{"product_id":"siemens-njg3b350l-350a-3p-circuit-breaker","title":"Siemens NJG3B350L Circuit Breaker, 350A, 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens \u003cstrong\u003eNJG3B350L\u003c\/strong\u003e Circuit Breaker is a rugged, dependable 3-pole protector designed for demanding industrial electrical service, maintenance, and replacement projects. With a robust \u003cstrong\u003e350 A\u003c\/strong\u003e rating, this unit safeguards three-phase power distribution, helping protect motors, feeders, and equipment from overloads and fault currents.\u003c\/p\u003e \u003cp\u003eWhy the NJG3B350L stands out:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for 3-phase protection\u003c\/strong\u003e — ideal for industrial distribution panels and feeders that run on three-phase power.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e350 A continuous rating\u003c\/strong\u003e provides solid fault-current handling for heavy loads in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProven Siemens reliability\u003c\/strong\u003e with field-tested performance in industrial settings, ensuring long-term protection and minimal downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number-driven compatibility\u003c\/strong\u003e — verify fit by the exact part number \u003cstrong\u003eNJG3B350L\u003c\/strong\u003e and align it with your application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance and replacement ready\u003c\/strong\u003e — a practical choice when upgrading aging infrastructure or refurbishing existing panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to confirm a perfect fit:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse \u003cstrong\u003eNJG3B350L\u003c\/strong\u003e as the primary compatibility reference. Cross-check it against your panel labeling, Siemens catalogs, or replacement guides.\u003c\/li\u003e \u003cli\u003eConsider your application requirements, including service environment, operating current, and the breaker family used in your system.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about compatibility, \u003cstrong\u003emessage us\u003c\/strong\u003e for expert help in matching the part number to your equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIndustrial service upgrades where reliable three-phase protection is needed for feeders and motors.\u003c\/li\u003e \u003cli\u003eMaintenance projects replacing aging or failed breakers in heavy-duty panels.\u003c\/li\u003e \u003cli\u003eNew equipment installations requiring a dependable, field-proven 3-pole breaker from a trusted manufacturer.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant note: Always verify the fit by part number and your specific application requirements before purchasing to ensure seamless integration with your Siemens system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415971582114,"sku":"NJG3B350L","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-njg3b350l-350a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}