Schneider Electric · Harmony XB4 Serie

ZB4-BA6

Activo
UL CSA CE

Harmony XB4 Blue Flush Push Button Head

Número de pieza: ZB4 - B - A - 6
Schneider Electric Harmony XB4 Serie Introduced circa 2003
Schneider Electric ZB4-BA6 — Harmony XB4 Blue Flush Push Button Head

Blue flush push button head for Schneider Harmony XB4 series. 22mm cutout, IP66 rated. Used for reset and auxiliary functions.

Aplicaciones comunes

Blue push button head used for non-safety auxiliary functions per IEC 60204-1 — blue indicates a mandatory action or special function. Common on CNC machines for coolant on/off, food processing lines for rinse cycle activation, and HVAC panels for damper control. In many European panel designs, blue signals a function that is neither start (green) nor stop (red) but requires operator attention. Requires a separate contact block — snap on a ZB4-BZ101 (1NO) or ZB4-BZ102 (1NC) depending on the application. The metal bezel matches the premium XB4 family aesthetic.

Especificaciones

Actuator Shape
Round
Actuator Type
Flush
Certifications
UL, CSA, CE
Color
Blue
Contact Configuration
Requires separate contact block
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

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También necesitará

Este es un componente modular. Para un ensamblaje completo, también puede necesitar:

Referencia rápida de instalación

Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).

Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.

Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.

Dimensiones

Front 22mm cutout panel hole diameter Side panel contact ~45mm depth

Diagrama de cableado

Solución de problemas

Button doesn't respond when pressed

Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.

Works intermittently

Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.

Button feels mushy or doesn't click

The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.

Especificaciones rápidas

Actuator Shape
Round
Actuator Type
Flush
Certifications
UL, CSA, CE
Color
Blue
Contact Configuration
Requires separate contact block

Lo que dicen los usuarios

+

“Solid button for panel builds. Schneider Electric Harmony XB4 series is well-proven in the field. Standard 22mm mounting means easy replacement if needed.”

Reddit r/PLC 22 votos positivos Ver hilo →

Fuentes de datos

Especificaciones y datos de producto obtenidos de las siguientes referencias.

ZB4BA6 Product Page

https://www.se.com/ww/en/product/ZB4BA6/

Consultado el April 04, 2026

Fuente