{"product_id":"siemens-eh3a150l-circuit-breaker","title":"Siemens | EH3A150L | Circuit Breaker | 150A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003ePower and protect demanding 480V three‑phase systems with the Siemens \u003cstrong\u003eEH3A150L\u003c\/strong\u003e circuit breaker. rated at \u003cstrong\u003e150A\u003c\/strong\u003e and featuring a \u003cstrong\u003e3‑pole\u003c\/strong\u003e design, this device is purpose-built for maintenance, retrofit, and replacement projects where dependable overcurrent protection is essential.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise protection for 480V three‑phase circuits\u003c\/strong\u003e: Designed to interrupt fault currents and safeguard critical equipment while keeping service disruptions to a minimum.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole functionality\u003c\/strong\u003e: Ensures all three phases disconnect together, reducing the risk of partial disconnections and associated electrical issues.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e: The part number \u003cem\u003eEH3A150L\u003c\/em\u003e is the best reference to verify fit with your panel or retrofit project.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Ideal for new installations, panel upgrades, or replacing aging breakers in industrial and commercial environments that operate at 480V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined replacement path\u003c\/strong\u003e: Matches the EH3A family design to minimize wiring changes and panel rework when upgrading or retrofitting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: \u003cstrong\u003e150 A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3-Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e480 V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho is this ideal for?\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFacilities with 480V three‑phase distribution seeking reliable, long‑term protection for feeders and equipment\u003c\/li\u003e \u003cli\u003eMaintenance teams performing retrofit work to modernize electrical infrastructure\u003c\/li\u003e \u003cli\u003eProject engineers selecting a precise, compatible replacement part for Siemens panels and systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidelines for purchasing and installation\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings for your specific panel or equipment—the \u003cem\u003eEH3A150L\u003c\/em\u003e part number is the primary compatibility reference.\u003c\/li\u003e \u003cli\u003ePlan replacements or retrofits around 480V, 3‑phase distribution to ensure seamless integration with existing wiring and bus configurations.\u003c\/li\u003e \u003cli\u003eInspect the device for any signs of damage before installation, and handle with care to preserve mounting alignment and terminal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens \u003cstrong\u003eEH3A150L\u003c\/strong\u003e circuit breaker, you gain a dependable, precisely rated solution for protecting 480V three‑phase circuits, designed to simplify maintenance, retrofit, and replacement workflows while delivering consistent, predictable performance when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427521941666,"sku":"EH3A150L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-eh3a150l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}