{"title":"Square D 20 Amp Circuit Breakers","description":"\u003cp\u003eThis collection contains over 350 Square D 20 amp breaker products, including QO, QOB, and Homeline series. It covers 1-, 2-, 3-, and 4-pole molded case and miniature types with AFCI, GFCI, GFEP, and dual function models.\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\u003eHomeline (HOM)\u003c\/strong\u003e: plug-on breakers for Homeline load centers; not interchangeable with QO.\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\u003eBDA, BGA\u003c\/strong\u003e: PowerPact B-frame molded case breakers.\u003c\/li\u003e\n\u003cli\u003eAlso on this page: QOU and EHB 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-qob120-1-pole-circuit-breaker\"\u003eQOB120\u003c\/a\u003e: 20A, 1-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qo120-1-pole-circuit-breaker\"\u003eQO120\u003c\/a\u003e: 20A, 1-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qob220-20-amp\"\u003eQOB220\u003c\/a\u003e: 20A, 2-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-edb34020-20-amp\"\u003eEDB34020\u003c\/a\u003e: 20A, 3-pole molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qo120gfi-ground-fault\"\u003eQO120GFI\u003c\/a\u003e: 20A GFCI miniature circuit breaker\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to choose\u003c\/h3\u003e\u003cp\u003eStart with the breaker series printed on the panel label; Homeline and QO breakers are not interchangeable. Next, match the 1-, 2-, 3-, or 4-pole count and the 20 amp rating. For specialized circuits, select the AFCI, GFCI, GFEP, or dual function 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\/square-d-tandem-breakers\"\u003eSquare D Tandem Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/20-amp-gfci-breakers\"\u003e20 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\u003c\/ul\u003e","products":[{"product_id":"square-d-989320-r-20-amp","title":"Square D 989320 - 20A 3 Pole Miniature Circuit Breaker","description":"Built for commercial and industrial applications, the 989320 delivers reliable thermal-magnetic protection. This 3-pole, 20-amp miniature circuit breaker is designed for OEM enclosures and control panels. It easily installs onto standard DIN rails and features a screw\/clamp terminal design for secure connections. Rated for 10 kAIC at 240VAC and 5 kAIC at 480Y\/277VAC, it includes positive break indication and is HACR rated. Note: This unit is replaced by the M9F22320.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45353937731897,"sku":"989320-R","price":145.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/989320-R_a42f2082-8396-4e87-9f70-169857b5d559.jpg?v=1686672706"},{"product_id":"square-d-a1b120-r-20-amp","title":"Square D A1B120 - 20A 1 Pole Molded Case Circuit Breaker","description":"Engineered for older distribution systems, the Square D A1B120 is a 20-amp, single-pole molded case circuit breaker. It is specifically built to mount into legacy NA1B panelboards, providing a reliable solution for maintaining vintage commercial and industrial infrastructure. The breaker delivers standard 10 kAIC interrupting capacity at 120VAC and includes Visi-Trip technology for immediate fault recognition.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45354031939897,"sku":"A1B120-R","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/a1b120-r_1.jpg?v=1686673448"},{"product_id":"schneider-electric-ecb14020g3-20-amp","title":"Schneider Electric ECB14020G3 - 20A 1 Pole Miniature Circuit Breaker","description":"Part of the Powerlink G3 family, this 20-amp, single-pole circuit breaker provides automated switching and overcurrent protection for commercial lighting applications. It mounts into Schneider Electric NF panelboards and integrates seamlessly with Powerlink lighting control systems. The motorized mechanism operates via a 24VDC signal for remote control, while the thermal-magnetic trip unit ensures reliable performance. It is HACR and HID rated for specialized loads.","brand":"Schneider Electric","offers":[{"title":"New","offer_id":45354367811897,"sku":"ECB14020G3","price":232.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ecb14020g3.jpg?v=1686681164"},{"product_id":"square-d-edb14020epd-20-amp","title":"Square D EDB14020EPD - 20A GFEP Miniature Circuit Breaker","description":"Part of the E-Frame family, this 20-amp GFEP breaker is built to prevent equipment damage by detecting 30mA ground faults. It mounts into Square D NF panelboards via a sturdy bolt-on configuration, making it ideal for demanding industrial environments. Unlike standard 5mA personnel GFCIs, this unit prevents nuisance tripping on heavy machinery. It includes a Visi-Trip visual indicator and carries an 18kAIC rating at 277VAC for robust short-circuit defense.","brand":"Square D","offers":[{"title":"New","offer_id":45354370171193,"sku":"EDB14020EPD","price":571.