{"product_id":"square-d-qo170-70a-120v-1-pole-plug-in-circuit-breaker","title":"Square D QO170 - 70 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QO170\u003c\/strong\u003e is a 70A, 120V, 1-pole plug-in molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Its fast plug-in connection lets you install or replace the unit with minimal panel downtime, making maintenance and upgrades straightforward for both professionals and handy homeowners.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEffortless plug-in installation\u003c\/strong\u003e — secure, snap-in mounting that slides into a compatible QO panelboard or load center without specialized tools.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection you can rely on\u003c\/strong\u003e — a trip unit that combines precise thermal sensing with rapid magnetic response to handle overloads and short circuits consistently across diverse environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible fit\u003c\/strong\u003e — engineered to align perfectly with matching Square D QO OEM panelboards, ensuring reliable operation and seamless integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings\u003c\/strong\u003e — ideal for residential, commercial, and light industrial circuits where dependable 70-amp protection at 120 volts is needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-pole convenience with scalable protection\u003c\/strong\u003e — protects one branch circuit while offering a clear path to expand protection as your electrical system grows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does it solve?\u003c\/h3\u003e\n\u003cp\u003eThe QO170 delivers predictable, repeatable protection against overcurrent and short circuits, helping to prevent wiring damage, nuisance tripping, and downtime. The plug-in design minimizes installation time during new builds, service upgrades, or panel replacements, so you can keep electrical projects on schedule.\u003c\/p\u003e \u003ch3\u003eWho is this for?\u003c\/h3\u003e\n\u003cp\u003eIdeal for electricians and DO-IT-YOURSELF enthusiasts working with Square D QO family panels, this breaker suits homes undergoing remodels, small commercial spaces, and light industrial applications that require reliable 70A protection at 120V.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: QO170\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: 70A\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\u003eMounting style\u003c\/strong\u003e: Plug-in\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 \u003cp\u003eFor dependable branch protection that installs quickly and fits seamlessly within Square D panelboards, the QO170 is a practical, proven choice. Use it where reliable, plug-in protection is required and compatibility with OEM load centers is a priority.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355397836962,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo170-70-a-120-v-1-pole-plug-in-circuit-breaker-ampstate-617.webp?v=1788754400","url":"https:\/\/www.ampstate.com\/products\/square-d-qo170-70a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}