Flat green button with light bulb, 250V Harmony XB4 XB4BW3365

Control button – reliability and readability in any environment

This flat, green illuminated push button from the Harmony XB4 series is a robust solution for control and signaling in demanding industrial environments. Designed for mounting in standard 22.5 mm diameter holes, it offers intuitive operation and high reliability. Thanks to the clear green indicator and backlighting, the button is easily recognizable even from a distance, which translates to increased safety and work efficiency.

Design and application

The button is designed for ease of installation and durability. Made of high-quality materials, including a chrome-colored metal front ring, it provides resistance to mechanical damage and the action of aggressive substances. Screw connection ensures a secure and stable electrical connection. The button finds application in a wide range of applications – from industrial machines and equipment, through automation systems, to control panels. Its momentary action makes it ideal for temporary functions such as starting machines or signaling an alarm.

Key features and benefits

• High resistance to external factors: IP66 protection rating guarantees effective protection against dust and water jets – an ideal solution for working in harsh industrial conditions.
• Clear signaling: The green color of the button and the backlighting provide excellent visibility even in low light conditions.
• Versatility: The button is compatible with 250V voltage and has both normally open and normally closed contacts (one each), allowing for flexible adaptation to different control circuits.
• Solid construction: The metal front ring provides durability and resistance to mechanical damage.
• Easy installation: The standard 22.5 mm mounting hole simplifies integration with existing control panels.
• Round lens: Provides optimal visibility of the button status from different angles.