{"product_id":"schneider-zb4bs834-harmony-xb4-emergency-stop-head-30mm-red-mushroom","title":"Schneider ZB4BS834 Harmony XB4 Emergency Stop Head 30mm Red Mushroom","description":"\u003cp\u003eThe Schneider Electric ZB4BS834 is an emergency stop push-button head from the Harmony XB4 series, with a 30 mm unmarked red mushroom operator. The head uses trigger action with mechanical latching and is reset by turning the operator to release, suitable for ISO 13850 emergency stop circuits. It mounts in a standard 22.5 mm panel cut-out with a chromium-plated metal bezel.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is the operator head only. A compatible contact block (e.g. ZB4BZ102 body with 1 NC, or separate XB4 contact blocks) is required to form a complete operating assembly.\u003c\/p\u003e\u003cp\u003eTechnical specifications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: ZB4BS834\u003c\/li\u003e\n\u003cli\u003eManufacturer: Schneider Electric\u003c\/li\u003e\n\u003cli\u003eSeries: Harmony XB4 (metal)\u003c\/li\u003e\n\u003cli\u003eType: Head for emergency switching off push-button\u003c\/li\u003e\n\u003cli\u003eOperator: Red mushroom 30 mm, unmarked\u003c\/li\u003e\n\u003cli\u003eAction: Trigger action with mechanical latching\u003c\/li\u003e\n\u003cli\u003eReset: Turn to release\u003c\/li\u003e\n\u003cli\u003eBezel material: Chromium plated metal\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 22.5 mm\u003c\/li\u003e\n\u003cli\u003eIP rating: IP66, IP69, IP69K (IEC 60529)\u003c\/li\u003e\n\u003cli\u003eIK rating: IK06 (IEC 50102)\u003c\/li\u003e\n\u003cli\u003eElectrical shock protection: Class I (IEC 61140)\u003c\/li\u003e\n\u003cli\u003eMechanical durability: 300,000 cycles\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40 to +70 °C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -40 to +70 °C\u003c\/li\u003e\n\u003cli\u003eVibration resistance: 5 gn, 2-500 Hz (IEC 60068-2-6)\u003c\/li\u003e\n\u003cli\u003eShock resistance: 30 gn \/ 18 ms and 50 gn \/ 11 ms (IEC 60068-2-27)\u003c\/li\u003e\n\u003cli\u003eHigh-pressure washer resistance: 7,000,000 Pa at 55 °C, 0.1 m\u003c\/li\u003e\n\u003cli\u003eWeight: 0.068 kg\u003c\/li\u003e\n\u003cli\u003eStandards: EN\/ISO 13850, EN\/IEC 60204-1, EN\/IEC 60947-5-1, EN\/IEC 60947-5-4, EN\/IEC 60947-5-5\u003c\/li\u003e\n\u003cli\u003eDirective: Machinery Directive 2006\/42\/EC\u003c\/li\u003e\n\u003cli\u003eCertifications: UL listed, CSA, DNV, BV, LROS\u003c\/li\u003e\n\u003cli\u003eEnclosure type: UL Type 4X\/13\u003c\/li\u003e\n\u003cli\u003eGTIN: 3389110888850\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeatures and benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTamper-proof trigger action: a change of contact state is not possible by teasing or floating the operator - the safety requirement for ISO 13850 emergency stop devices\u003c\/li\u003e\n\u003cli\u003eCompliant with EN\/ISO 13850 and Machinery Directive 2006\/42\/EC for machine safety stop circuits\u003c\/li\u003e\n\u003cli\u003eIP66\/IP69\/IP69K plus high-pressure washer resistance, suitable for food, beverage and washdown environments\u003c\/li\u003e\n\u003cli\u003eChromium-plated metal bezel rated for 300,000 mechanical cycles\u003c\/li\u003e\n\u003cli\u003eWide -40 to +70 °C operating range for cold-storage and outdoor industrial enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eApplications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEmergency stop circuits on machine tools, conveyors and industrial equipment requiring EN\/ISO 13850 compliance\u003c\/li\u003e\n\u003cli\u003eFood, beverage and pharmaceutical equipment with IP69K washdown requirements\u003c\/li\u003e\n\u003cli\u003eOutdoor industrial control panels needing -40 °C cold-start capability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRelated products in this family:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eZB4BS844 - same trigger-action turn-to-release head in 40 mm red mushroom (also available on our store)\u003c\/li\u003e\n\u003cli\u003eZB4BS864 - 60 mm version of the same head\u003c\/li\u003e\n\u003cli\u003eZB4BT844 \/ ZB4BT84 \/ ZB4BX84 - push-pull reset variants (30 \/ 40 \/ 60 mm)\u003c\/li\u003e\n\u003cli\u003eZB4BS934 \/ ZB4BS944 \/ ZB4BS964 - key-release variants (key No. 455)\u003c\/li\u003e\n\u003cli\u003eZB4BZ102 - compatible body with 1 NC contact block for a complete assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAlso known as: Schneider ZB4BS834, Harmony XB4 30 mm red mushroom emergency stop head, ZB4-BS834.\u003c\/p\u003e","brand":"SCHNEIDER ELECTRIC","offers":[{"title":"Default Title","offer_id":57838287782152,"sku":"SCHZB4BS834","price":11.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/4351\/3096\/files\/schneider-zb4bs834-harmony-xb4-emergency-stop-head-30mm-red-mushroom-7854550.jpg?v=1779122712","url":"https:\/\/gabbyelectric.com\/products\/schneider-zb4bs834-harmony-xb4-emergency-stop-head-30mm-red-mushroom","provider":"Gabby Electric","version":"1.0","type":"link"}