{"product_id":"siemens-qf1b020","title":"Siemens QF1B020 20A 1-Pole 120 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QF1B020 20A 1-Pole 120 V Circuit Breaker — a compact, reliable solution designed to protect your electrical circuits from overcurrent events. Built to fit standard panels, this breaker delivers quick, predictable tripping when loads spike, helping to prevent overheating and potential electrical damage.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 120 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QF1B020\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens QF1B020 is ideal for safeguarding branch circuits in residential and light commercial settings. It protects lighting circuits, outlets, and small appliances by interrupting fault currents before wiring insulation or devices overheat, reducing the risk of fire and equipment damage.\u003c\/p\u003e \u003ch3\u003eWhy this 20A, 1-Pole breaker stands out\u003c\/h3\u003e\n\u003cp\u003ePrecisely rated at 20 amperes and designed for single-pole operation, this breaker provides straightforward, dependable overcurrent protection for 120 V circuits. Its streamlined design supports quick replacement and a clean, organized panel layout, making it a practical choice for both upgrades and repairs.\u003c\/p\u003e \u003cp\u003eKey benefits include:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eClear, consistent performance for standard 120 V circuits\u003c\/li\u003e \u003cli\u003eSimple replacement process that minimizes downtime\u003c\/li\u003e \u003cli\u003eCompatibility with panels that accept 1-pole, 120 V breakers\u003c\/li\u003e \u003cli\u003eReliable protection for general lighting, outlets, and small-appliance circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n \u003cp\u003eUse cases and scenarios:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a failed 1-pole breaker in a home electrical panel\u003c\/li\u003e \u003cli\u003eAdding protection for a dedicated lighting or receptacle circuit\u003c\/li\u003e \u003cli\u003eReplacing an aging breaker to restore stable, safe circuit control\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and safety note: As with all electrical work, ensure the main power is off and follow your panel manufacturer’s guidelines. This Siemens circuit breaker is intended for standard, single-pole 120 V circuits and should be installed by a qualified electrician or competent DIYer familiar with local codes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423250206882,"sku":"QF1B020","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-qf1b020","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}