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/EDB14020EPD1PoleCircuitBreaker_SquareD-01.jpg?v=1720016451"},{"product_id":"square-d-ejb14020-20-amp","title":"Square D EJB14020 - 20A 1 Pole Miniature Circuit Breaker","description":"The Square D EJB14020 is a 20-amp, single-pole miniature circuit breaker designed for commercial power systems. It offers dependable thermal-magnetic protection against overloads. This E-Frame breaker installs into Square D NF panelboards using a sturdy bolt-on configuration. The included lugs accept 14-6 AWG copper or 12-6 AWG aluminum wiring. Rated 100 kAIC at 120V and 65 kAIC at 277V, it handles high fault currents. The unit includes the Visi-Trip indicator and is HACR, HID, and SWD rated.","brand":"Square D","offers":[{"title":"New","offer_id":45354410344761,"sku":"EJB14020","price":117.99,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":46445632880953,"sku":"EJB14020-R","price":43.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/EJB14020_1.jpg?v=1785342380"},{"product_id":"square-d-fa14020a-20-amp","title":"Square D FA14020A - 20A 1 Pole Molded Case Circuit Breaker","description":"The FA14020A is a 1-pole, 20A molded case circuit breaker from Square D. Built for commercial use, this legacy F-Frame unit delivers reliable overcurrent protection. Designed for Square D I-Line panelboards, it utilizes a plug-on mounting style for efficient setup. This model is officially replaced by the BDA140201 for modern upgrades. Rated at 18 kAIC at 277VAC, it features fixed thermal-magnetic trip functions, a Visi-Trip indicator, and a factory-configured Phase A connection.","brand":"Square D","offers":[{"title":"New","offer_id":45354414047545,"sku":"FA14020A","price":258.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/FA14020A_1_a089eb2d-4b18-4038-b909-8005267f17f9.jpg?v=1686681856"},{"product_id":"square-d-fga34020-3-pole-circuit-breaker","title":"Square D FGA34020 - 20A 3 Pole Molded Case Circuit Breaker","description":"Built to accommodate older switchgear, this legacy F-Frame MCCB utilizes Visi-Trip technology for rapid fault identification. Designed specifically for Square D I-Line panelboards requiring a narrow 3-inch mounting footprint. It provides 65kAIC protection at 240VAC and 35kAIC at 480Y\/277VAC via fixed thermal-magnetic LI functions. Maintaining the original FGA form factor is crucial for older setups, as the modern HGA36020 replacement requires an expanded 4.5-inch space within the enclosure.","brand":"Square D","offers":[{"title":"New","offer_id":45354424992057,"sku":"FGA34020","price":1392.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45354425024825,"sku":"FGA34020-R","price":479.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/FGA34020-R.jpg?v=1686682228"},{"product_id":"square-d-fhp36020-20-amp","title":"Schneider Electric FHP36020 - 20A 3 Pole Molded Case Circuit Breaker","description":"Engineered for industrial applications, the Schneider Electric FHP36020 is a 3-pole, 20A molded case circuit breaker from the legacy F-frame family. It provides dependable long-time and instantaneous trip functions for commercial electrical systems. This unit mount breaker installs into Square D motor control centers and switchboards. As a discontinued model, it is commonly replaced by the PowerPact HJP36020. It features a 65kAIC rating at 240VAC and includes load side lugs.","brand":"Schneider Electric","offers":[{"title":"New","offer_id":45354438295865,"sku":"FHP36020","price":981.82,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":47776559006009,"sku":"FHP36020-R","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/fhp36020_5f12551f-5c1e-4976-a2a3-ef700bfc5ca8.jpg?v=1686682850"},{"product_id":"square-d-hla36020-3-pole-circuit-breaker","title":"Square D HLA36020 - 20A 3 Pole Molded Case Circuit Breaker","description":"Operating within the PowerPacT H-Frame family, the Square D HLA36020 is a 20A, 3-pole molded case circuit breaker. It offers fixed thermal and adjustable magnetic trip settings for precise LI protection. This unit utilizes an I-Line mounting style for efficient installation into Square D panelboards and switchboards. It serves as a substitute for legacy HRA36020 breakers. Delivering 100 kAIC at 480VAC, this current-limiting breaker ensures maximum safety and features a visual trip indicator.","brand":"Square D","offers":[{"title":"New","offer_id":45354590142777,"sku":"HLA36020","price":1885.0,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45354590175545,"sku":"HLA36020-R","price":760.