{"product_id":"siemens-ed21b020l-circuit-breaker","title":"Siemens | ED21B020L | Circuit Breaker | 20A | 1-Pole | 120V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens ED21B020L Circuit Breaker is a precise, reliable solution for protecting individual circuits in residential and light commercial electrical systems. With a clean 20-amp, 1-pole design and a 120-volt rating, it delivers safe, predictable performance for everyday loads that demand dependable overcurrent protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ED21B020L — the best reference for compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e maintenance, retrofit, and replacement projects where exact specs matter\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker acts as a safety switch that interrupts current when a fault, overload, or short arises, helping to protect wiring, outlets, and connected devices from damage. The 20A rating is suited for circuits that power lighting, receptacles, or moderate-load equipment in typical 120V systems.\u003c\/p\u003e \u003ch3\u003eWhy choose this Siemens ED21B020L breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExact spec match for seamless replacement or retrofits—amperage, pole count, and voltage align with existing installations that require a 1-pole 20A 120V device\u003c\/li\u003e \u003cli\u003ePart number reliability: use ED21B020L as the definitive reference to verify compatibility with your panel and circuit configuration\u003c\/li\u003e \u003cli\u003eDesigned for straightforward installation and reliable ongoing protection in maintenance and upgrade projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering to ensure proper panel compatibility and circuit protection\u003c\/li\u003e \u003cli\u003eWhen replacing a failed breaker, match the exact part number (ED21B020L) to avoid compatibility issues\u003c\/li\u003e \u003cli\u003eUnderstand your circuit needs: 20A is appropriate for circuits that frequently draw up to 80% of the rating under normal use, with protection kicking in if that level is exceeded\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn real-world scenarios, this Siemens ED21B020L circuit breaker provides a reliable, code-conscious option for updating or maintaining branch circuits that require solid, predictable protection at 120V. By prioritizing the exact specifications and clear compatibility references, you can ensure safer, more dependable electrical performance in your space.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426837385378,"sku":"ED21B020L","price":170.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_63e470e9-d360-4ffe-a511-3550084c618c.png?v=1766907689","url":"https:\/\/www.ampstate.com\/products\/siemens-ed21b020l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}