{"product_id":"eaton-qc1040-40a-120v-1-pole-circuit-breaker","title":"Eaton QC1040 - 40 A, 120 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton QC1040, a 40-amp, 120-volt, 1-pole molded case circuit breaker built to safeguard your branch circuits from overcurrent and short-circuit events. Engineered for dependable performance in panelboards and load centers, this unit blends a compact design with precise trip technology for reliable protection you can count on every day.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e: minimizes space on the panelboard and aligns neatly with other breakers, helping you maximize usable panel area.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: combines heat-based overload protection with magnetic instantaneous response for stable, repeatable protection under both transient and steady-state conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e: designed to pair with matching Eaton OEM load centers and panelboards for a consistent fit and code-compliant protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: suitable for residential, commercial, and light industrial circuits requiring reliable 40A protection at 120V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QC1040\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 40A\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\u003eUse cases and practical scenarios\u003c\/h3\u003e \u003cp\u003eIn a residential panel, the QC1040 can protect a dedicated 120V circuit feeding high-demand outlets or a small workshop. In commercial settings, use it to safeguard lighting and receptacle runs or small equipment circuits where a 40A protection level offers the right balance of safety and practicality. For light industrial environments, it provides dependable protection on branch circuits that don’t require multi-pole devices, helping you maintain safe, code-compliant electrical distribution.\u003c\/p\u003e \u003ch3\u003eWhy choose the Eaton QC1040?\u003c\/h3\u003e \u003cp\u003eBeyond the basic specs, this breaker delivers a thoughtful combination of form and function. The compact footprint helps you optimize panel space, while the thermal-magnetic trip unit delivers predictable responses to overloads and short circuits. Its compatibility with Eaton’s load centers and panelboards reduces installation hassles and ensures a cohesive protection strategy across your electrical distribution. For installers and facility managers stocking Eaton components, the QC1040 provides a reliable, readily available option that aligns with standard panel configurations.\u003c\/p\u003e \u003cp\u003ePart of AmpState's Eaton lineup, the QC1040 is a practical choice when you need robust 40A protection at 120V without sacrificing panel organization or future serviceability. Replace or upgrade existing circuits with confidence, knowing you’re using a trusted Eaton component built for steady, long-term performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349664485538,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-qc1040-40-a-120-v-1-pole-circuit-breaker-ampstate-breakers-105.webp?v=1788705272","url":"https:\/\/www.ampstate.com\/products\/eaton-qc1040-40a-120v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}