{"product_id":"siemens-ed63a003-3a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens ED63A003 - 3 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens ED63A003\u003c\/strong\u003e — a compact, rugged 3-pole bolt-on molded case circuit breaker designed to protect your branch circuits in panelboards and load centers. Rated at 3 A and 600 V, it delivers dependable overcurrent and short-circuit protection for residential, commercial, and light industrial electrical systems. The secure bolt-on mounting ensures a rigid, vibration-resistant bus connection, maintaining consistent protection even in environments with movement or vibration. Available from AmpState.\u003c\/p\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e creates a robust, vibration-resistant connection to the bus bars, reducing the risk of loose connections and arcing in challenging installation environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by responding to both overloads (thermal) and short-circuit events (magnetic), helping you avoid nuisance trips while safeguarding wiring and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e delivers balanced protection across three phases, ideal for modern panelboards and load centers in multi-phase installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e design ensures seamless integration with matching Siemens OEM load centers and panelboards, simplifying upgrades and replacements without compatibility concerns.\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: ED63A003\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 3 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\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations and replacements in Siemens panelboards and load centers requiring reliable 3-pole protection\u003c\/li\u003e \u003cli\u003eResidential, commercial, and light industrial control panels where compact, secure bolt-on mounting is advantageous\u003c\/li\u003e \u003cli\u003e retrofit projects where existing OEM compatibility and consistent protection curves matter\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and benefits\u003c\/h3\u003e\n\u003cp\u003eThe ED63A003 delivers a clear protection advantage in environments that experience vibration or movement, thanks to its bolt-on connection that maintains a solid bus interface. The combination of thermal and magnetic trip elements offers dependable coordination—tripping promptly on severe short circuits while minimizing nuisance trips due to gradual temperature changes. Its 3 A rating is suitable for protecting branch circuits that require precise current limiting without sacrificing fast fault clearance in panelboards and load centers.\u003c\/p\u003e \u003ch3\u003eHow it compares and why it’s a smart choice\u003c\/h3\u003e\n\u003cp\u003eCompared to generic circuit breakers, the ED63A003 is designed to integrate seamlessly with Siemens panel ecosystems, ensuring consistent electrical performance, reliable trip characteristics, and straightforward maintenance. Its molded-case construction provides durability in compact form factors, making it a practical choice for upgrades, panel reconfigurations, or new builds where dependable, code-compliant protection is essential.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349792641186,"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_7a50f061-555a-41d7-8172-17a0c147e46a.png?v=1764156908","url":"https:\/\/www.ampstate.com\/products\/siemens-ed63a003-3a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}