{"product_id":"siemens-ee1b040-circuit-breaker","title":"Siemens | EE1B040 | Circuit Breaker | 40A | 1-Pole | 120V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eExperience dependable protection with the Siemens EE1B040 Circuit Breaker — a genuine Siemens part designed for 120V electrical panels that require a 40A, single-pole bolt-on solution. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker delivers consistent performance and a secure, mechanical connection in your panel.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\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\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the EE1B040? Its dedicated design aligns with Siemens panels that require a 1-pole, 40-amp, 120-volt bolt-on breaker. This specificity helps ensure reliable tripping behavior and proper fit within the panel’s bus and mounting point, reducing the guesswork often involved in replacement projects. The part number EE1B040 is the most reliable reference for compatibility, so verify it against your panel requirements before ordering.\u003c\/p\u003e \u003cp\u003eIdeal use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace a failed or worn breaker in an existing Siemens panel to restore protection quickly.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade circuits to meet updated loads or code requirements with a matching 40A, 1-pole, 120V bolt-on breaker.\u003c\/li\u003e \u003cli\u003eReplacement: swap in a genuine EE1B040 when your panel specifies this exact part for continued compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for a smooth installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways de-energize the panel and follow all safety protocols before replacement.\u003c\/li\u003e \u003cli\u003eConfirm the panel model and slot configuration align with a 1-pole, 40A, 120V bolt-on breaker.\u003c\/li\u003e \u003cli\u003eUse the EE1B040 part number as your primary compatibility check to avoid mismatches.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about installation or panel compatibility, consult a licensed electrician to ensure proper mounting torque and safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424386994338,"sku":"EE1B040","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ee1b040-circuit-breaker-40a-1-pole-120v-bolt-837.webp?v=1789349380","url":"https:\/\/www.ampstate.com\/products\/siemens-ee1b040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}