Schneider Electric Harmony XB4 Push Buttons

The Harmony XB4 is a range of 22mm push buttons with a metal bezel. It is made for machines and panels that need a strong, long lasting button. The metal body takes hard use better than plastic, which suits workshops, factories and heavy machinery. The range includes flush, projecting, mushroom and illuminated buttons in many colours. A flush yellow button, for example, is available as an unmarked 1NO model. The XB4 uses the same 22mm hole as the XB5, so you can mix both ranges in one panel. It also shares many contact blocks and accessories with the XB5. Metal gives a premium look and a feeling of strength under the finger. Contact blocks are separate, so you can choose normally open, normally closed or both.

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Features of Schneider Harmony XB4 Push Buttons

• Metal bezel: strong and long lasting for heavy use
• Same hole as XB5: easy to mix in one panel
• Many styles: flush, projecting, mushroom and illuminated
• Many colours: for clear start, stop and warning signals
• Modular contacts: NO, NC or both

Technical Specifications of Schneider Harmony XB4 Push Buttons

• Range: Harmony XB4
• Mounting diameter: 22mm
• Material: metal bezel
• Operation: spring return, maintained and illuminated versions
• Example: Harmony XB4 flush yellow push button, unmarked, 1 NO
• Illuminated versions: LED types for 24V AC/DC and other voltages
• Check the product code for the exact IP rating

Compatibility and Installation Guide of Schneider Harmony XB4 Push Buttons

• Fits standard 22mm panel cut-outs
• Shares contact blocks and many accessories with XB5
• Works with XB4 selector switches, pilot lights and emergency stops
• Isolate the supply before fitting
• Fit the head in the hole, tighten the collar and clip on the contact block
• Test the button after wiring
• Installation should be done by a qualified electrician

Frequently Asked Questions

Q1: When should I choose XB4 over XB5?
Choose XB4 when you want a metal bezel for tough use.

Q2: Does XB4 fit the same hole as XB5?
Yes. Both use a 22mm hole.

Q3: Can I use XB5 contact blocks?
Many blocks are shared. Check the product guide for your code.

Q4: Are illuminated versions available?
Yes. LED versions come in several voltages.

Q5: Does the button come with a contact block?
Many complete buttons do. Check the code.

Q6: Is it good for outdoor use?
Check the IP rating of your exact code, and use a suitable enclosure.

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