Green flush push button head for Schneider Harmony XB4 series. 22mm cutout, IP66 rated. Requires separate contact block (ZB4-BZ101 for 1NO).
Specifications
| Actuator Shape | Round |
| Actuator Type | Flush |
| Certifications | UL, CSA, CE |
| Color | Green |
| Contact Configuration | 1NO (with ZB4-BZ101) |
| Cutout Diameter | 22mm |
| IP Rating | IP66 |
| Material | Metal |
| Mechanical Life | 10,000,000 cycles |
| Mounting Type | Panel |
| Max Operating Temp | 70°C |
| Min Operating Temp | -25°C |
Compatible Alternatives
These products are functionally equivalent cross-references from other manufacturers.
Where to Buy
Quick Specs
- Actuator Shape
- Round
- Actuator Type
- Flush
- Certifications
- UL, CSA, CE
- Color
- Green
- Contact Configuration
- 1NO (with ZB4-BZ101)
Data Sources
Specifications and product data sourced from the following references.
Schneider ZB4-BA3 Product Page
https://www.se.com/ww/en/product/ZB4BA3/
Accessed March 28, 2026