Description
The Schneider Electric Harmony XB4 XB4BA42 is a high-performance red flush push button, engineered for durability and reliability in industrial and commercial control panels. Featuring a spring return (momentary) mechanism, it operates a single normally closed (1NC) slow-break contact for safe and precise machine control.
Its chromium-plated metal bezel and zamak fixing collar provide mechanical strength and corrosion resistance, while its unmarked design allows for versatile labeling and application flexibility.
This push button fits standard 22.5 mm diameter panel cut-outs and is compatible with screw-clamp terminal connections, simplifying installation and maintenance. The ergonomic head shape and vivid red color enhance visibility, reducing wiring and operational errors. Certified with IP66, IP67, IP69, and IP69K ratings, it withstands dust ingress, high-pressure cleaning, and exposure to industrial environments, making it a reliable choice for demanding applications.
Specification
| Attribute | Details |
|---|---|
| Part Number | XB4BA42 |
| Range of Product | Harmony XB4 |
| Device Short Name | XB4 |
| Product or Component Type | Push-button |
| Bezel Material | Chromium-plated metal |
| Fixing Collar Material | Zamak |
| Mounting Diameter | 22.5 mm |
| Sale per Indivisible Quantity | 1 |
| Head Shape | Round |
| Operator Type | Spring return |
| Operator Profile | Red flush, unmarked |
| Head Type | Standard |
| Contact Type & Composition | 1 NC |
| Contact Operation | Slow-break |
| Terminal Description | (21-22) NC |
| Height | 47 mm |
| Width | 30 mm |
| Depth | 52 mm |
| Net Weight | 0.08 kg |
| Ingress Protection | IP66 / IP67 / IP69 / IP69K |
| Packaging | Supplied individually |







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