{"product_id":"siemens-neb2b050b-50a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens NEB2B050B - 50 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NEB2B050B is a 50A, 600V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. Its secure bolt-on mounting creates a rigid, vibration-resistant bus connection, helping maintain reliable performance in real-world installations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSecure bolt-on mounting provides a robust, vibration-resistant connection to the panel’s bus\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit delivers stable, repeatable protection for both overload and short-circuit conditions\u003c\/li\u003e \u003cli\u003eCompatible with matching OEM load centers and panelboards for a streamlined replacement or expansion\u003c\/li\u003e \u003cli\u003eSuitable for residential, commercial, and light industrial electrical applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: NEB2B050B\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: 2\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\u003eReal-world use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels where a durable, permanently mounted breaker is required for long-term reliability\u003c\/li\u003e \u003cli\u003eCommercial panelboards needing a vibration-resistant solution that won’t loosen with daily operation\u003c\/li\u003e \u003cli\u003eLight industrial panels that demand 600V protection with a compact, two-pole design\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility\u003c\/h3\u003e\n\u003cp\u003eThe NEB2B050B is designed to work with Siemens OEM load centers and panelboards that support bolt-on, molded case breakers. Its thermal-magnetic trip mechanism provides a dependable baseline of protection across typical operating temperatures, helping you maintain safe, predictable electrical performance without surprises.\u003c\/p\u003e \u003ch3\u003eWhy choose this Siemens breaker\u003c\/h3\u003e\n\u003cp\u003eChoosing the Siemens NEB2B050B means aligning your protection strategy with a proven component engineered for secure mounting and durable signaling of faults. The 2-pole, 50A, 600V rating covers a wide range of branch circuits, while the bolt-on design minimizes the risk of loose connections in environments subject to vibration or movement. For installers and facility managers seeking a direct fit for Siemens systems, this breaker offers a precise, compatible solution that supports reliable, long-term protection of electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355135529122,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-neb2b050b-50-a-600-v-2-pole-bolt-on-circuit-breaker-250.webp?v=1788734361","url":"https:\/\/www.ampstate.com\/products\/siemens-neb2b050b-50a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}