{"title":"QO Series Circuit Breakers","description":"\u003ch2\u003eQO Series Circuit Breakers\u003c\/h2\u003e\u003cp\u003eShop QO series circuit breakers by amperage, poles, voltage, mounting style, and trip technology.\u003c\/p\u003e\u003cp\u003eConfirm series, amperage, voltage, pole count, and mounting style before ordering. Need help identifying a replacement? \u003ca href=\"\/pages\/get-a-quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"square-d-qo115gfi-ground-fault","title":"Square D QO115GFI - 15A GFCI Miniature Circuit Breaker","description":"Engineered for residential and commercial applications, this 15A single-pole breaker delivers Class A 6mA ground-fault protection. It helps facilities meet NEC requirements for wet or damp locations. The plug-on design installs into Square D QO load centers and NQ panelboards, utilizing a standard pigtail neutral connection. It accepts 14-8 AWG copper or 12-8 AWG aluminum wiring. Featuring a 10kAIC rating at 120VAC, the unit includes the Visi-Trip indicator for rapid fault identification.","brand":"Square D","offers":[{"title":"New","offer_id":45355040178489,"sku":"QO115GFI","price":52.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO115GFI-1-Pole-Circuit-Breaker-Ground-Fault_SquareD-1_31c14051-75fc-43be-988c-8859162e6315.jpg?v=1773839545"},{"product_id":"square-d-qo115vh-15-amp","title":"Square D QO115VH - 15A 1 Pole Miniature Circuit Breaker","description":"Built to handle higher fault currents, this 15A miniature breaker provides an upgraded 22kAIC interrupt rating for demanding electrical environments. It serves as a robust solution for commercial facilities or residential services located near high-capacity utility transformers. This unit installs seamlessly into standard QO load centers, NQ panelboards, and Speed-D switchboards.","brand":"Square D","offers":[{"title":"New","offer_id":45355041095993,"sku":"QO115VH","price":30.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO115VH_1.jpg?v=1785943309"},{"product_id":"square-d-qo120epd-20-amp","title":"Square D QO120EPD - 20A GFEP Miniature Circuit Breaker","description":"Built for commercial applications, the Square D QO120EPD is a 1-pole, 20A miniature circuit breaker combining thermal-magnetic overcurrent and 30mA ground fault equipment protection. This plug-on breaker is engineered for Square D QO load centers and NQ panelboards. It features a pressure plate terminal accommodating 14-8 AWG copper or 12-8 AWG aluminum wire. Rated for 10 kAIC at 120VAC, it incorporates the Visi-Trip indicator for immediate visual confirmation of a tripped circuit.","brand":"Square D","offers":[{"title":"New","offer_id":45355042210105,"sku":"QO120EPD","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO120EPD_1.jpg?v=1792000148"},{"product_id":"square-d-qo120hm-20-amp","title":"Square D QO120HM - 20A 1 Pole Miniature Circuit Breaker","description":"Accommodating loads with significant starting surges, this high-magnetic 20A single-pole unit prevents unwanted nuisance tripping. It incorporates the standard Visi-Trip red indicator flag, allowing facility managers to quickly spot tripped circuits in crowded electrical rooms. The plug-on configuration fits perfectly into Square D QO load centers and NQ panelboards. Rated for 10kAIC at 120VAC, this thermal-magnetic device is also HACR and SWD rated for HVAC and fluorescent switching duties.","brand":"Square D","offers":[{"title":"New","offer_id":45355042570553,"sku":"QO120HM","price":29.0,"currency_code":"USD","in_stock":true}]},{"product_id":"square-d-qo120vh-20-amp","title":"Square D QO120VH - 20A 1 Pole Miniature Circuit Breaker","description":"Delivering enhanced fault protection, this 20-amp high-interrupting device features a 22kAIC rating for demanding residential and commercial applications. It mounts into standard QO load centers, NQ panelboards, and legacy NQOD enclosures. The unit incorporates Square D's signature Visi-Trip indicator to clearly flag tripped circuits, alongside an SWD rating that approves it for daily switching of fluorescent lighting circuits.","brand":"Square D","offers":[{"title":"New","offer_id":45355051090233,"sku":"QO120VH","price":30.