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/HJA36020-3-Pole-Circuit-Breaker_SquareD_1_35ef4e83-0a70-4e0d-b614-554398af18b4.jpg?v=1778183454"},{"product_id":"square-d-hom120pcafi-arc-fault","title":"Square D HOM120PCAFI - 20A AFCI Miniature Circuit Breaker","description":"Built to streamline residential wiring, this 20A single-pole combination arc-fault breaker features a plug-on neutral design. It mounts exclusively into Square D Homeline Plug-On Neutral load centers, eliminating the need for a separate pigtail connection to the neutral bar. This configuration saves gutter space and reduces installation time while meeting strict NEC arc-fault mandates. Integrated Time-Saver Diagnostics assist in identifying the cause of a fault upon tripping.","brand":"Square D","offers":[{"title":"New","offer_id":45354607149369,"sku":"HOM120PCAFI","price":51.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/HOM120PCAFI-1-Pole-Circuit-Breaker-Arc-Fault_SquareD_1.jpg?v=1754401922"},{"product_id":"square-d-mg24435-20-amp","title":"Square D MG24435 - 20A 1 Pole Miniature Circuit Breaker","description":"Part of the legacy Multi9 C60N series, this 20A single-pole component delivers reliable current-limiting protection for industrial control panels. It installs onto standard 35mm DIN rail systems and serves as a predecessor to the newer M9F22120 model. Featuring a C-curve thermal-magnetic trip mechanism, it handles up to 10kA interrupting capacity at 240VAC. The padlockable design includes positive contact indication for enhanced safety during routine maintenance.","brand":"Square D","offers":[{"title":"New","offer_id":45354848715065,"sku":"MG24435","price":49.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/MG24435_8611f533-ae63-4798-82f0-42efbfd80076.jpg?v=1686697212"},{"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\/products\/QO120EPD_e7e562ce-3079-4371-8776-f3c1207057bf.jpg?v=1686700831"},{"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-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-qob120cafi-20-amp","title":"Square D QOB120CAFI - 20A AFCI Miniature Circuit Breaker","description":"Providing advanced combination arc-fault detection, this 20-amp single-pole breaker safeguards against both parallel and series arcing events. It fastens securely into Square D NQ and NQOD panelboards via a reliable bolt-on connection and includes a standard pigtail neutral wire. Rated for 10kAIC at 120VAC, the unit features the highly visible Visi-Trip indicator to quickly identify tripped circuits during maintenance or troubleshooting in commercial and residential environments.","brand":"Square D","offers":[{"title":"New","offer_id":45355121869113,"sku":"QOB120CAFI","price":203.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QOB120CAFI_1_0f8ffa6c-61c3-4b05-92d5-d12b0fca968c.jpg?v=1686702046"},{"product_id":"square-d-qob120epd-20-amp","title":"Square D QOB120EPD - 20A GFEP Miniature Circuit Breaker","description":"Part of the QO family, this 20A, 1-pole GFEP breaker delivers specialized 30mA ground fault protection. It is engineered for commercial applications where equipment-level safety is required, such as outdoor machinery. The QOB120EPD features a bolt-on design for Square D NQ and NQOD panelboards. It includes pressure plate terminals and a pigtail neutral. Delivering a 10kAIC rating at 120VAC, it combines thermal-magnetic defense with Class B ground fault detection and a Visi-Trip indicator.","brand":"Square D","offers":[{"title":"New","offer_id":45355124064569,"sku":"QOB120EPD","price":159.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QOB120EPD-1-Pole-Circuit-Breaker_SquareD_1.jpg?v=1739987617"},{"product_id":"square-d-qob120pl-20-amp","title":"Square D QOB120PL - 20A 1 Pole Miniature Circuit Breaker","description":"Integrating remote switching capabilities with standard overcurrent protection, this 20A single-pole breaker is essential for automated facility management. It installs exclusively into Square D Powerlink panelboards, utilizing a secure bolt-on connection for commercial environments. The internal mechanism allows facility managers to program and control lighting zones remotely, while the traditional thermal-magnetic elements provide reliable safety.","brand":"Square D","offers":[{"title":"New","offer_id":45355125145913,"sku":"QOB120PL","price":61.