{"product_id":"siemens-ngg2b050l-50a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens NGG2B050L - 50 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet Siemens NGG2B050L — a 50A, 600V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch-circuit protection in panelboards and load centers. Built to withstand the rigors of busy electrical rooms, this unit provides precise protection when you need it most and stays securely connected through vibration and routine maintenance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e a rigid bus connection minimizes movement and loosening, ensuring consistent electrical contact even in commercial environments with vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines fast short-circuit interruption with reliable overload protection, delivering stable, repeatable protection across a wide range of operating conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility:\u003c\/strong\u003e designed to pair seamlessly with Siemens OEM panelboards and load centers for straightforward replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e suitable for residential, commercial, and light industrial circuits — from lighting and outlets to feeders and HVAC controls.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe NGG2B050L supports protection for branch circuits at up to 50 amperes and up to 600 volts, making it a solid choice for spaces where space efficiency and reliability matter. Its two-pole design provides simultaneous disconnect and protection for both conductors, simplifying wiring within panelboards.\u003c\/p\u003e \u003ch3\u003eWhy choose this Siemens breaker?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise protection with a thermal-magnetic trip curve that adapts to surges and sustained loads, reducing nuisance trips while preserving equipment life.\u003c\/li\u003e \u003cli\u003eDurable construction tailored for panelboard environments — long-life bus connections and rugged housing resist wear in frequent switching operations.\u003c\/li\u003e \u003cli\u003eClear path to code-compliant installations in residential, commercial, and light industrial settings due to standardized Siemens design.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: NGG2B050L\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\u003eApplications: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for electricians and facility managers performing panelboard upgrades or replacements, the NGG2B050L provides a reliable, install-with-confidence solution. When you need a rugged, bolt-on breaker that aligns with Siemens load centers and panelboards, this 50A, 2-pole unit delivers consistent protection and straightforward serviceability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355150635170,"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_9eec0b94-bc58-4036-b1bd-60d691d43e1e.png?v=1764689604","url":"https:\/\/www.ampstate.com\/products\/siemens-ngg2b050l-50a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}