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO120VH_1.jpg?v=1785943362"},{"product_id":"square-d-qo135-35-amp","title":"Square D QO135 - 35A 1 Pole Miniature Circuit Breaker","description":"Built for residential and commercial applications, the Square D QO135 delivers 35 amps of thermal-magnetic protection. This single-pole breaker safeguards standard circuits against overloads and short circuits. It mounts into Square D QO load centers, NQ, and NQOD panelboards. The plug-on design ensures a secure connection, while box lug terminals accept 8-2 AWG wire. Rated for 10 kAIC at 120\/240V, it features the exclusive Visi-Trip indicator to simplify troubleshooting.","brand":"Square D","offers":[{"title":"New","offer_id":45355060887865,"sku":"QO135","price":18.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO135-1-Pole-Circuit-Breaker_SquareD_1.jpg?v=1773838256"},{"product_id":"square-d-qo1515-tandem-circuit-breaker","title":"Square D QO1515 - 15\/15A Tandem Miniature Circuit Breaker","description":"Maximizing available capacity, this tandem configuration provides two independent 15A circuits within a single 3\/4-inch footprint. It serves as an ideal solution for adding new branch circuits when physical panel space is limited. Designed for Square D QO load centers, the plug-on module installs into slots approved for tandem use. The unit features standard box lug terminals accepting 14-8 AWG wiring. Built-in Visi-Trip technology provides clear visual indication during a fault.","brand":"Square D","offers":[{"title":"New","offer_id":45355077206329,"sku":"QO1515","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO1515-Tandem-Miniature-Circuit-Breaker_SquareD_1.jpg?v=1776972439"},{"product_id":"square-d-qo1520-tandem-circuit-breaker","title":"Square D QO1520 - 15\/20A Tandem Miniature Circuit Breaker","description":"Serving as a specialized replacement component, this non-CTL module lacks the standard rejection clip found on modern tandems. It provides one 15-amp and one 20-amp circuit within a single 3\/4-inch footprint, allowing older systems to expand their circuit count. This unit is specifically intended for older Square D QO load centers manufactured before current circuit-limiting standards. Featuring proven thermal-magnetic trip technology, the device includes the Visi-Trip indicator.","brand":"Square D","offers":[{"title":"New","offer_id":45355078713657,"sku":"QO1520","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO1520-Tandem-Miniature-Circuit-Breaker_SquareD_1.jpg?v=1776972573"},{"product_id":"square-d-qo2020-20-amp","title":"Square D QO2020 - 20\/20A Tandem Miniature Circuit Breaker","description":"Providing two independent 20A circuits in the footprint of a single-pole breaker, the Square D QO2020 is an efficient space-saving solution. It utilizes thermal-magnetic technology to protect branch circuits against overloads. Designed with a CTL rejection feature, this plug-on tandem installs into modern Square D QO load centers notched to accept tandem units. It accommodates 14-8 AWG wiring.","brand":"Square D","offers":[{"title":"New","offer_id":45355083497785,"sku":"QO2020","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO2020-Tandem-Miniature-Circuit-Breaker_SquareD_1.jpg?v=1776972473"},{"product_id":"square-d-qo21001021-100-amp","title":"Square D QO21001021 - 100A 2 Pole Miniature Circuit Breaker","description":"Engineered for remote tripping, the QO21001021 includes a factory-installed 120\/208\/240VAC shunt trip mechanism. This allows automated systems to open the 100-amp circuit from a remote location, ideal for emergency stops. The plug-on design fits seamlessly into standard Square D QO load centers and NQ panelboards. It requires three pole spaces total due to the attached shunt trip module. Along with standard protection, it features the Visi-Trip red flag for quick visual status confirmation.","brand":"Square D","offers":[{"title":"New","offer_id":45355084513593,"sku":"QO21001021","price":401.