{"product_id":"siemens-nng3f120-circuit-breaker","title":"Siemens | NNG3F120 | Circuit Breaker | 1200A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing Siemens NNG3F120 — a purpose-built circuit breaker crafted for reliability in heavy-duty power distribution. This 3-pole unit is rated for 1200A and designed to operate at up to 600V, making it a solid choice for demanding industrial panels and critical electrical systems.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1200A current capacity\u003c\/strong\u003e provides robust protection for high-load feeders and large motor circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ensures synchronized disconnection across all three phases, essential for balanced protection in three-phase networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V voltage rating\u003c\/strong\u003e meets the insulation and safety requirements for industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e — a practical choice when upgrading aging gear or stocking spare parts for Siemens-based installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAuthentic Siemens quality\u003c\/strong\u003e backed by the brand’s reliability in industrial power protection and service continuity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain protection for large-scale distribution panels in manufacturing facilities\u003c\/li\u003e \u003cli\u003eRetrofits in existing Siemens switchgear that require 1200A, 3-pole, 600V protection\u003c\/li\u003e \u003cli\u003eSpare-part inventory for service teams maintaining Siemens-powered electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, compatibility, and installation tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm compatibility by referencing the exact part number: \u003cstrong\u003eNNG3F120\u003c\/strong\u003e. This is the most reliable reference for locating the right fit. Verify panel compatibility, mounting footprint, and terminal connections with your equipment’s documentation to ensure a clean, swap-in replacement or retrofit.\u003c\/p\u003e \u003cp\u003eWith Siemens NNG3F120, you’re choosing a durable, high-capacity protection solution built to minimize downtime and protect expensive equipment in demanding workflows. Whether you’re maintaining a legacy panel, upgrading a distribution feed, or stocking parts for future service, this 3-pole, 1200A, 600V breaker delivers the performance your operation depends on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427545600162,"sku":"NNG3F120","price":31014.0,"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-nng3f120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}