{"title":"Square D 50 Amp Circuit Breakers","description":"\u003cp\u003eBrowse over 200 Square D 50 amp breakers, including QO plug-on, QOB bolt-on, and F-frame molded case designs. This page covers 1-, 2-, and 3-pole types, including GFCI and GFEP miniature circuit breakers for various applications.\u003c\/p\u003e\u003ch3\u003eSeries on this page\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQO\u003c\/strong\u003e: plug-on miniature breakers for Square D QO load centers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQOB\u003c\/strong\u003e: the bolt-on version of the Square D QO breaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFA, FAL, FH\u003c\/strong\u003e: F-frame molded case breakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEDB, EGB\u003c\/strong\u003e: E-frame molded case breakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBDA, BGA\u003c\/strong\u003e: PowerPact B-frame molded case breakers.\u003c\/li\u003e\n\u003cli\u003eAlso on this page: QOU series.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePopular part numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-edb34050-50-amp\"\u003eEDB34050\u003c\/a\u003e: 50A, 3-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qob350-50-amp\"\u003eQOB350\u003c\/a\u003e: 50A, 3-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qou250-50-amp\"\u003eQOU250\u003c\/a\u003e: 50A, 2-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qob250-50-amp\"\u003eQOB250\u003c\/a\u003e: 50A, 2-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qo350-50-amp\"\u003eQO350\u003c\/a\u003e: 50A, 3-pole miniature circuit breaker\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to choose\u003c\/h3\u003e\u003cp\u003eIdentify the breaker series printed on your panel label. Next, match the required pole count and the 50 amp rating. If the circuit calls for GFCI or GFEP, choose that type. Confirm your panel and breaker type are compatible before ordering.\u003c\/p\u003e\u003ch3\u003eRelated categories\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/square-d-gfci-breakers\"\u003eSquare D GFCI Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/homeline-breakers\"\u003eSquare D Homeline Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/50-amp-gfci-breakers\"\u003e50 Amp GFCI Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/square-d\"\u003eSquare D\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/schneider-electric-square-d\"\u003eSchneider Electric \/ Square D\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"merlin-gerin-24439-10-amp","title":"Schneider Electric \/ Merlin Gerin 24439 - 50A 1 Pole Miniature Circuit Breaker","description":"Providing 50A of circuit protection, this single-pole miniature breaker is a key component of the Schneider Electric Multi 9 C60N lineup. It installs onto standard DIN rails, making it ideal for OEM control panels and commercial enclosures. This specific model has been superseded by the M9F22150 for newer installations. The breaker features a C-Curve trip characteristic and delivers a 10kA interrupting capacity at 240VAC, complete with positive contact indication.","brand":"Schneider Electric \/ Merlin Gerin","offers":[{"title":"New","offer_id":45353035759929,"sku":"24439","price":38.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/24439_4d750553-5faa-402e-a81c-a2aa04f160ec.jpg?v=1686652956"},{"product_id":"square-d-a1b250-r-50-amp","title":"Square D A1B250 - 50A 2 Pole Molded Case Circuit Breaker","description":"Providing reliable thermal-magnetic protection, this 50A molded case circuit breaker is built for demanding commercial and industrial applications. The two-pole unit safeguards electrical circuits against overloads and short circuits using fixed long-time and instantaneous trip functions. Installation is straightforward, as the breaker bolts firmly into compatible Square D NA1B panelboards.