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO21001021.jpg?v=1686701445"},{"product_id":"square-d-qo2125vh-125-amp","title":"Square D QO2125VH - 125A 2 Pole Miniature Circuit Breaker","description":"Built for systems requiring higher fault tolerance, this 125-amp miniature breaker delivers an upgraded 22kA interrupting rating. It serves residential, commercial, and industrial applications needing robust thermal-magnetic protection. The unit installs into standard Square D QO load centers, NQ panelboards, and NQOD enclosures. It accommodates larger wire sizes up to 300 kcmil. A built-in Visi-Trip indicator provides immediate visual confirmation when the breaker trips.","brand":"Square D","offers":[{"title":"New","offer_id":45355085005113,"sku":"QO2125VH","price":202.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO2125VH-2-Pole-Circuit-Breaker_SquareD_1_31ff8c6e-1810-43ba-a300-89f9d59ee94f.jpg?v=1768413960"},{"product_id":"square-d-qo2150-150-amp","title":"Square D QO2150 - 150A 2 Pole Miniature Circuit Breaker","description":"Rated for 150A at 120\/240VAC, the QO2150 is a high-capacity miniature circuit breaker from Square D's QO series. It is designed to protect heavy-duty residential and commercial circuits, such as large subpanels or high-draw equipment, providing reliable thermal-magnetic overcurrent protection. This breaker snaps securely into compatible QO load centers, NQ panelboards, and NQOD panelboards. Due to its high amperage rating, the unit requires four panel spaces for proper installation.","brand":"Square D","offers":[{"title":"New","offer_id":45355085791545,"sku":"QO2150","price":314.98,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":50235467792697,"sku":"QO2150-R","price":195.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2150_1_77bb07c1-b262-4a11-988c-fec2474f3d04.jpg?v=1686701475"},{"product_id":"square-d-qo2175-175-amp","title":"Square D QO2175 - 175A 2 Pole Miniature Circuit Breaker","description":"Delivering reliable thermal-magnetic trip functions, the Square D QO2175 is a 2-pole, 175A miniature circuit breaker with a 10kAIC rating. It is built for heavy-duty electrical systems. This plug-on breaker requires four panel spaces and installs into QO load centers, NQ panelboards, and Speed-D switchboards. Box lug terminals accept 1 AWG to 300 kcmil wire. The unit features a Visi-Trip indicator for rapid fault detection and is HACR rated for HVAC applications.","brand":"Square D","offers":[{"title":"New","offer_id":45355087298873,"sku":"QO2175","price":307.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2175_1_2f6bfde3-8bb0-46d6-b487-82e95511ea0c.jpg?v=1686701501"},{"product_id":"square-d-qo2201021-20-amp","title":"Square D QO2201021 - 20A 2 Pole Miniature Circuit Breaker","description":"Part of the QO series, the Square D QO220-1021 provides 20A thermal-magnetic protection with the added functionality of a factory-installed shunt trip. This allows the breaker to be tripped remotely via a 120\/208\/240VAC control signal, making it ideal for commercial and industrial safety systems. It installs into standard QO load centers and NQ panelboards using a simple plug-on connection. This 2-pole breaker features a 10 kAIC rating and includes the Visi-Trip visual indicator.","brand":"Square D","offers":[{"title":"New","offer_id":45355088576825,"sku":"QO220-1021","price":362.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2201021_8aa6e2d9-a5b9-4b19-8e9d-89a51679dd05.jpg?v=1686701514"},{"product_id":"square-d-qo220epd-20-amp","title":"Square D QO220EPD - 20A GFEP Miniature Circuit Breaker","description":"Built to safeguard dedicated machinery, the Square D QO220EPD provides 20A of thermal-magnetic overcurrent defense alongside 30mA equipment ground fault protection. This GFEP breaker is ideal for heat tracing, pumps, and industrial equipment requiring a higher leakage threshold than standard 5mA personnel GFCIs. The plug-on design installs into QO load centers and NQ panelboards. It features pressure plate terminals compatible with 14-8 AWG copper or 12-8 AWG aluminum wire.","brand":"Square D","offers":[{"title":"New","offer_id":45355088806201,"sku":"QO220EPD","price":273.