{"product_id":"schneider-electric-zb4bh03-maintained-push-button-switch","title":"Schneider Electric ZB4BH03 Maintained Push-button Switch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SCHNEIDER ELECTRIC ZB4BH03 is a maintained-action push-button switch designed for industrial control panel and machine operator interface applications. The switch features a flush-style, round green button made of metal, and mounts through a 22 mm panel hole. Maintained operation means the switch holds its contact state after each press until actuated again, making it suitable for on\/off or start\/stop control circuits. It carries UL Listed, CSA, and IEC certifications and is rated for NEMA 4X and NEMA 13 environments, confirming resistance to dust, oil, and water ingress. Licensed electricians and control panel builders are the typical installers.\u003c\/p\u003e\n\u003cp\u003eThe ZB4BH03 is used in industrial and commercial control panels, machine tool enclosures, and process automation equipment where a durable, corrosion-resistant operator element is required. The NEMA 4X rating makes it appropriate for wash-down environments, marine applications, and outdoor enclosures. Its 22 mm mounting diameter is a standard industrial panel cutout size, compatible with a wide range of enclosure types. The green color convention typically indicates a start or run function in standard panel wiring practice.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintained contact operation — holds state after each actuation without requiring continuous pressure\u003c\/li\u003e\n  \u003cli\u003e22 mm standard mounting hole diameter for compatibility with common industrial panel cutouts\u003c\/li\u003e\n  \u003cli\u003eFlush-style round green metal push button for durability in demanding environments\u003c\/li\u003e\n  \u003cli\u003eNEMA 4X and NEMA 13 rated for protection against dust, oil, and water ingress\u003c\/li\u003e\n  \u003cli\u003eUL Listed and CSA certified; compliant with EN\/IEC 60947-1 and EN\/IEC 60947-5-1 standards\u003c\/li\u003e\n  \u003cli\u003eAdditional certifications include Bureau Veritas, DNV, GL, RINA, LROS, and JIS C 4520 for marine and international applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation push-button operator for 22 mm industrial control panel assemblies requiring a maintained-action green flush button.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with applicable NEC requirements and the enclosure manufacturer guidelines. De-energize the control panel and lock out all power sources before installing or servicing this switch. Ensure the panel cutout is clean and dimensionally correct at 22 mm before mounting. Do not exceed the switch contact ratings specified in the full product datasheet.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e: 22 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Type\u003c\/strong\u003e: Push-Button\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperation Type\u003c\/strong\u003e: Maintained (MA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush Button Style\u003c\/strong\u003e: Flush\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush Button Color\u003c\/strong\u003e: Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush Button Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush Button Material\u003c\/strong\u003e: Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNEMA Rating\u003c\/strong\u003e: 4X, 13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 1.2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1.1 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 1.1 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.06 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: UL Listed, UL 508, CSA, CSA C22.2 No. 14, EN\/IEC 60947-1, EN\/IEC 60947-5-1, EN\/IEC 60947-5-4, EN\/IEC 60947-5-5, Bureau Veritas, DNV, GL, RINA, LROS, JIS C 4520\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SCHNEIDER ELECTRIC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ZB4BH03\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHNEIDER ELECTRIC","offers":[{"title":"Default Title","offer_id":51540927643954,"sku":"ZB4BH03","price":46.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d746a6559ae878aa11d7a146f3b6026c.jpg?v=1785866011","url":"https:\/\/voomisupply.com\/products\/schneider-electric-zb4bh03-maintained-push-button-switch","provider":"Voomi Supply","version":"1.0","type":"link"}