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45354036003129,"sku":"A1B250-R","price":362.31,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/a1b250-r_791235d2-7752-43de-8125-d7923a937045.jpg?v=1686673480"},{"product_id":"square-d-a1b350-r-50-amp","title":"Square D A1B350 - 50A 3 Pole Molded Case Circuit Breaker","description":"Part of the classic A1B series, this 50A molded case circuit breaker delivers reliable thermal-magnetic protection for commercial facilities. It operates on 240VAC systems and handles standard overcurrent events with a 10 kAIC rating. This breaker mounts into older Square D NA1B panelboards, making it an ideal solution for maintaining existing electrical systems. The long body design incorporates a Visi-Trip visual indicator to help electricians quickly spot tripped circuits.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45354039607609,"sku":"A1B350-R","price":348.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/A1B350-R.jpg?v=1686673515"},{"product_id":"square-d-ehb34050-3-pole-circuit-breaker","title":"Square D EHB34050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Part of the discontinued E-Frame series, this 50A three-pole breaker provides essential overcurrent protection for commercial and industrial electrical systems. It mounts into Square D NEHB panelboards using a secure bolt-on connection. While the EDB34050 is the modern substitute, that newer model requires an NF panelboard upgrade. This original unit maintains 65kAIC at 240V and 14kAIC at 480Y\/277V, featuring a Visi-Trip indicator for rapid fault identification.","brand":"Square D","offers":[{"title":"New","offer_id":45354401694009,"sku":"EHB34050","price":2614.9,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45354401726777,"sku":"EHB34050-R","price":1395.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/EHB34050-3-Pole-Molded-Case-Circuit-Breaker_Square-D_1.jpg?v=1775661076"},{"product_id":"square-d-ejb24050-2-pole-circuit-breaker","title":"Square D EJB24050 - 50A 2 Pole Miniature Circuit Breaker","description":"Designed for heavy-duty branch circuit protection, the Square D EJB24050 is a 50A, two-pole miniature breaker. It utilizes fixed thermal-magnetic trip technology to safeguard electrical systems operating at up to 480Y\/277VAC. This unit mounts into Square D NF panelboards, providing a solid bolt-on connection for reliable performance. It accepts 14-2\/0 AWG copper or 12-2\/0 AWG aluminum wiring. Boasting a 65kAIC rating at 480Y\/277V, this E-Frame breaker includes a Visi-Trip indicator.","brand":"Square D","offers":[{"title":"New","offer_id":45354411819321,"sku":"EJB24050","price":279.67,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45354411852089,"sku":"EJB24050-R","price":215.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/EJB24050-2-Pole-Circuit-Breaker_SquareD_1.jpg?v=1750343197"},{"product_id":"square-d-q1350vh-r-50-amp","title":"Square D Q1350VH - 50A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial and industrial applications, the Square D Q1350VH is a 3-pole, 50A molded case circuit breaker. It provides reliable thermal-magnetic protection for power distribution systems requiring a 240VAC rating. This plug-on MCCB installs into legacy Square D Q1 and NQO panelboards. As part of the older Q-Frame lineup, it serves as an exact fit for existing enclosures, though it has been officially replaced by the modern QO350VH for new installations.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45354993320249,"sku":"Q1350VH-R","price":220.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/Q1350VH-R_1_1c195f57-7b6e-446f-92c1-2311313a9c41.jpg?v=1686700213"},{"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-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":"schneider-electric-qom50vh-50-amp","title":"Schneider Electric QOM50VH - 50A 2 Pole Miniature Circuit Breaker","description":"Built for residential and commercial use, the Schneider Electric QOM50VH serves as a reliable 50A main circuit breaker. It provides primary power distribution and overcurrent protection for modern electrical systems. This two-pole, bolt-on breaker installs into Square D QO and Homeline load centers. The QOM1 frame accepts 4 AWG to 2\/0 AWG wire via standard box lugs. Rated at 22kAIC at 120\/240VAC, it features thermal-magnetic trip technology and a Visi-Trip indicator for rapid diagnostics.","brand":"Schneider Electric","offers":[{"title":"New","offer_id":45355146740025,"sku":"QOM50VH","price":127.