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO220EPD-2-Pole-Circuit-Breaker_SquareD_1_3d5870cb-b1a1-428a-9fb6-974b346d64b0.jpg?v=1751390594"},{"product_id":"square-d-qo2301021-30-amp","title":"Square D QO2301021 - 30A 2 Pole Miniature Circuit Breaker","description":"Built for remote shutdown applications, this 30A, 2-pole device includes a 120\/240VAC shunt trip. This allows external signals to open the circuit for safety systems. The accessory means this unit requires three standard spaces (2.25 inches wide). It snaps into Square D QO load centers and NQ panelboards, accepting 14-8 AWG wiring. It delivers 10kAIC protection and features the Visi-Trip indicator for quick fault identification.","brand":"Square D","offers":[{"title":"New","offer_id":45355089461561,"sku":"QO230-1021","price":284.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2301021.jpg?v=1686701537"},{"product_id":"square-d-qo230epd-30-amp","title":"Square D QO230EPD - 30A GFEP Miniature Circuit Breaker","description":"Built for commercial and industrial applications, the Square D QO230EPD provides reliable 30mA equipment protection (GFEP). This 30-amp, two-pole breaker prevents equipment damage from low-level ground faults without nuisance tripping on machinery. The plug-on design installs seamlessly into Square D QO load centers, as well as NQ and NQOD panelboards. It accepts 14-8 AWG copper or 12-8 AWG aluminum wiring via secure pressure plate terminals.","brand":"Square D","offers":[{"title":"New","offer_id":45355090247993,"sku":"QO230EPD","price":275.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO230EPD-2-Pole-Circuit-Breaker_SquareD_1.jpg?v=1751390673"},{"product_id":"square-d-qo230gfi-ground-fault","title":"Square D QO230GFI - 30A GFCI Miniature Circuit Breaker","description":"Built for residential and commercial applications, the Square D QO230GFI delivers reliable 30A ground-fault protection. This two-pole breaker safeguards personnel in areas where water and electricity mix. It mounts into standard QO load centers, NQ panelboards, and NQOD enclosures. The plug-on design and included pigtail neutral simplify wiring. Rated 10 kAIC at 120\/240V, this GFCI breaker features a Class A 6mA sensor and the Visi-Trip indicator to quickly identify tripped circuits.","brand":"Square D","offers":[{"title":"New","offer_id":45355090870585,"sku":"QO230GFI","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO230GFI-2-Pole-Circuit-Breaker-Ground-Fault_SquareD_1.jpg?v=1777483600"},{"product_id":"square-d-qo240gfi-40-amp","title":"Square D QO240GFI - 40A GFCI Miniature Circuit Breaker","description":"Part of the Qwik-Gard series, this 40A breaker delivers Class A 6mA ground fault protection. It is engineered for environments requiring strict NEC compliance for wet or damp locations. The two-pole unit installs into QO load centers, NQ, and NQOD panelboards. It utilizes a plug-on mounting style and includes a pigtail neutral for proper fault detection. Rated at 10 kAIC for 120\/240VAC systems, it features a Visi-Trip indicator to easily spot a tripped circuit.","brand":"Square D","offers":[{"title":"New","offer_id":45355091460409,"sku":"QO240GFI","price":148.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO240GFI-2-Pole-Circuit-Breaker-Ground-Fault_SquareD_1.jpg?v=1777483685"},{"product_id":"square-d-qo2501021-50-amp","title":"Square D QO2501021 - 50A 2 Pole Miniature Circuit Breaker","description":"Featuring a factory-installed shunt trip mechanism, this 50-amp two-pole breaker enables remote tripping capabilities for emergency shutdowns or automated control systems. It installs into standard Square D QO load centers, as well as commercial NQ and NQOD panelboards. The integrated Visi-Trip indicator ensures maintenance personnel can easily spot a tripped condition, while the HACR rating supports HVAC applications.","brand":"Square D","offers":[{"title":"New","offer_id":45355094671673,"sku":"QO250-1021","price":362.