{"title":"BQ Series Circuit Breakers","description":"\u003ch2\u003eBQ Series Circuit Breakers\u003c\/h2\u003e\u003cp\u003eShop BQ 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":"cutler-hammer-bq215215-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ215215 - 15\/15A Quadplex Miniature Circuit Breaker","description":"Built for high-density applications, the Eaton BQ215215 quadplex breaker provides four 15A poles within a compact two-pole space. This design expands capacity without upgrading the panelboard. The breaker installs into Eaton BR load centers and serves as a substitute for BRD215215. It is also compatible with older Bryant, Challenger, and Westinghouse panels. Delivering a 10kAIC rating at 120\/240V, this thermal-magnetic device utilizes independent trip mechanisms and is HACR rated.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354182345017,"sku":"BQ215215","price":71.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ215215-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569803"},{"product_id":"cutler-hammer-bq215215-r-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ215215 - 15\/15A Quadplex Miniature Circuit Breaker","description":"The Eaton BQ215215 is a space-saving quadplex breaker for residential and commercial use. Combining four 15A poles into a two-inch footprint allows installers to add circuits without a larger enclosure. This plug-on unit mounts into Eaton BR load centers, plus legacy Bryant, Westinghouse, and Challenger panels. It includes a rejection tab for fitment in notched bus bars. Rated 10kAIC at 120\/240V, this thermal-magnetic breaker features independent trip technology and is HACR rated.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354182738233,"sku":"BQ215215-R","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/bq-215-215-r_2db6aaed-b5f9-4a15-96c2-431dbf181bd0.jpg?v=1686677578"},{"product_id":"cutler-hammer-bq220240-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ220240 - 20\/40A Quadplex Miniature Circuit Breaker","description":"Engineered for space-saving efficiency, the Eaton BQ220240 quadplex miniature circuit breaker delivers four poles of protection in a compact form factor. It combines a 2-pole 40A center circuit and a 2-pole 20A outer circuit for residential setups. This plug-on breaker installs into standard Eaton Type BR load centers, requiring only two 1-inch panel spaces. Rated for 10 kAIC at 120\/240VAC, it features thermal-magnetic protection and an independent trip mechanism for precise fault isolation.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354183328057,"sku":"BQ220240","price":71.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ220240-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569749"},{"product_id":"cutler-hammer-bq220240-r-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ220240 - 20\/40A Quadplex Miniature Circuit Breaker","description":"Engineered for space-constrained installations, the Eaton BQ220240 quadplex breaker provides two independent 240V circuits. It features a 20A outer two-pole and a 40A center two-pole configuration. This plug-on breaker mounts into standard Type BR load centers, requiring only two 1-inch panel spaces. It is fully compatible with Cutler-Hammer and Eaton BR series enclosures. Rated at 10kAIC, it utilizes thermal-magnetic trip technology for reliable protection and includes a rejection tab.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354183622969,"sku":"BQ220240-R","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/bq-220-240-r_30bbcd24-75ed-4b9e-bca5-af82ddb95e0c.jpg?v=1686677603"},{"product_id":"cutler-hammer-bq220250-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ220250 - 20\/50A Quadplex Miniature Circuit Breaker","description":"Part of the BR family, the Eaton BQ220250 quadplex miniature circuit breaker optimizes panel space by integrating a 50A 2-pole inner circuit and a 20A 2-pole outer circuit. This configuration effectively doubles circuit density. The device is designed for plug-on installation into Eaton Type BR load centers, taking up only two 1-inch spaces and accommodating 14-4 AWG wiring. With a 10 kAIC rating at 120\/240VAC, this thermal-magnetic breaker provides reliable independent trip protection.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354184474937,"sku":"BQ220250","price":71.