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QOM50VH-2-Pole-Circuit-Breaker_SquareD_1.jpg?v=1770574118"},{"product_id":"square-d-989750-r-50-amp","title":"Square D 989750 - 50A 3 Pole Molded Case Circuit Breaker","description":"Delivering robust performance for commercial applications, the Square D 989750 is a 3-pole, 50A molded case circuit breaker. It features fixed thermal and magnetic trip elements to supply dependable long-time and instantaneous (LI) protection. This bolt-on breaker fits into legacy Square D ML-1 panelboards, making it ideal for maintaining older systems. Providing a 10 kAIC rating at 480VAC, this 99 frame breaker keeps existing infrastructure operational without extensive retrofitting.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356503236921,"sku":"989750-R","price":145.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/989750_a1600092-da14-46a3-9c62-180da4107f5a.jpg?v=1686720868"},{"product_id":"square-d-992350-r-50-amp","title":"Square D 992350 - 50A 3 Pole Molded Case Circuit Breaker","description":"Built for commercial and industrial power distribution, the Square D 992350 is a 3-pole, 50A molded case circuit breaker. It features standard long-time and instantaneous (LI) protection to defend against overloads and short circuits. This unit features a bolt-on mounting style designed specifically for legacy Square D ML panelboards. It provides facility managers with a reliable replacement option to maintain older 99 Series electrical systems. Delivering a 10kA interrupting rating at 240VAC.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356507234617,"sku":"992350-R","price":106.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/992350_3b1f90ee-7580-4c9b-97dd-50c01dbffa1b.jpg?v=1686720935"},{"product_id":"square-d-999250-r-50-amp","title":"Square D 999250 - 50A 2 Pole Molded Case Circuit Breaker","description":"Part of the legacy 999 series, this 50A molded case circuit breaker provides essential overcurrent protection for industrial facilities. It utilizes a unique design that places a 2-pole mechanism inside a 3-pole housing. This bolt-on breaker installs into Square D ML panelboards and compatible motor control centers. It features standard lug terminals for secure wire connections. Rated for 10kA at 600VAC, it includes fixed thermal and magnetic trip functions to defend against overloads.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356509069625,"sku":"999250-R","price":134.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/999250_29279f77-2fbc-4c8e-b86d-0282a72d6687.jpg?v=1686720973"},{"product_id":"square-d-999350-r-50-amp","title":"Square D 999350 - 50A 3 Pole Molded Case Circuit Breaker","description":"Part of the legacy 999 series, the Square D 999350 is a 3-pole molded case circuit breaker rated for 50 amps. It provides essential thermal-magnetic overcurrent protection for commercial and industrial facilities maintaining older infrastructure. This Type ML-1 breaker features a bolt-on mounting style, allowing it to install securely into Square D ML panelboards and motor control centers. It delivers a 10kAIC interrupting rating at 600VAC with fixed long-time and instantaneous functions.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356514345273,"sku":"999350-R","price":183.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/999350_fbf67a53-c508-4da9-b1a7-9776b37d53cf.jpg?v=1686721075"},{"product_id":"square-d-fy14050c-r-50-amp","title":"Square D FY14050C - 50A 1 Pole Molded Case Circuit Breaker","description":"Built for heavy-duty power distribution, this 50A Square D FY14050C circuit breaker provides essential long-time and instantaneous trip functions. It is a legacy F-frame component designed to maintain existing commercial and industrial electrical infrastructures. The breaker mounts into standard I-Line panelboards, offering a secure plug-on connection. Featuring a phase C connection and a 14 kAIC interrupt rating at 277VAC, it is fully HACR rated and includes a visual trip indicator.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356836946233,"sku":"FY14050C-R","price":43.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/FY14050C-R_e3121ac6-befa-4cb7-bf4b-84733b10c0ab.jpg?v=1686727266"},{"product_id":"square-d-ehb14050-r-50-amp","title":"Square D EHB14050 - 50A 1 Pole Molded Case Circuit Breaker","description":"Part of Square D's discontinued E-Frame series, this 1-pole 50A molded case circuit breaker is engineered for 120\/277VAC commercial systems. It features a bolt-on connection designed strictly for legacy NEHB panelboards. The modern EDB14050 replacement requires an upgrade to an NF panelboard and will not fit NEHB enclosures. This unit provides reliable thermal-magnetic protection with a 14kA interrupting rating at 277V and includes a Visi-Trip indicator.