{"product_id":"siemens-q120afcnl","title":"Siemens Q120AFCNL 120A 1-Pole 120 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eSiemens Q120AFCNL\u003c\/b\u003e is a dedicated single-pole, 120-volt circuit breaker engineered for reliable overcurrent protection in compatible Siemens panels. With a \u003cb\u003e120 A\u003c\/b\u003e rating and a \u003cb\u003e1-pole\u003c\/b\u003e design, this breaker is built to safeguard a dedicated 120 V circuit in residential or light commercial electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e Q120AFCNL\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCurrent rating:\u003c\/b\u003e 120 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePole configuration:\u003c\/b\u003e 1-pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 120 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Designed for use in Siemens panels that support Q-Line breakers; confirm panel labeling and listing before installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your home or small business wiring: a properly matched Siemens breaker like the Q120AFCNL ensures consistent, predictable protection for the circuit it guards. If a fault or overload occurs, the breaker trips quickly to prevent overheating, insulation damage, or potential fire hazards, helping you maintain electrical safety and system longevity.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eIdeal use scenarios\u003c\/b\u003e include dedicated 120 V circuits in kitchens, workshops, or utility rooms where a higher-capacity protection device is warranted, or in subpanels within Siemens ecosystems where a single, robust 120 V disconnect is needed. This is not a universal fit for every panel—verify that your specific Siemens panel accepts Q-Line breakers and that a 120 A, 1-pole device aligns with your circuit requirements.\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePractical installation notes\u003c\/b\u003e – have a licensed electrician install and verify compatibility with your panel’s labeling, ensure the circuit demands align with a 120 A rating, and follow all local electrical codes for safe operation. Always pair breakers with correctly sized conductors and properly rated enclosures to maintain system integrity.\u003c\/p\u003e \u003cp\u003eChoosing the Siemens Q120AFCNL means opting for a part that’s built to meet Siemens’ rigorous manufacturing standards and to integrate smoothly with Siemens’ electrical systems. If you’re upgrading or expanding a Siemens panel, this 120 A, 1-pole 120 V breaker provides a dependable, coiled-accurate protection option that aligns with your existing Q-Line components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423152459938,"sku":"Q120AFCNL","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-q120afcnl-120a-1-pole-120-v-circuit-breaker-642.webp?v=1789276032","url":"https:\/\/www.ampstate.com\/products\/siemens-q120afcnl","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}