{"product_id":"siemens-ed41b045-45a-120v-1-pole-bolt-on-circuit-breaker","title":"Siemens ED41B045 - 45 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens ED41B045—a 45A, 120V, 1-pole bolt-on molded case circuit breaker built for dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. This unit is engineered for stable performance in real-world electrical layouts, delivering consistent protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping maintain a solid electrical path and reducing the risk of connection-related issues over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers precise, repeatable protection by responding appropriately to both sustained overcurrent and sudden short circuits, balancing safety with minimizing nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is designed to work with matching Siemens OEM loadcenters and panelboards, supporting reliable replacement and seamless integration in existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings\u003c\/strong\u003e—suitable for residential, commercial, and light industrial environments where robust circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eTechnical specifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: ED41B045\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 45 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 120 V\u003c\/li\u003e \u003cli\u003eNumber of poles: 1\u003c\/li\u003e \u003cli\u003eMounting style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eIdeal use scenarios\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eResidential panelboards needing reliable 45 A protection for specific branch circuits\u003c\/li\u003e \u003cli\u003eSmall commercial lighting or receptacle circuits where consistent protection and quick response are critical\u003c\/li\u003e \u003cli\u003eLight industrial feeders in environments where a sturdy, vibration-resistant connection matters\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens ED41B045 means selecting a purpose-built solution for consistent, safe circuit protection in compatible panelboards and load centers. Its bolt-on design, together with a thermal-magnetic trip mechanism, offers dependable performance you can trust across varied applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349787627682,"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_0961ac58-8361-4890-8c28-d1aba5bd9ef6.png?v=1764156736","url":"https:\/\/www.ampstate.com\/products\/siemens-ed41b045-45a-120v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}