{"product_id":"schneider-zb4bc28021","title":"Schneider ZB4BC28021","description":"\u003cp\u003eDesigned for demanding industrial environments, the Schneider Electric ZB4BC28021 is a robust pushbutton head from the Harmony ZB4 series. This component features a durable chromium-plated metal bezel for enhanced corrosion resistance and a black pushbutton with a white \"H021\" marking for clear identification. Its spring return mechanism ensures reliable operation in control panel applications.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Harmony ZB4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Type:\u003c\/strong\u003e Pushbutton\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBezel Material:\u003c\/strong\u003e Chromium-plated metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarking:\u003c\/strong\u003e White, Type H021\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReturn Type:\u003c\/strong\u003e Spring return\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Diameter:\u003c\/strong\u003e 22mm (standard for ZB4 series)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Block Compatibility:\u003c\/strong\u003e Designed to accept various Harmony ZB4 contact blocks (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe ZB4BC28021 pushbutton head is suitable for use in control stations, operator interfaces, and safety circuits across various industries. It is commonly integrated into machinery for manufacturing, material handling, and process control, providing a durable and visible operator input point.\u003c\/p\u003e\n\n\u003cp\u003eAvailable from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider ZB4BC28021 or contact our technical team for cross-reference assistance with compatible Harmony ZB4 components.\u003c\/p\u003e","brand":"IAC Catalog","offers":[{"title":"Default Title","offer_id":41130528243796,"sku":"ZB4BC28021","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/2986\/0180\/files\/default-1_94bc6efc-a754-4cf5-bae0-250cfd5d3100.webp?v=1777509186","url":"https:\/\/catalog.industrialautomationco.com\/products\/schneider-zb4bc28021","provider":"IAC Catalog","version":"1.0","type":"link"}