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356988465465,"sku":"EHB14050-R","price":450.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/EHB14050-1-Pole-Molded-Case-Circuit-Breaker_SquareD_1.jpg?v=1779301759"},{"product_id":"square-d-fa14050a-50-amp","title":"Square D FA14050A - 50A 1 Pole Molded Case Circuit Breaker","description":"A proven solution for commercial facilities, the Square D FA14050A delivers 50A of thermal-magnetic protection. It features a Visi-Trip window to easily identify tripped circuits in busy electrical rooms. This model installs into Square D I-Line panelboards via Phase A jaws. Facilities looking to modernize can replace this legacy component with the PowerPacT BDA140501. The breaker is rated 18 kAIC at 277VAC and 25 kAIC at 120VAC, providing fixed LI protection and HACR certification.","brand":"Square D","offers":[{"title":"New","offer_id":45357031457081,"sku":"FA14050A","price":229.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/fa14050a_ccb412e5-89d5-48df-b76e-918514a0bab1.jpg?v=1686730968"},{"product_id":"square-d-fda34050-r-50-amp","title":"Square D FDA34050 - 50A 3 Pole Molded Case Circuit Breaker","description":"The Square D FDA34050 is a 3-pole, 50A molded case circuit breaker engineered for commercial environments. Belonging to the legacy F-Frame series, it delivers reliable thermal-magnetic protection. Designed for Square D I-Line panelboards, this breaker features a plug-on mounting style. It is an ideal maintenance replacement for older panels, with the HDA36050 serving as the modern equivalent. Featuring an 18 kAIC rating at 480VAC, it includes fixed LI trip functions and a Visi-Trip indicator.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45357107052857,"sku":"FDA34050-R","price":451.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/FDA34050-3-Pole-Circuit-Breaker_SquareD_1.jpg?v=1750184670"},{"product_id":"square-d-fga34050-3-pole-circuit-breaker","title":"Square D FGA34050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Designed for heavy-duty power distribution, the FGA34050 is a 3-pole, 50A molded case circuit breaker. It features thermal-magnetic trip units providing fixed long-time and instantaneous (LI) protection for commercial systems. This model plugs into Square D I-Line panelboards. When replacing this unit with the newer HGA36050, be aware that the H-Frame substitute requires 4.5 inches of mounting space compared to the 3-inch width of this F-Frame breaker.","brand":"Square D","offers":[{"title":"New","offer_id":45357147455801,"sku":"FGA34050","price":1178.18,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45357147488569,"sku":"FGA34050-R","price":548.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/fga34050_a33298f0-d33f-49c8-8f75-cbf0e5c80c62.jpg?v=1686732115"},{"product_id":"square-d-hla36050-50-amp","title":"Square D HLA36050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Designed for commercial facilities, the Square D HLA36050 is a 3-pole, 50A molded case circuit breaker from the PowerPacT H-Frame series. It utilizes fixed thermal and magnetic trip elements to provide reliable LI protection. The device installs into Square D I-Line panelboards and switchboards via a plug-on connection. It comes equipped with load side lugs accepting 14-3\/0 AWG conductors and can be used as a substitute for the HRA36050.","brand":"Square D","offers":[{"title":"New","offer_id":45357493322041,"sku":"HLA36050","price":1885.0,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":51224501322041,"sku":"HLA36050-R","price":981.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/HJA36050-3-Pole-Circuit-Breaker_SquareD_1_2dacd414-7b69-48b6-a6f4-b573c5e68b5d.jpg?v=1778185176"},{"product_id":"square-d-q1250-r","title":"Square D Q1250 - 50A 2 Pole Molded Case Circuit Breaker","description":"Engineered for legacy power distribution, the Square D Q1250 is a 50A, two-pole molded case circuit breaker. It delivers reliable thermal-magnetic protection for residential and commercial branch circuits requiring a 240VAC rating. This plug-on breaker mounts into older Square D Q1 load centers and NQO panelboards. For modern upgrades, this frame has been replaced by the QO250 model. Rated at 10kAIC, it features standard LI protection, a Visi-Trip indicator, and is HACR rated for HVAC use.