{"product_id":"siemens-ed63b090-90a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens ED63B090 - 90 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003ch2\u003eSiemens ED63B090: 90A, 600V, 3-Pole Bolt-On Molded Case Circuit Breaker\u003c\/h2\u003e\n\u003cp\u003eThe Siemens ED63B090 is a rugged, three‑pole molded case circuit breaker designed to provide precise branch circuit overcurrent and short‑circuit protection in panelboards and load centers. With bolt‑on mounting, it delivers a physically secure, vibration‑resistant bus connection that maintains reliable performance in demanding electrical environments.\u003c\/p\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt‑on mounting\u003c\/strong\u003e — A rigid connection that resists vibration and arcing, ideal for panels subject to equipment movement or in industrial settings where reliability matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e — Combines thermal protection for long‑term overcurrent events with magnetic trip for fast response to short‑circuit faults, delivering stable, repeatable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole, 90A, 600V design\u003c\/strong\u003e — Specifically engineered for three‑phase branch circuits, capable of protecting motor loads, lighting panels, and other commercial or light industrial equipment at up to 600 volts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard compatibility\u003c\/strong\u003e — Engineered to integrate smoothly with matching OEM load centers and panelboards, reducing installation guesswork and ensuring coordinated protection across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiversified application fit\u003c\/strong\u003e — Suitable for residential, commercial, and light industrial applications where dependable circuit protection and compact form factor are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging breakers in panelboards and load centers that service three‑phase equipment.\u003c\/li\u003e \u003cli\u003eMotor control circuits in light industrial environments where vibration resistance and reliable trip performance are essential.\u003c\/li\u003e \u003cli\u003eCommercial electrical installations that require a robust, code‑compliant 3‑pole solution for branch circuit protection.\u003c\/li\u003e \u003cli\u003eNew installations where OEM compatibility guarantees straightforward panel integration and future maintenance simplicity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: ED63B090\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Thermal‑magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e: 90 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\u003eApplication\u003c\/strong\u003e: Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the ED63B090 for your panel?\u003c\/h3\u003e\n\u003cp\u003eChoosing the ED63B090 means prioritizing reliability and long‑term performance. The bolt‑on design minimizes connection loosening over time, the thermal‑magnetic trip unit provides predictable protection behavior across varying load conditions, and the device’s three‑pole configuration keeps three‑phase systems protected with a single, compact solution. When you pair this breaker with the appropriate Siemens panelboard, you gain optimized coordination, easier maintenance, and a clear path to code‑compliant protection for your electrical infrastructure.\u003c\/p\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eInstall per Siemens installation instructions and local electrical codes. Ensure the mounting bolts are torqued to the manufacturer’s specifications to maintain that vibration‑resistant connection. Regularly inspect for signs of wear or corrosion on the bus connection and replace the breaker if the trip performance becomes irregular or slow. For best results, coordinate with the corresponding OEM load center or panelboard and replace in matched pairs if upgrading a multi‑breaker bank.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349794738338,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed63b090-90-a-600-v-3-pole-bolt-on-circuit-breaker-ampstate-602.webp?v=1788728519","url":"https:\/\/www.ampstate.com\/products\/siemens-ed63b090-90a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}