{"product_id":"siemens-ngg2b030-30a-600v-2-pole-circuit-breaker","title":"Siemens NGG2B030 - 30 A, 600 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NGG2B030 is a purpose-built, 2-pole molded case circuit breaker designed to defend your electrical system from overloads and short circuits. With a 30A rating and a 600V maximum, this compact unit fits cleanly into Siemens panelboards and load centers, delivering dependable protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes space efficiency inside panelboards, helping you tidy and organize electrical panels without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a wide range of loads, from steady resistive circuits to motors with inrush, reducing nuisance trips while preserving safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole protection\u003c\/strong\u003e simultaneously guards both conductors, ensuring reliable disconnection and balanced protection in multi-wire branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible performance\u003c\/strong\u003e is designed to work with matching Siemens panelboards and load centers, delivering coordinated protection and consistent electrical behavior.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments, where reliable branch circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: NGG2B030\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 30 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker matters in your electrical setup\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced safety and reliability\u003c\/strong\u003e—the thermal-magnetic trip unit reacts to both overloads and short circuits, minimizing the risk of wiring damage and fire hazards while ensuring a predictable response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-conscious protection\u003c\/strong\u003e—the molded case design preserves valuable panel real estate, making it ideal for retrofit projects or compact installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility\u003c\/strong\u003e—engineered to integrate with Siemens panelboards and load centers, so you can upgrade or expand with confidence without sacrificing system coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted use cases\u003c\/strong\u003e—perfect for branch circuits in residential panels, small commercial setups, and light industrial distribution where a dependable 30A, 600V two-pole solution is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical scenarios for NGG2B030\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading an aging panel to ensure modern protection for lighting, receptacle circuits, and small-appliance runs in homes or small offices.\u003c\/li\u003e \u003cli\u003eAdding a dedicated two-pole breaker for a motor-driven device or HVAC accessory within a Siemens-compatible panel.\u003c\/li\u003e \u003cli\u003eReplacing a failed breaker in a panelboard where a snug, space-efficient fit and consistent trip characteristics are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and maintenance tips\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways install in compatible Siemens OEM load centers or panelboards to ensure proper fit, labeling, and trip coordination.\u003c\/li\u003e \u003cli\u003eVerify circuit requirements match the 30 A rating and ensure conductors and fixtures are sized accordingly.\u003c\/li\u003e \u003cli\u003eAfter a trip, reset only after inspecting the circuit for or addressing the underlying fault to prevent repeat interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens NGG2B030 for a precise, durable, and space-conscious protection solution that aligns with Siemens panel ecosystems. Available through AmpState, it’s a dependable choice for safeguarding branch circuits across residential, commercial, and light industrial projects. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355150373026,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ngg2b030-30-a-600-v-2-pole-circuit-breaker-ampstate-breakers-211.webp?v=1788734945","url":"https:\/\/www.ampstate.com\/products\/siemens-ngg2b030-30a-600v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}