{"product_id":"ngb3b050","title":"Siemens NGB3B050 - 50A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cstrong\u003eSiemens NGB3B050\u003c\/strong\u003e is a rugged 50A, 3-pole circuit breaker designed to deliver reliable overcurrent protection in demanding electrical environments. With a 3-pole configuration, it provides balanced protection for 3-phase systems in panelboards, switchboards, and control panels—essential for safeguarding feeders, motors, and downstream equipment. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEngineered by Siemens to deliver dependable performance in industrial, commercial, and OEM applications. The 3-pole design ensures synchronized protection across all phases, reducing the risk of unbalanced faults and equipment damage.\u003c\/li\u003e \u003cli\u003eProvides safe operation and consistent protection for distribution panels and motor control centers, helping minimize downtime and equipment wear.\u003c\/li\u003e \u003cli\u003eSeamless integration into existing Siemens infrastructure, enabling straightforward upgrades or retrofits in panelboards, switchboards, and MCCs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtection for 3-phase feeders in manufacturing lines, pumping stations, and HVAC systems.\u003c\/li\u003e \u003cli\u003eMotor control center feeders requiring 50A protection and reliable startup isolation.\u003c\/li\u003e \u003cli\u003eOEM applications where compact, reliable 3-pole protection is essential in custom switchgear.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen selecting overcurrent protection, alignment with your system’s conductor size, short-circuit current rating, and coordination with upstream devices is essential. The \u003cstrong\u003e50A, 3-Pole\u003c\/strong\u003e configuration of the \u003cstrong\u003eSiemens NGB3B050\u003c\/strong\u003e provides a straightforward, robust protection option that fits standard Siemens distribution architectures.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390593716386,"sku":"NGB3B050","price":582.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_71e779f9-d456-4299-b791-20d8e0cf2d5f.png?v=1765377374","url":"https:\/\/www.ampstate.com\/products\/ngb3b050","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}