{"product_id":"siemens-e42b070-circuit-breaker","title":"Siemens | E42B070 | Circuit Breaker | 2-Pole | 480V | Bolt-On","description":"\u003cdiv\u003eSiemens E42B070 Circuit Breaker — a precise, two-pole protection solution designed for industrial power systems that demand reliability, compatibility, and straightforward installation. With a 480V rating and a bolt-on mounting design, this breaker is crafted for maintenance, retrofit, and replacement projects where exact specifications matter most. \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e E42B070\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your panels and circuits\u003c\/h3\u003e\n\u003cp\u003eIn industrial environments, using the correct breaker is essential for safe, predictable operation. The E42B070 is purpose-built for Siemens-compatible equipment, delivering dependable overcurrent protection across two conductors in 480V systems. The bolt-on design provides a robust, secure fit in panels that support this mounting style, helping minimize installation time and reduce maintenance downtime.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace worn or failed breakers in existing Siemens installations to restore reliable protection.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade legacy systems to a modern, two-pole 480V solution without changing the panel infrastructure.\u003c\/li\u003e \u003cli\u003eReplacement: exact part-for-part swap where E42B070 is the matching reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure a proper fit\u003c\/h3\u003e\n\u003cp\u003eAlways confirm compatibility by using the part number as the primary reference. The E42B070 is the defining identifier for this two-pole, 480V, bolt-on breaker. Before ordering, verify that your panel accepts bolt-on Siemens breakers and that the voltage and pole configuration align with your circuit protection requirements.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the circuit and verify absence of voltage before attempting replacement or installation.\u003c\/li\u003e \u003cli\u003eInspect the mounting surfaces for clean, flat contact areas to ensure a solid bolt-on connection.\u003c\/li\u003e \u003cli\u003eRecord the exact part number (E42B070) in your maintenance logs to streamline future replacements and audits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens E42B070 when you need a precise, compatible, and dependable 2-pole 480V bolt-on circuit breaker that supports maintenance, retrofit, and replacement workflows. Using the correct part number helps guarantee proper fit and ratings, delivering consistent protection for your electrical distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426778697890,"sku":"E42B070","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/siemens-e42b070-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}