{"product_id":"siemens-ed61b045-45a-600v-1-pole-bolt-on-circuit-breaker","title":"Siemens ED61B045 - 45 A, 600 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens ED61B045—a purpose-built 1-pole, 45A molded case circuit breaker designed to protect branch circuits with precision and reliability. This bolt-on version is engineered for a secure, vibration-resistant connection to your panelboard or load center, delivering dependable overcurrent and short-circuit protection in everyday electrical installations.\u003c\/p\u003e \u003ch3\u003eWhat makes the ED61B045 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt-on mounting\u003c\/b\u003e—a rigid bus connection minimizes movement and electrical noise, helping maintain consistent protection even in environments with vibration or footprint shifts.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e—combines thermal and magnetic sensing for stable, repeatable trip performance across temperature changes and fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM-compatible design\u003c\/b\u003e—specifically suited for use with Siemens OEM load centers and panelboards, ensuring a clean, reliable fit when replacing or upgrading existing breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile protection\u003c\/b\u003e—ideal for residential, commercial, and light industrial applications that require dependable branch circuit protection and fast fault interruption.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho is this ideal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors upgrading or maintaining panelboards and load centers in small to mid-size commercial spaces.\u003c\/li\u003e \u003cli\u003eHome electricians performing service upgrades or equipment replacements in residential settings with Siemens-compatible infrastructure.\u003c\/li\u003e \u003cli\u003eFacilities managers seeking a durable, easy-to-install solution for light industrial circuits that demand reliable overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters in real-world use\u003c\/h3\u003e\n\u003cp\u003eThe ED61B045 isn’t just a generic breaker. Its bolt-on mounting and secure bus connection reduce the risk of loose connections that can cause nuisance trips or arcing. The thermal-magnetic trip unit responds swiftly to short circuits while maintaining a predictable, non-nuisance trip curve for overloads, helping protect wiring and connected equipment. Being compatible with matching Siemens OEM panels means smoother installations, fewer compatibility surprises, and streamlined maintenance down the line.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e ED61B045\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage Rating:\u003c\/b\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of Poles:\u003c\/b\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting Style:\u003c\/b\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation, compatibility, and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure you’re pairing this breaker with a Siemens-compatible panelboard or load center to guarantee fit and coordinated trip characteristics.\u003c\/li\u003e \u003cli\u003eWhen mounting, verify that the bolt-on connection is tightened to the manufacturer’s recommended torque to maintain a solid bus contact and minimize vibration.\u003c\/li\u003e \u003cli\u003eUse this breaker for circuits where reliable protection against overloads and short circuits is critical—think lighting branches, receptacle circuits, and small motor loads in protected areas.\u003c\/li\u003e \u003cli\u003eFor maintenance, test the trip function periodically and replace any breakers showing signs of wear, corrosion, or inconsistent trip behavior.\u003c\/li\u003e \u003cli\u003eAlways follow local electrical codes and have a qualified professional perform installations or replacements to ensure safety and code compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349791166626,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ed61b045-45-a-600-v-1-pole-bolt-on-circuit-breaker-ampstate-575.webp?v=1788727925","url":"https:\/\/www.ampstate.com\/products\/siemens-ed61b045-45a-600v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}