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45357726400825,"sku":"Q1250-R","price":116.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/q1250-r_11e35ece-a4c1-46e4-b7f2-5cec664ac3b2.jpg?v=1686742973"},{"product_id":"square-d-qo250epd-50-amp","title":"Square D QO250EPD - 50A GFEP Miniature Circuit Breaker","description":"Built for equipment-level safety, the QO250EPD provides 30mA ground fault protection for commercial applications. This 50A, two-pole component prevents damage to machinery by detecting low-level electrical leakage. Installation utilizes a standard plug-on mounting design. The unit fits seamlessly into Square D QO load centers, NQ panelboards, and Speed-D switchboards. Featuring the signature Visi-Trip indicator, users can quickly identify tripped circuits without guessing.","brand":"Square D","offers":[{"title":"New","offer_id":45357805470009,"sku":"QO250EPD","price":420.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO250EPD-2-Pole-Circuit-Breaker_SquareD_1.jpg?v=1751390757"},{"product_id":"square-d-qo250vh-50-amp","title":"Square D QO250VH - 50A 2 Pole Miniature Circuit Breaker","description":"Delivering enhanced fault protection, the Square D QO250VH is a 50-amp, two-pole breaker for 120\/240V systems. It is well-suited for commercial and industrial applications requiring robust overcurrent defense. This unit snaps into Square D QO load centers and NQ panelboards using a standard plug-on connection. It accommodates 8 to 2 AWG aluminum or copper wire. With a high 22 kAIC rating, it safely clears severe short circuits. It includes the signature Visi-Trip indicator and is HACR rated.","brand":"Square D","offers":[{"title":"New","offer_id":45357806453049,"sku":"QO250VH","price":96.6,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":48060846178617,"sku":"QO250VH-R","price":82.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QO250VH-2-Pole-Circuit-Breaker_SquareD_1.jpg?v=1768413551"},{"product_id":"square-d-if36050-r","title":"Square D IF36050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Built to handle severe fault conditions, this 50-amp, 3-phase MCCB delivers reliable long-time and instantaneous trip functions. It serves as a critical safety component in commercial and industrial power distribution networks. Designed exclusively for Square D I-Line panelboards, the breaker utilizes a secure plug-on mounting style. Facilities looking to update their infrastructure can use the HRA36050 as a designated substitute.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45357896040761,"sku":"IF36050-R","price":675.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/if36050-r_6d4adc34-03b9-4e71-9789-2140e3dd5c50.jpg?v=1686746330"},{"product_id":"square-d-q1b350-r","title":"Square D Q1B350 - 50A 3 Pole Molded Case Circuit Breaker","description":"Built for commercial power distribution, this 50A molded case circuit breaker delivers dependable thermal-magnetic trip functions. It handles standard overloads in 240VAC systems. Designed for bolt-on installation, this breaker fits into Square D NQOB panelboards. For upgrades, it is replaced by the QOB350 when utilizing the SK5668 mounting assembly. Rated for 10kAIC, the unit features a Visi-Trip indicator to easily spot tripped circuits. It accommodates #8-2 AWG wiring.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45357956104505,"sku":"Q1B350-R","price":351.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/Q1B350.jpg?v=1710849465"},{"product_id":"square-d-fa34050-1121-r","title":"Square D FA34050-1121 - 50A 3 Pole Molded Case Circuit Breaker","description":"Utilizing a robust F-frame construction, this 50-amp device provides overcurrent protection alongside a built-in 120VAC undervoltage release. Designed for Square D I-Line panelboards, the breaker utilizes a secure plug-on mounting system. It can be replaced by the newer BDA34050 model. 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