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ220250-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569677"},{"product_id":"cutler-hammer-bq220250-r-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ220250 - 20\/50A Quadplex Miniature Circuit Breaker","description":"Built for high-density applications, the Eaton BQ220250 quadplex breaker provides four poles of protection. It features a 2-pole 50A center circuit and a 2-pole 20A outer circuit to maximize available panel space. This plug-on unit mounts into Eaton Type BR load centers, occupying just two standard 1-inch spaces. It accepts 14-4 AWG wire and includes a rejection tab. Delivering a 10 kAIC rating at 120\/240VAC, it uses thermal-magnetic technology to defend against overloads and short circuits.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354184769849,"sku":"BQ220250-R","price":33.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/bq-220-250-r_fc5cdefd-3ea2-4f54-9b2f-db5ab7fe3537.jpg?v=1686677627"},{"product_id":"cutler-hammer-bq230230-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ230230 - 30\/30A Quadplex Miniature Circuit Breaker","description":"Engineered for space-constrained applications, the Eaton BQ230230 is a 30\/30A quadplex breaker providing two distinct 240V circuits. It requires only two 1-inch panel spaces, making it ideal for expanding residential electrical systems. This plug-on breaker mounts into Eaton Type BR load centers. It includes a rejection tab to ensure proper installation in CTL-rated panels and accepts #14-4 AWG wiring. The thermal-magnetic unit features a 10 kAIC rating and independent trip mechanisms.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354185163065,"sku":"BQ230230","price":60.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ230230-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569616"},{"product_id":"cutler-hammer-bq230230-r-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ230230 - 30\/30A Quadplex Miniature Circuit Breaker","description":"Built to maximize panel density, the Eaton BQ230230 quadplex breaker delivers two independent 30A, 240V circuits. It fits four poles of thermal-magnetic protection into just two standard 1-inch spaces. The plug-on unit installs into Eaton Type BR load centers and features a rejection tab for CTL compliance. It accepts #14-4 AWG wire and is suitable for residential or commercial applications. This 10 kAIC rated breaker provides reliable independent trip functionality for both 30A circuits.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354185425209,"sku":"BQ230230-R","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/bq-230-230-r_2_6efa8f4d-3395-41a5-97bc-4d609f246b97.jpg?v=1686677652"},{"product_id":"cutler-hammer-bq240250-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ240250 - 40\/50A Quadplex Miniature Circuit Breaker","description":"Delivering space-saving power distribution, this Eaton quadplex miniature circuit breaker provides both 40A and 50A protection in a single unit. It is engineered for residential and commercial applications requiring multiple 240V circuits. The plug-on design installs into Eaton BR, Bryant, Challenger, and Westinghouse load centers. It occupies only two panel spaces while delivering four poles of capacity. Rated for 10kAIC at 120\/240VAC, it features independent trip and HACR certification.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354186408249,"sku":"BQ240250","price":80.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ240250-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569558"},{"product_id":"cutler-hammer-bq240250-r-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ240250 - 40\/50A Quadplex Miniature Circuit Breaker","description":"Designed to optimize panel capacity, this 40\/50A quadplex breaker provides one 2-pole 40A circuit and one 2-pole 50A circuit within a standard two-space footprint. It serves as an excellent space-saving solution for residential and commercial applications. The plug-on configuration is fully compatible with Eaton BR, Bryant, Challenger, and Westinghouse load centers. It features an independent trip mechanism, a 10kAIC interrupt rating, and a rejection tab for proper installation.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354186932537,"sku":"BQ240250-R","price":16.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/BQ240250_1_66d43b20-da16-4c3d-9c6a-93b6e39dda39.jpg?v=1686677677"},{"product_id":"cutler-hammer-bq250250-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ250250 - 50\/50A Quadplex Miniature Circuit Breaker","description":"The BQ250250 is a quadplex miniature circuit breaker from Eaton's BR family, providing two separate 50A, 240V circuits while occupying just two standard panel spaces. This configuration is ideal for residential applications where panel capacity is limited. Engineered for plug-on installation, it fits Eaton Type BR, Bryant, Westinghouse, and Challenger load centers. Rated for 10 kAIC at 120\/240VAC, it features independent trip mechanisms and is fully HACR rated for HVAC equipment.