{"product_id":"siemens-ef3a150l-circuit-breaker","title":"Siemens | EF3A150L | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSiemens EF3A150L\u003c\/strong\u003e Circuit Breaker—the robust protection your 3‑phase electrical system can rely on. With a 150A rating, 3 poles, and a 600V maximum, this device is built for demanding industrial and commercial panels, making maintenance, retrofit, and replacement projects straightforward and reliable.\u003c\/p\u003e \u003ch3\u003eWhy the EF3A150L matters in real-world setups\u003c\/h3\u003e\n\u003cp\u003eIn three‑phase power environments, ensuring that all conductors trip together during a fault is critical for safety and uptime. The \u003cstrong\u003eEF3A150L\u003c\/strong\u003e delivers a true 3‑pole, common-trip design, enabling synchronized disconnection of all phases. This reduces arc‑flash risk, protects connected equipment, and minimizes downtime caused by partial trips.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e EF3A150L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this Siemens breaker unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpec‑matched interchangeability:\u003c\/strong\u003e Designed to align with existing Siemens installations and legacy panels that require EF3A150L, reducing retrofit complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection for 3‑phase systems:\u003c\/strong\u003e Optimized to protect motors, conveyors, presses, and other heavy loads common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility guidance:\u003c\/strong\u003e The part number EF3A150L is the strongest reference for ensuring the right fit and ratings—verify before ordering to prevent mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects in manufacturing lines that run on 3‑phase power\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed breakers in industrial control panels\u003c\/li\u003e \u003cli\u003eUpgrading service panels to meet updated safety and reliability standards\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical notes for installation and care\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the fit and ratings match your panel requirements. Follow all relevant electrical codes and the manufacturer’s installation instructions. The EF3A150L is designed to deliver dependable protection in spaces where three-phase reliability is non‑negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427522957474,"sku":"EF3A150L","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-ef3a150l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}