{"product_id":"siemens-neb3b050b-50a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens NEB3B050B - 50 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens NEB3B050B is a 50A, 600V, 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and loadcenters. Built to deliver reliable protection where it matters, this unit pairs solid performance with straightforward installation in Siemens-compatible systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits that matter in real-world installations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain secure electrical contact in panels subject to movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overcurrent and short-circuit events, reducing nuisance trips and ensuring consistent responses under varying load conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-panel compatibility\u003c\/strong\u003e is designed to work with matching Siemens loadcenters and panelboards, simplifying replacements and upgrades without compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, 3-pole design\u003c\/strong\u003e supports three-phase distribution in residential, commercial, and light industrial applications where reliable 3-phase protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat problems does it solve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBy providing precise branch circuit overcurrent and short-circuit protection, the NEB3B050B protects wiring, devices, and personnel from damage due to electrical faults. The thermal-magnetic trip mechanism responds quickly to faults, while the bolt-on construction offers a durable connection that holds up in demanding environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew installations requiring a 50A, 3-pole breaker in Siemens-compatible panelboards\u003c\/li\u003e \u003cli\u003ePanelboard upgrades or replacements in residential, commercial, or light industrial settings\u003c\/li\u003e \u003cli\u003eSystems where vibration or movement necessitates a secure, robust mounting method\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: NEB3B050B\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 50 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\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 \u003cp\u003eWith its precise trip characteristics, robust mounting, and seamless compatibility with Siemens loadcenters, the NEB3B050B is a dependable choice for protecting critical electrical infrastructure in a wide range of settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355136676002,"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_a2ad7dfe-49d6-45b6-b7da-5447298985f8.png?v=1764689546","url":"https:\/\/www.ampstate.com\/products\/siemens-neb3b050b-50a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}