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354187587897,"sku":"BQ250250","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ250250-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569505"},{"product_id":"cutler-hammer-bq250250-r-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ250250 - 50\/50A Quadplex Miniature Circuit Breaker","description":"Part of the Cutler-Hammer BR series by Eaton, the BQ250250 is a quadplex breaker that provides two independent 50A two-pole circuits while occupying just two 1-inch spaces. This space-saving design is ideal for adding high-draw 240V loads to crowded panels. It installs into Eaton BR, Bryant, Westinghouse, and Challenger load centers that accept Class CTL breakers. Rated for 10 kAIC at 120\/240VAC, it includes a rejection tab and independent trip mechanisms for reliable protection.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354187784505,"sku":"BQ250250-R","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/br-250-250-r_c9ff3b7e-2ade-4964-91d3-1860c971b65f.jpg?v=1686677702"},{"product_id":"siemens-bq2b020qx-20-amp","title":"Siemens \/ ITE BQ2B020QX - 20A 2 Pole Molded Case Circuit Breaker","description":"Part of the BQ family, this 20-amp molded case circuit breaker provides robust overcurrent protection for commercial environments. The common trip mechanism ensures both poles open simultaneously during a fault. Engineered for compatibility, it mounts into Siemens P1, P2, and P3 panelboards using a dependable bolt-on connection. This model serves as a substitute for the standard BQ2B020, offering an exact fit.","brand":"Siemens \/ ITE","offers":[{"title":"New","offer_id":45354188308793,"sku":"BQ2B020QX","price":20.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/BQ2B020QX_395518a5-b622-45fb-bad3-a82de8927313.jpg?v=1686677715"},{"product_id":"siemens-bq3b100-01-100-amp","title":"Siemens BQ3B100-01 - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed for advanced monitoring needs, the Siemens BQ3B100-01 is a 100-amp, 3-pole molded case circuit breaker. It includes a factory-installed auxiliary switch that allows facility managers to track breaker status remotely. This unit mounts into standard Siemens panelboards using a reliable bolt-on connection. As a direct replacement for the standard BQ3B100, it upgrades existing setups with signaling capabilities. It delivers 10 kAIC of short-circuit protection at 240VAC.","brand":"Siemens","offers":[{"title":"New","offer_id":45354188833081,"sku":"BQ3B100-01","price":148.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/BQ3B100-01_cda11c7c-e12f-4517-8fd4-1b64718c2896.jpg?v=1686677727"},{"product_id":"siemens-bq1b02000s01-20-amp","title":"Siemens BQ1B02000S01 - 20A 1 Pole Molded Case Circuit Breaker","description":"Built for specialized control applications, the BQ1B02000S01 is a 1-pole, 20A breaker featuring a factory-installed 120VAC shunt trip. This allows the unit to be tripped remotely via an external voltage signal for safety interlocks. Designed for bolt-on installation, this breaker fits seamlessly into Siemens P1, P2, and P3 panelboards. It utilizes standard load side lugs that accommodate 14-6 AWG copper or 12-6 AWG aluminum conductors.","brand":"Siemens","offers":[{"title":"New","offer_id":45356787630393,"sku":"BQ1B02000S01","price":232.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/bq1b02000s01_1e43ff84-751b-46a8-98c8-36403d8b4e97.jpg?v=1686726488"},{"product_id":"eaton-cutler-hammer-bq230240-2-pole-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ230240 - 30\/40A Quadplex Miniature Circuit Breaker","description":"Built to maximize available panel space, the Eaton BQ230240 is a 30\/40A quadplex breaker. By combining two 30A and two 40A independent circuits into a single unit, it allows for system expansion without the need for a larger electrical box. This plug-on breaker installs into Eaton BR, Bryant, Challenger, and Westinghouse load centers. It occupies two standard 1-inch spaces and features a CTL rejection tab. It delivers reliable thermal-magnetic protection with a 10 kAIC rating at 120\/240V.