{"product_id":"siemens-ed63b045-45a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens ED63B045 - 45 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens ED63B045—a robust 3-pole bolt-on molded case circuit breaker built to protect your distribution system with precision. Rated at 45 A and capable of handling up to 600 V, this unit is purpose-made for reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers.\u003c\/p\u003e \u003ch3\u003eWhy the ED63B045 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting for a secure, vibration-resistant bus connection\u003c\/strong\u003e: The bolt-on design creates a solid, low-resistance link that stays tight through operation, reducing movement that can affect protection performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit for stable, repeatable protection\u003c\/strong\u003e: The thermal element detects and limits nuisance trips from gradual overloads, while the magnetic element reacts rapidly to high fault currents, delivering dependable short-circuit interruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration for 3-phase applications\u003c\/strong\u003e: Perfect for residential, commercial, and light industrial systems requiring coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum rating\u003c\/strong\u003e: Suitable for a wide range of panelboard and load center designs that demand solid overcurrent protection at higher voltage levels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Designed to be used with matching Siemens OEM load centers and panelboards, ensuring a seamless, integrated protection solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and practical applications\u003c\/h3\u003e\n\u003cp\u003eUse the ED63B045 in service panels, distribution panels, and subpanels where three-phase protection is required. It’s an excellent choice when upgrading older equipment or designing a new installation that demands dependable, engineered protection for branch circuits. Its bolt-on approach is particularly advantageous in environments with vibration or movement, where a secure connection helps maintain consistent trip performance over time.\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 ED63B045\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 45 A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong voltage rating:\u003e 600 V\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong number of poles:\u003e 3\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\u003eWith the Siemens ED63B045, you’re choosing a purpose-built protection device that prioritizes connection integrity, predictable trip behavior, and compatibility with your Siemens panel ecosystem. It’s a thoughtful, durable solution for delivering safe, reliable electrical protection across residential, commercial, and light industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349793984674,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed63b045-45-a-600-v-3-pole-bolt-on-circuit-breaker-ampstate-763.webp?v=1788728425","url":"https:\/\/www.ampstate.com\/products\/siemens-ed63b045-45a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}