{"product_id":"siemens-ed21b025l-circuit-breaker","title":"Siemens | ED21B025L | Circuit Breaker | 25A | 1-Pole | 120V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens ED21B025L circuit breaker — a precise, 25-amp, 1-pole protection device designed for reliable 120-volt circuits. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker ensures your panel protection remains consistent with Siemens engineering standards.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 25A\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 ED21B025L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference for compatibility:\u003c\/strong\u003e The part number is the best reference when matching to your panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this ED21B025L is a smart choice for your panel\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSingle-pole design provides dedicated protection for a single hot conductor on 120V circuits, keeping other circuits unaffected while guarding against overcurrent.\u003c\/li\u003e \u003cli\u003e25A rating offers the right balance for higher-demand branch circuits in many residential installs, ensuring safety without unnecessary nuisance trips in compatible loads.\u003c\/li\u003e \u003cli\u003eDesigned for seamless retrofit and replacement in Siemens panels, with the ED-series framing and mounting aligned for straightforward swaps.\u003c\/li\u003e \u003cli\u003eCompact form factor fits standard load centers, simplifying upgrades and maintenance without forcing panel rewiring or space changes.\u003c\/li\u003e \u003cli\u003eThe ED21B025L carries the Siemens pedigree, giving you confidence in long-term reliability and consistent replacement parts for future service needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a blown breaker on a 120V circuit within a Siemens-equipped panel during routine maintenance or after an panel upgrade.\u003c\/li\u003e \u003cli\u003eRetrofitting older wiring to support a dedicated 25A circuit, when the load warrants a higher-capacity protection device and panel labeling permits.\u003c\/li\u003e \u003cli\u003eNew installations where a single 25A, 120V, 1-pole protection device is required for a specific branch circuit, with compatibility verified by part number.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering: use the part number ED21B025L as your primary compatibility reference.\u003c\/li\u003e \u003cli\u003eCheck your panel labeling to ensure Siemens ED-series breakers are supported and that a 25A, 1-pole, 120V device is appropriate for the circuit you’re protecting.\u003c\/li\u003e \u003cli\u003eFor safety, power down the main before working on any breakers, and use proper tools and torque when securing terminals.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about load calculations or panel compatibility, consult a licensed electrician to avoid mismatches and ensure code-compliant installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSiemens ED21B025L Circuit Breaker, 25A, 1-Pole, 120V — a reliable,-code-compliant protection solution for your Siemens panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the ED21B025L means you’re installing a purpose-built device that aligns with Siemens’ design intent for safe, predictable protection. It’s the practical, dependable choice for maintenance, retrofit, and replacement projects where exact specifications matter and long-term reliability is essential.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426833453218,"sku":"ED21B025L","price":237.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed21b025l-circuit-breaker-25a-1-pole-120v-929.webp?v=1789630549","url":"https:\/\/www.ampstate.com\/products\/siemens-ed21b025l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}