{"product_id":"siemens-ed63a040-40a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens ED63A040 - 40 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing Siemens ED63A040, a rugged 40 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to protect branch circuits in panelboards and loadcenters. Available through AmpState, this unit is built for electricians and facilities professionals who demand reliable overcurrent and short-circuit protection in residential, commercial, and light industrial settings.\u003c\/p\u003e \u003ch2\u003eWhy the ED63A040 stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned for harsh or vibration-prone environments, its secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that helps maintain consistent electrical contact and minimize arcing. The integrated thermal-magnetic trip unit delivers precise response to overloads and short circuits, ensuring stable, repeatable protection across a wide range of operating conditions.\u003c\/p\u003e \u003ch3\u003eCore specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for use with matching OEM Siemens loadcenters and panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most? Electricians, facilities managers, and installers working with Siemens panels in homes, offices, retail environments, and light manufacturing. The 3-pole configuration is ideal for three-phase distribution where code-compliant protection and coordinated breaker phases are essential, while the 40 A rating fits mid-size branch circuits often found in commercial and light industrial panels.\u003c\/p\u003e \u003ch3\u003ePractical uses and expert tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with compatible Siemens OEM loadcenters and panelboards to ensure optimal fit and protection integrity.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque specs on bolt-on connections to maintain a secure bus link and consistent performance over time.\u003c\/li\u003e \u003cli\u003eUse in retrofit projects to upgrade aging protection with a dependable, easily replaceable device that aligns with existing Siemens infrastructure.\u003c\/li\u003e \u003cli\u003ePlan circuits with awareness of startup surges and continuous loads in commercial spaces to minimize nuisance trips and maintain uninterrupted service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn the real world, the ED63A040’s combination of robust mechanical mounting and precise thermal-magnetic protection translates to safer installations, reduced maintenance headaches, and longer panel life. For professionals seeking a reliable, standards-aligned solution in Siemens ecosystems, this 3-pole bolt-on breaker delivers proven performance when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349793263778,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed63a040-40-a-600-v-3-pole-bolt-on-circuit-breaker-ampstate-960.webp?v=1788728241","url":"https:\/\/www.ampstate.com\/products\/siemens-ed63a040-40a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}