{"product_id":"siemens-ef3l050z","title":"Siemens EF3L050Z 50A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens EF3L050Z 50A 3-Pole 600 V Circuit Breaker — a precise, reliable solution for protecting three‑phase electrical systems in commercial and light industrial settings. Built around Siemens engineering, this breaker delivers dependable overcurrent protection for feeders and motors in up to 600 V networks, with a decisive 50 A rating that helps prevent equipment damage and unplanned downtime.\u003c\/p\u003e \u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-pole for three-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e up to 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EF3L050Z\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection tailored for balance\u003c\/strong\u003e The 3-pole design safeguards all legs of a three-phase circuit, helping maintain system stability and reducing the risk of unbalanced faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecisely matched to Siemens panels\u003c\/strong\u003e The EF3L050Z is engineered for seamless replacement and integration within compatible Siemens electrical architectures, simplifying upgrades and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable performance in challenging environments\u003c\/strong\u003e Rated for 600 V systems, it’s well suited for mid-to-large commercial applications where consistent protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting feeders and motors in three-phase distribution circuits for HVAC equipment, pumps, conveyors, and manufacturing lines.\u003c\/li\u003e \u003cli\u003eServing as a reliable main or branch circuit protector in commercial panels that require true three-pole protection.\u003c\/li\u003e \u003cli\u003eReplacement or upgrade in existing Siemens panel setups to restore accurate 3-phase fault protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations for installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm that your panel and wiring are rated for 600 V and 50 A to ensure safe, compliant operation.\u003c\/li\u003e \u003cli\u003eProfessional electrical installation is recommended to guarantee proper termination and secure mounting in Siemens-compatible enclosures.\u003c\/li\u003e \u003cli\u003eKeep the exact part number (EF3L050Z) on hand to ensure you’re selecting the correct replacement for your three-phase system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor reliable three-phase protection with straightforward replacement in Siemens panels, the Siemens EF3L050Z 50A 3-Pole 600 V Circuit Breaker delivers clear, practical value — protecting critical equipment and keeping your commercial or light industrial operations running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423117070498,"sku":"EF3L050Z","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-ef3l050z","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}