{"product_id":"siemens-ngb1k050b-circuit-breaker","title":"Siemens | NGB1K050B | Circuit Breaker | 50A | 1-Pole | 347V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens NGB1K050B\u003c\/strong\u003e Circuit Breaker delivers dependable overcurrent protection for 347V circuits in industrial and commercial panels. With a 50A rating and a single-pole configuration, this bolt-on device is optimized for upgrades, repairs, and replacements where exact specifications matter, ensuring your system stays protected without unnecessary downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 347 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NGB1K050B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for reliability in demanding environments, the NGB1K050B pairs Siemens’ longstanding engineering with a straightforward bolt-on installation that reduces service time during maintenance or retrofit projects. Its 50A capacity is well-suited for circuits that require solid protection without the complexity of larger, multi-pole solutions. The single-pole design keeps wiring simple and minimizes enclosure space usage while delivering precise current interruption when faults occur.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacement in existing panels where a 50 A, 1-pole, 347 V breaker is specified\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading branch circuits to meet new load requirements\u003c\/li\u003e \u003cli\u003eReplacement during equipment upgrades that mandate exact NGB1K050B compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to confirm compatibility\u003c\/h3\u003e\n\u003cp\u003eAlways verify fit and ratings before ordering. The \u003cstrong\u003epart number NGB1K050B\u003c\/strong\u003e is the most reliable reference for compatibility with your enclosure and bus configuration. If your system calls for a 50 A, 1-pole, 347 V bolt-on circuit protector, this Siemens breaker is a precise match.\u003c\/p\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the panel and follow lockout\/tagout procedures before replacement.\u003c\/li\u003e \u003cli\u003eEnsure the enclosure supports bolt-on mounting and the 347 V rating for your circuit.\u003c\/li\u003e \u003cli\u003eConfirm all wiring is correctly terminated and that the breaker is seated firmly in the mounting rail to prevent loose connections.\u003c\/li\u003e \u003cli\u003eWhen in doubt, reference the panel manufacturer’s guidelines and the NGB1K050B datasheet for exact installation instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426802192546,"sku":"NGB1K050B","price":467.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ngb1k050b-circuit-breaker-50a-1-pole-347v-bolt-880.webp?v=1789624647","url":"https:\/\/www.ampstate.com\/products\/siemens-ngb1k050b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}