{"product_id":"siemens-e42b100-circuit-breaker","title":"Siemens | E42B100 | Circuit Breaker | 2-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens E42B100 2-Pole 480V Bolt-On Circuit Breaker is built for dependable protection in demanding industrial environments. Designed for maintenance, retrofit, and replacement projects, this breaker delivers precise specifications that align with existing panels and control circuits while simplifying procurement with a clear part-number reference.\u003c\/p\u003e \u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\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 E42B100\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Suitable for maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongprecise compatibility:\u003e The E42B100 is the best reference for ensuring fit and ratings in your panel—important for avoiding mismatches during upgrades or repairs.\u003c\/strongprecise\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined installation:\u003c\/strong\u003e Bolt-On mounting provides a secure, robust connection that speeds up installation and reduces vibration in high-demand environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases:\u003c\/strong\u003e Ideal for retrofits in legacy systems, routine maintenance cycles, and straightforward replacement projects where reliable 480V protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance technicians performing panel refreshes or component swaps in industrial facilities\u003c\/li\u003e \u003cli\u003eElectrical engineers planning retrofit projects that require exact part matching to existing Siemens gear\u003c\/li\u003e \u003cli\u003eMaintenance programs that prioritize quick, dependable replacements with known performance characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for procurement and use\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that the E42B100 matches your panel’s specifications and ratings. The part number is the most reliable reference for compatibility, reducing the risk of under- or over-specification during replacement. If you’re consolidating spare parts, pairing this 2-pole 480V bolt-on breaker with compatible Siemens hardware ensures consistent performance and easier future servicing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426659291298,"sku":"E42B100","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-e42b100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}