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2501021_6cd16d1e-c005-43a9-94f7-3c14d86b1272.jpg?v=1686701632"},{"product_id":"square-d-qo2601021-60-amp","title":"Square D QO2601021 - 60A 2 Pole Miniature Circuit Breaker","description":"Designed for commercial and industrial control systems, the QO260-1021 provides reliable 60-amp overcurrent protection with remote tripping capabilities. This two-pole miniature breaker features a factory-installed shunt trip, allowing the circuit to be opened from a remote location via a separate control voltage. The plug-on mounting style ensures quick installation into Square D QO load centers, NQ, and NQOD panelboards. It delivers a 10kA interrupting rating and includes Visi-Trip.","brand":"Square D","offers":[{"title":"New","offer_id":45355095851321,"sku":"QO260-1021","price":237.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2601021_1f6ae0e9-84ed-463f-ad02-387fe30a2907.jpg?v=1686701644"},{"product_id":"square-d-qo340swn-40-amp","title":"Square D QO340SWN - 40A 3 Pole Miniature Circuit Breaker","description":"Built for specialized applications requiring a disconnected neutral, the Square D QO340SWN delivers 40 amps of thermal-magnetic protection. This three-pole miniature circuit breaker is rated for 120\/240VAC systems and is commonly utilized in commercial environments like gas pump assemblies. It mounts securely into standard Square D QO load centers and NQ panelboards using a convenient plug-on connection.","brand":"Square D","offers":[{"title":"New","offer_id":45355102142777,"sku":"QO340SWN","price":143.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO340SWN_1_2f6dfa04-9f05-4bfa-880b-c672b08e7283.jpg?v=1686701774"},{"product_id":"square-d-qo350swn-50-amp","title":"Square D QO350SWN - 50A 3 Pole Miniature Circuit Breaker","description":"Part of the Square D QO series, the QO350SWN provides 50A of thermal-magnetic protection with a switched neutral function. It is ideal for commercial applications requiring simultaneous disconnection of hot and neutral conductors. This three-pole breaker installs into standard QO load centers and NQ panelboards. The plug-on design ensures a secure connection, accepting 8-2 AWG wire. Rated for 10kAIC at 120\/240VAC, it features the Visi-Trip indicator to quickly identify tripped circuits.","brand":"Square D","offers":[{"title":"New","offer_id":45355110957369,"sku":"QO350SWN","price":143.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO350SWN_1.jpg?v=1686701922"},{"product_id":"square-d-qo115pcafi-arc-fault","title":"Square D QO115PCAFI - 15A AFCI Miniature Circuit Breaker","description":"Engineered for residential safety, this 15-amp combination arc-fault circuit interrupter eliminates the need for a pigtail connection. It mounts into Square D QO plug-on neutral load centers, streamlining installation while freeing up gutter space. Featuring a 10kAIC rating and the signature Visi-Trip indicator, it provides clear visual confirmation of tripped circuits during fault conditions.","brand":"Square D","offers":[{"title":"New","offer_id":45356047860025,"sku":"QO115PCAFI","price":63.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO115PCAFI-1-Pole-Circuit-Breaker-Arc-Fault_SquareD_1.jpg?v=1739974796"},{"product_id":"square-d-qo120pcafi-20-amp","title":"Square D QO120PCAFI - 20A AFCI Miniature Circuit Breaker","description":"Engineered for residential and commercial applications, the Square D QO120PCAFI delivers 20A combination arc-fault protection. It features a thermal-magnetic trip mechanism to reliably clear overloads and short circuits. This single-pole breaker mounts into QO plug-on neutral load centers. As a drop-in replacement for the older QO120PAF, it simplifies upgrades in compatible enclosures. The plug-on neutral design eliminates the need for pigtail wiring, saving gutter space.","brand":"Square D","offers":[{"title":"New","offer_id":45356048187705,"sku":"QO120PCAFI","price":51.