{"product_id":"siemens-ed63a040l-40a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens ED63A040L - 40 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens ED63A040L — 40A, 600V, 3‑Pole Bolt‑On Molded Case Circuit Breaker\u003c\/strong\u003e is designed to deliver dependable branch circuit overcurrent and short‑circuit protection within panelboards and load centers. Built for environments that demand solid mechanical stability and precise protection, this unit helps keep critical electrical systems running smoothly.\u003c\/p\u003e \u003cp\u003eKey to its value is the secure bolt‑on mounting, which provides a rigid, vibration‑resistant bus connection. That means fewer loose connections, lower risk of nuisance trips, and easier service when you need to replace or upgrade breakers in the field. Paired with a thermal‑magnetic trip unit, the ED63A040L delivers stable, repeatable protection characteristics—fast response to faults while minimizing unnecessary trips during normal operation.\u003c\/p\u003e \u003ch3\u003eWhat this 3‑pole breaker is ideal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree‑phase protection in commercial and light industrial electrical systems, as well as appropriate residential installations that use three‑phase panels\u003c\/li\u003e \u003cli\u003ePanelboard and load center upgrades or replacements within Siemens ecosystems for consistent performance\u003c\/li\u003e \u003cli\u003eApplications requiring reliable protection of sizeable branch circuits at up to 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDistinctive benefits we want you to notice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure, vibration‑resistant mounting\u003c\/strong\u003e — bolt‑on design ensures a robust connection to the bus, reducing movement that can lead to wear or intermittent trips\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic protection\u003c\/strong\u003e — stable trip characteristics across varying loads and temperatures, supporting predictable fault isolation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑aligned compatibility\u003c\/strong\u003e — crafted to fit matching Siemens OEM panelboards and load centers, promoting uniform performance across the system\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: ED63A040L\u003c\/li\u003e \u003cli\u003eType: Thermal‑magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003eAmperage Rating: 40 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt‑on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for maximum reliability\u003c\/h3\u003e\n\u003cp\u003eWhen integrating the ED63A040L, verify that your panelboard is compatible with this ED63A series unit to ensure consistent trip curves and seamless fit. For best results, pair it with other Siemens OEM components in the same enclosure family to maintain uniform protection performance across the distribution system. If you’re upgrading from a lower ampacity or different mounting style, anticipate a straightforward swap with this bolt‑on MCCB to restore solid protection without extensive panel modification.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349793296546,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed63a040l-40-a-600-v-3-pole-bolt-on-circuit-breaker-221.webp?v=1788728251","url":"https:\/\/www.ampstate.com\/products\/siemens-ed63a040l-40a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}