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/QOB120PL_1_40a2c7c5-416d-49bd-b9d9-3479735cf61f.jpg?v=1686702072"},{"product_id":"square-d-qob220epd-20-amp","title":"Square D QOB220EPD - 20A GFEP Miniature Circuit Breaker","description":"Designed to safeguard machinery, the Square D QOB220EPD is a 2-pole, 20A equipment protection device. It delivers 30mA Class B ground fault sensing for industrial applications. The bolt-on configuration ensures a stable connection within Square D NQ and NQOD panelboards. Terminals accommodate 14-8 AWG copper or 12-8 AWG aluminum conductors. With a 10kAIC rating at 120\/240VAC, this breaker provides reliable overcurrent defense. A built-in Visi-Trip window clearly displays tripped status.","brand":"Square D","offers":[{"title":"New","offer_id":45355125834041,"sku":"QOB220EPD","price":466.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QOB220EPD-GFEP-Miniature-Circuit-Breaker_SquareD_1.jpg?v=1779980569"},{"product_id":"square-d-xo120-r-20-amp","title":"Square D XO120 - 20A 1 Pole Miniature Circuit Breaker","description":"Engineered for residential applications, the Square D XO120 provides essential overcurrent protection for standard household circuits. This miniature plug-on breaker delivers 20 amps of capacity at 120VAC to safeguard wiring. Designed as a reliable replacement, this unit mounts seamlessly into vintage Square D and Cutler-Hammer XO series load centers. The plug-on configuration ensures a secure connection to the panel bus. This model carries a Switching Duty (SWD) classification for lighting.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45355789746489,"sku":"XO120-R","price":116.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/XO120_61b31f54-9980-4f71-87bd-528594f5993c.jpg?v=1686711406"},{"product_id":"square-d-y1b120-1-pole-circuit-breaker","title":"Square D Y1B120 - 20A 1 Pole Molded Case Circuit Breaker","description":"Built for commercial 277VAC lighting distribution, this single-pole 20A breaker delivers dependable thermal-magnetic overcurrent protection. It is engineered to support 277V applications in industrial facilities. Designed as a bolt-on unit, it mounts into obsolete Square D NY1B panelboards, providing a seamless fit for older infrastructure. The breaker utilizes standard load side lugs for secure wire terminations. Carrying an SWD rating, it is approved for switching fluorescent lighting loads.","brand":"Square D","offers":[{"title":"New","offer_id":45355830477113,"sku":"Y1B120","price":66.77,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45355830509881,"sku":"Y1B120-R","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/Y1B120_ca7cb8e8-5ba6-4cd5-bf14-b409452e278b.jpg?v=1686711885"},{"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-992120-r-20-amp","title":"Square D 992120 - 20A 1 Pole Molded Case Circuit Breaker","description":"Built for commercial and industrial applications, the Square D 992120 is a 1-pole, 20A molded case circuit breaker from the 99 Series. It provides dependable thermal-magnetic overcurrent protection for branch circuits. This unit installs into Square D ML panelboards, utilizing a secure bolt-on mounting style to ensure a stable connection. It comes equipped with load side lugs for straightforward wiring.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45356503793977,"sku":"992120-R","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/992120_ec4b899b-49b0-43ed-a815-71d1a9e20375.jpg?v=1686720887"},{"product_id":"square-d-992320-r-20-amp","title":"Square D 992320 - 20A 3 Pole Molded Case Circuit Breaker","description":"A drop-in solution for older facilities, the Square D 992320 is a 20A, 3-pole molded case circuit breaker. It provides essential long-time and instantaneous trip functions for commercial and industrial power distribution networks. Designed specifically for legacy infrastructure, this breaker installs into Square D ML panelboards via a secure bolt-on mount. It also serves as a substitute for ML22020 SKUs. 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It boasts an impressive 100kAIC interrupt capacity at 600VAC, ensuring superior safety.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45357893779769,"sku":"IF36020-R","price":350.53,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/if36020-r_66823cc8-8de4-4ffa-bf4f-8ed19c2243f6.jpg?v=1686746281"},{"product_id":"square-d-fh36020-1371-r","title":"Square D FH36020-1371 - 20A 3 Pole Molded Case Circuit Breaker","description":"Operating within commercial systems, the Square D FH36020-1371 delivers dependable thermal-magnetic protection. This 20A MCCB is part of the legacy F-Frame line. Engineered for compatibility, it connects into Square D I-Line panelboards. Facilities transitioning to current hardware can replace this unit with the PowerPact BGA36020. The device provides a 65kAIC rating at 240VAC. 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