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO120PCAFI-1-Pole-Circuit-Breaker_SquareD-1.jpg?v=1737669047"},{"product_id":"square-d-qo3401021-40-amp","title":"Square D QO3401021 - 40A 3 Pole Miniature Circuit Breaker","description":"Part of the QO series, the Square D QO340-1021 is a 40-amp, three-pole miniature circuit breaker designed for residential, commercial, and industrial use. It is engineered to mount into QO load centers, NQ panelboards, and legacy NQOD systems. This plug-on breaker features a 10kAIC rating at 240VAC and utilizes thermal-magnetic trip technology. The defining feature is the factory-installed 120\/240V shunt trip accessory, which enables the breaker to be tripped remotely from a pilot device.","brand":"Square D","offers":[{"title":"New","offer_id":45356181291321,"sku":"QO340-1021","price":310.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/Q03401021_1.jpg?v=1784823664"},{"product_id":"square-d-qo120vhafi-20-amp","title":"Square D QO120VHAFI - 20A AFCI Miniature Circuit Breaker","description":"Rated at 22 kAIC, this 20A branch\/feeder AFCI breaker provides robust protection for 120V circuits. The Square D QO120VHAFI utilizes a thermal-magnetic trip unit to detect both overcurrents and dangerous arc faults. It installs into standard QO load centers, as well as NQ and NQOD panelboards. The breaker includes a traditional pigtail neutral connection. Equipped with a Visi-Trip indicator, it allows users to quickly identify tripped circuits. It is replaced by the QO120VHCAFI.","brand":"Square D","offers":[{"title":"New","offer_id":45357036929337,"sku":"QO120VHAFI","price":102.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/qo120vhafi_a34ae20f-2b90-4f79-a09a-3930631b1a17.jpg?v=1686731114"},{"product_id":"square-d-qo2000-100-amp","title":"Square D QO2000 - 100A 2 Pole Miniature Circuit Breaker","description":"Built for manual switching applications, this 100A two-pole non-automatic switch operates without thermal-magnetic trip elements to serve as a dedicated disconnect. It mounts into Square D QO load centers and NQ panelboards using a standard plug-on connection, accommodating 4 AWG to 2\/0 AWG wire sizes. While it does not provide overcurrent protection, the unit retains the signature Visi-Trip indicator and common trip functionality found in standard QO series breakers.","brand":"Square D","offers":[{"title":"New","offer_id":45357090373945,"sku":"QO2000","price":41.09,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QO2000_4484ea92-b265-4706-8e55-954ea80c022a.jpg?v=1686731754"},{"product_id":"square-d-qo200-60-amp","title":"Square D QO200 - 60A 2 Pole Molded Case Switch","description":"Built for residential and commercial use, the Square D QO200 is a 60A, 2-pole molded case switch. It functions exclusively as a manual disconnect, providing a safe way to isolate circuits without offering overcurrent protection. This plug-on switch mounts into Square D QO load centers and NQ\/NQOD panelboards. It accepts 8-2 AWG aluminum or copper wiring via secure box lugs for 120\/240VAC systems. Featuring a Visi-Trip indicator, the switch allows users to easily identify its status.","brand":"Square D","offers":[{"title":"New","offer_id":45357377028409,"sku":"QO200","price":55.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/qo200_0a182f6f-aadc-493a-8ec0-fc3ba4763e15.jpg?v=1686734689"},{"product_id":"square-d-qo145-r","title":"Square D QO145 - 45A 1 Pole Miniature Circuit Breaker","description":"Manufactured for dependable power distribution, this 45A miniature breaker utilizes a proven thermal-magnetic trip unit to prevent overloads and short circuits. The highly visible red Visi-Trip flag alerts users instantly when the circuit trips, reducing troubleshooting time. It easily installs into any standard QO load center, as well as commercial NQ and NQOD panelboards. The plug-on connection ensures a tight, secure fit. 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