{"product_id":"siemens-ngb3b050b-50a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens NGB3B050B - 50 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NGB3B050B — a 50A, 600V, 3-pole bolt-on molded case circuit breaker built to shield panelboards and load centers from overcurrent and short-circuit events. Designed for dependable protection in a variety of settings, this breaker delivers secure performance when it matters most.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection that stays tight even in busy electrical rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining overload sensing with instantaneous short-circuit trip, reducing nuisance trips across temperature variations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e supports 3-phase circuits common in commercial and light industrial systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens compatibility\u003c\/strong\u003e is engineered to pair with matching OEM load centers and panelboards for seamless replacement or upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eUse this breaker for branch circuit protection in residential service panels with 3‑phase capability, small commercial distribution panels, and light industrial panelboards. Its bolt‑on architecture and robust trip mechanism make it well-suited for environments where reliability and solid connections are essential.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: NGB3B050B\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 50A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600V\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; compatibility tips\u003c\/h3\u003e\n\u003cp\u003eFor reliable performance, pair this 50A, 3-pole breaker with Siemens NGB series panelboards and load centers. The bolt-on mounting simplifies installation and ensures a durable bus connection, making it a solid option for panel upgrades in residential spaces, small commercial settings, and light industrial installations. Ensure your panel is rated for 600V maximum and that circuit loading complies with local electrical codes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355138805922,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_6eb0a622-dc31-499a-813e-c186d66985fd.png?v=1764689587","url":"https:\/\/www.ampstate.com\/products\/siemens-ngb3b050b-50a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}