{"product_id":"siemens-ed42b100-100a-480v-2-pole-bolt-on-circuit-breaker","title":"Siemens ED42B100 - 100 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens ED42B100 — a 100A, 480V, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. Designed to integrate smoothly within Siemens ecosystems, it provides a straightforward upgrade path that preserves system reliability and performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, minimizing the risk of loose contacts in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e offers stable, repeatable protection behavior, quickly responding to overcurrent and short-circuit events to safeguard your equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is ensured with matching Siemens load centers and panelboards, simplifying replacements and upgrades without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for residential, commercial, and light industrial installations that require reliable 2-pole protection at 480V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design at 100A\u003c\/strong\u003e provides targeted protection for branch circuits, helping maintain electrical system integrity in distributed power setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use scenarios\u003c\/h3\u003e\n\u003cp\u003e• Upgrading aging distribution panels in commercial offices or light industrial facilities where 480V circuits are common. The bolt-on mounting simplifies installation in existing enclosures without rewiring bus connections.\u003c\/p\u003e\n\u003cp\u003e• Replacing or retrofitting underperforming or nuisance-tripping breakers in Siemens-compatible panelboards, helping maintain stable operation across critical circuits.\u003c\/p\u003e\n\u003cp\u003e• Designing new 480V distribution schemes that require reliable, easy-to-service protection for branch circuits that feed motors, HVAC controllers, lighting mains, or other commercial equipment.\u003c\/p\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eIn power distribution, reliability hinges on solid connections and predictable protection. The ED42B100’s bolt-on design minimizes movement and arc risk in vibration-prone installations, while the thermal-magnetic trip unit delivers consistent coordination with upstream protection devices. This translates to fewer unexpected trips, faster fault isolation, and longer equipment life.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong manufacturer:\u003e Siemens\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong part number:\u003e ED42B100\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong type:\u003e Thermal-magnetic molded case circuit breaker\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong amperage rating:\u003e 100A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong voltage rating:\u003e 480V\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong poles:\u003e 2\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong mounting style:\u003e Bolt-on\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong application:\u003e Branch circuit overcurrent and short-circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens ED42B100 for a robust, compatible solution that aligns with Siemens panelboards and load centers, delivering reliable protection where it counts most. It’s a practical, purpose-built choice for professionals who value precise protection, straightforward integration, and long-term system stability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349789102242,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_b2f5b1eb-7f92-4dfc-a4ef-67142ed3afed.png?v=1764156798","url":"https:\/\/www.ampstate.com\/products\/siemens-ed42b100-100a-480v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}