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45356792480057,"sku":"BQ230240","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45356792512825,"sku":"BQ230240-R","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ230240-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569455"},{"product_id":"eaton-cutler-hammer-bq230250-quad-circuit-breaker","title":"Eaton \/ Cutler-Hammer BQ230250 - 30\/50A Quadplex Miniature Circuit Breaker","description":"Built for residential use, the Eaton BQ230250 is a thermal-magnetic quadplex breaker. It provides two 30A outer circuits and one 50A two-pole center circuit to maximize panel space. This unit installs into Eaton Type BR load centers. It utilizes a plug-on mounting style and includes a CTL rejection tab to ensure proper placement. Rated for 10kAIC at 120\/240VAC, it features an independent trip design, ensuring a fault on one circuit will not trip the others.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45356793463097,"sku":"BQ230250","price":60.98,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45356793495865,"sku":"BQ230250-R","price":29.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ230250-Quadplex-Miniature-Circuit-Breaker_Eaton-Cutler-Hammer_2.jpg?v=1777569388"},{"product_id":"siemens-bq2b015qx-15-amp","title":"Siemens BQ2B015QX - 15A 2 Pole Molded Case Circuit Breaker","description":"Designed to streamline commercial installations, the Siemens BQ2B015QX features load-side quick connect terminals for faster wiring. 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It provides an excellent upgrade or replacement for standard BAB3020 and THQB32020 configurations requiring remote disconnects. Rated for 10kA at 240VAC, the thermal-magnetic unit ensures dependable commercial power distribution.","brand":"Siemens","offers":[{"title":"New","offer_id":45356799918393,"sku":"BQ3B02000S01","price":420.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ3B02000S01_1.jpg?v=1782413990"},{"product_id":"siemens-bq3b06000s01-60-amp","title":"Siemens BQ3B06000S01 - 60A 3 Pole Molded Case Circuit Breaker","description":"Designed for advanced control, the Siemens BQ3B06000S01 is a 3-pole, 60A molded case circuit breaker with a factory-installed 120VAC shunt trip. This bolt-on breaker is engineered to fit Siemens P1, P2, and P3 commercial panelboards. It also serves as a substitute for the THQB32060ST1. Delivering 10 kAIC of protection at 240VAC, the unit utilizes fixed thermal-magnetic trip technology. It is HACR rated and accepts 8-1 AWG copper wire.","brand":"Siemens","offers":[{"title":"New","offer_id":45356801196345,"sku":"BQ3B06000S01","price":352.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ3B06000S01_1.jpg?v=1782415239"},{"product_id":"siemens-bq3b080-01-80-amp","title":"Siemens BQ3B080-01 - 80A 3 Pole Molded Case Circuit Breaker","description":"The BQ3B080-01 is a 3-pole molded case circuit breaker from Siemens, delivering 80 amps of reliable overcurrent protection for commercial and industrial electrical systems. It features a standard 10kAIC interrupting rating at 240VAC and utilizes proven thermal-magnetic trip technology. Designed with a secure bolt-on mounting style, this breaker installs easily into Siemens P1 panelboards as well as legacy ITE enclosures. It serves as a direct replacement for standard BQ3B080 units.","brand":"Siemens","offers":[{"title":"New","offer_id":45356801425721,"sku":"BQ3B080-01","price":148.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/bq3b080-01_c7fa0108-6c70-47ca-8d2f-3ffce3808301.jpg?v=1686726813"},{"product_id":"siemens-bq3b10000s01-100-amp","title":"Siemens BQ3B10000S01 - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed for three-phase industrial applications, this 100A MCCB provides reliable protection. It features an integrated 120VAC shunt trip, allowing users to remotely open the breaker. The three-pole device mounts into Siemens P1, P2, P3, and legacy ITE panelboards. It offers a secure bolt-on connection and serves as a substitute for BAB3100 and THQB32100. 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Featuring a standard HACR rating, the device safely manages electrical loads for heavy-duty heating, cooling, and refrigeration equipment.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45357806944569,"sku":"BQ1B035-R","price":9.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ1B035-1-Pole-Circuit-Breaker_Siemens_1.jpg?v=1772124476"},{"product_id":"challenger-bq1c015-r","title":"Eaton \/ Challenger BQ1C015 - 15A 1 Pole Molded Case Circuit Breaker","description":"Restoring older electrical systems requires precise components. This 15-amp thermal-magnetic device delivers reliable overcurrent protection, maintaining the original specifications of classic commercial installations. The unit bolts into vintage Challenger, Westinghouse, and Eaton BAB panelboards. It serves as a perfect match for existing setups, cross-referencing to the modern BAB1015 substitute. 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