{"product_id":"siemens-ed41b045l-45a-120v-1-pole-circuit-breaker","title":"Siemens ED41B045L - 45 A, 120 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens ED41B045L 45A, 120V, 1-Pole Molded Case Circuit Breaker — a compact, dependable choice for safeguarding your electrical system. Designed for use in panelboards and load centers, this single-pole breaker delivers precise protection for individual branch circuits while maximizing space in your panel.\u003c\/p\u003e \u003ch3\u003eKey benefits that matter in real-world setups\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient design\u003c\/strong\u003e: The molded case form factor fits snugly in panelboards and load centers, helping you optimize panel capacity without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines thermal (overload) and magnetic (short-circuit) protection for stable, predictable operation and quick response to faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: Engineered to work with matching OEM Siemens load centers and panelboards, ensuring a reliable, uniform protection system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial applications where a 1-pole, 120V breaker is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and where to use it\u003c\/h3\u003e\n\u003cp\u003eThis ED41B045L serves as branch circuit protection, preventing damage from overloads and short circuits on single-phase 120V circuits. It’s ideal for protecting outlets, lighting runs, small equipment circuits, and other 120V loads in homes, offices, workshops, and light commercial spaces. Use it when you need a reliable 45A rating on a single hot conductor with a compatible Siemens panel installation.\u003c\/p\u003e \u003ch3\u003eTechnical specifications 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 ED41B045L\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 45A\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\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips and practical guidance\u003c\/h3\u003e\n\u003cp\u003eTo get the most reliable performance, pair this breaker with a matching Siemens load center or panelboard. Verify that your panel’s labeling supports a 45A, 1-pole device and that the overall panel ampacity can accommodate a 45A branch circuit. When replacing an existing breaker, ensure the new ED41B045L fits the same mounting type and fits within the panel’s listed operating conditions. For optimal operation, keep wiring clean and properly terminated, and avoid overloading adjacent slots with incompatible devices.\u003c\/p\u003e \u003cp\u003eWhether you’re updating a residential panel, outfitting a small business distribution box, or maintaining a light industrial setup, the Siemens ED41B045L delivers dependable protection in a compact package. Available through AmpState, it’s a purpose-built solution when single-pole, 120V protection is the right fit for your system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349787660450,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_815fd8bc-b45e-46eb-934e-518c33fc5f90.png?v=1764156737","url":"https:\/\/www.ampstate.com\/products\/siemens-ed41b045l-45a-120v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}