical insulation and resistance to many chemicals. The self-reset mechanism ensures that after pressing, the button automatically returns to its original position – an ideal solution where a momentary control signal is needed. The configuration with a single normally closed (NC) contact means that the circuit is normally closed and opens when the button is pressed. This is a typical solution in safety circuits.

This button finds wide application in control cabinets, industrial machines, automation systems and operator panels. Thanks to the IP54 protection degree (protection against dust and water splashes) and NEMA 12 (resistance to environmental factors), it can be used without fear even in harsh industrial conditions. Mechanical durability of 1,000,000 operating cycles guarantees long and trouble-free operation.

Key features and benefits

• Clear signal: Red color makes it easy to quickly identify the function of the button – ideal for safety-related or emergency stop applications.
• Simple installation: Standard 22.5 mm hole diameter ensures compatibility with most control panels.
• Durability and reliability: Made of high-quality materials and high resistance to environmental conditions guarantee long device life.
• Safety: IP54 protection degree protects against dust and moisture, ensuring safe operation in demanding conditions.
• Convenient configuration: Normally closed (NC) contact simplifies integration with existing control circuits.
• Easy connection: Screw terminals provide secure and quick connection of electrical wires.
• Wide operating temperature range: From -25°C to +70°C allows the button to be used in various industrial environments.