{"product_id":"siemens-q1520nc-20a-120v-1-pole-plug-in-circuit-breaker","title":"Siemens Q1520NC - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens Q1520NC stands ready to shield your branch circuits with precision and reliability. This 20A, 120V, 1-pole plug-in molded case circuit breaker is purpose-built for quick installation, easy replacement, and dependable protection in panelboards and load centers. Whether you’re wiring a home, a small business, or an light industrial space, this breaker delivers consistent performance when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for rapid installation and hassle-free replacement, reducing downtime during maintenance or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining overload and short-circuit protection in a single, compact device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e design ensures seamless compatibility with matching Siemens load centers and panelboards, preserving system integrity and ratings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial circuits that require reliable branch-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e Q1520NC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eBy choosing the Siemens Q1520NC, you’re investing in a component that prioritizes safety and uptime. The 20A rating makes it ideal for protecting lighting and receptacle circuits, small equipment feeds, and other branch circuits where reliable interruption during an overload or short is essential. The plug-in design minimizes service interruptions during maintenance, while the thermal-magnetic trip unit delivers predictable response characteristics that electricians rely on for consistent protection across loads.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing a worn or failing breaker in Siemens panelboards and load centers.\u003c\/li\u003e \u003cli\u003eInstalling new single-pole protection for branch circuits in residential wiring or light commercial setups.\u003c\/li\u003e \u003cli\u003eMaintaining service continuity in offices, retail spaces, or workshops that depend on stable circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse only in compatible Siemens OEM load centers and panelboards to ensure proper fit and protection standards.\u003c\/li\u003e \u003cli\u003eFollow all local electrical codes and Siemens installation guidelines when wiring or replacing breakers.\u003c\/li\u003e \u003cli\u003eTurn off main power before servicing and permit qualified personnel to perform electrical work.\u003c\/li\u003e \u003cli\u003eKeep spare Q1520NC breakers on hand for quick replacements to minimize downtime during routine maintenance or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355154043042,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-q1520nc-20-a-120-v-1-pole-plug-in-circuit-breaker-ampstate-885.webp?v=1788735590","url":"https:\/\/www.ampstate.com\/products\/siemens-q1520nc-20a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}