{"title":"20 Amp 2 Pole Circuit Breakers","description":"\u003cp\u003eThis collection features products in the 20 Amp 2 Pole Circuit Breakers category. These components feature 2 pole configurations. Shoppers can review models from the QOB, THQL, QO, CH, and FA series across several major brands.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe collection includes products from Eaton \/ Cutler-Hammer, Square D, Siemens, and ABB \/ General Electric.\u003c\/li\u003e\n\u003cli\u003eProduct types include 2 Pole Circuit Breaker, 2 Pole Ground Fault Circuit Breaker, and 2 Pole Combination Arc Fault Circuit Breaker models.\u003c\/li\u003e\n\u003cli\u003eAll items in this group feature a 20A amp rating.\u003c\/li\u003e\n\u003cli\u003eExample products include the \u003ca href=\"\/products\/siemens-b220hh-20-amp\"\u003eSiemens B220HH - 20A 2 Pole Molded Case Circuit Breaker\u003c\/a\u003e and the \u003ca href=\"\/products\/siemens-bq2b020qx-20-amp\"\u003eSiemens \/ ITE BQ2B020QX - 20A 2 Pole Molded Case Circuit Breaker\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat types of 20 Amp 2 Pole breakers are on this page?\u003c\/h3\u003e\u003cp\u003eThis collection includes 2 Pole Circuit Breaker, 2 Pole Ground Fault Circuit Breaker, and 2 Pole Combination Arc Fault Circuit Breaker types.\u003c\/p\u003e\u003ch3\u003eWhich series of 20 Amp 2 Pole breakers does SuperBreakers carry?\u003c\/h3\u003e\u003cp\u003eSuperBreakers carries several series in this category, including QOB, THQL, QO, CH, FA, and THQB.\u003c\/p\u003e\u003ch3\u003eWhich brand lines are included in 20 Amp 2 Pole breakers?\u003c\/h3\u003e\u003cp\u003eThis category features products from Eaton \/ Cutler-Hammer, Square D, Siemens, ABB \/ General Electric, and Federal Pacific.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/collections\/20-amp-circuit-breakers\"\u003e20 Amp Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","products":[{"product_id":"siemens-b220hh-20-amp","title":"Siemens B220HH - 20A 2 Pole Molded Case Circuit Breaker","description":"Designed for maximum protection, the Siemens B220HH 2-pole, 20-amp molded case circuit breaker anchors the high-performance HBL family. This unit fastens into Siemens P1 through P5 panelboards. The bolt-on mounting ensures a vibration-proof connection, and the load-side lugs feature Insta-Wire technology for faster installation. Its standout feature is an extra-high 65kAIC interrupting rating, ideal for systems with significant available fault current. It is fully HACR rated.","brand":"Siemens","offers":[{"title":"New","offer_id":45354164060473,"sku":"B220HH","price":112.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/B220-2-Pole-Circuit-Breaker_Siemens_1_90c5be0c-69e1-45ae-9768-8cfa36e37e0a.jpg?v=1768403306"},{"product_id":"siemens-be220-20-amp","title":"Siemens BE220 - 20A GFEP Molded Case Circuit Breaker","description":"Designed for heavy-duty applications, the Siemens BE220 2-pole ground fault equipment protection breaker delivers essential thermal-magnetic overcurrent defense. It actively monitors circuits for damaging line-to-ground faults to prevent electrical failures. Engineered for a secure connection, this bolt-on unit fits Siemens P1, P2, and P3 panelboards. It serves as a direct substitute for the B220EG breaker. With a 10kAIC rating at 120\/240V, it utilizes a 30mA trip sensitivity threshold.","brand":"Siemens","offers":[{"title":"New","offer_id":45354177003833,"sku":"BE220","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BE220_1.jpg?v=1782399470"},{"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":"cutler-hammer-eb2020lv-s-20-amp","title":"Eaton \/ Cutler-Hammer EB2020LV-S - 20A 2 Pole Molded Case Circuit Breaker","description":"Built for commercial applications, the Eaton EB2020LV-S is a 2-pole, 20A molded case circuit breaker from the legacy E-Frame family. It provides reliable thermal-magnetic protection for branch circuits. This bolt-on breaker installs into vintage Westinghouse FDP and CDP panelboards. It serves as a replacement for aging infrastructure, though it is superseded by the EHD2020 model. Rated at 10kAIC at 240VAC, it features a 50°C ambient calibration and a Saf-T-Vue visual trip indicator.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354367385913,"sku":"EB2020LV-S","price":128.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EB2020LV.jpg?v=1686681134"},{"product_id":"siemens-he2b020-r-20-amp","title":"Siemens \/ ITE HE2B020 - 20A 2 Pole Molded Case Circuit Breaker","description":"A drop-in replacement for aging commercial electrical systems, the Siemens HE2B020 restores reliable overcurrent protection to existing infrastructure. This 20-amp, 2-pole molded case circuit breaker is engineered for 480VAC and 600VAC industrial applications. It mounts seamlessly into Siemens P1, P2, and P3 panelboards, as well as SB switchboards, eliminating the need for retrofit kits. Featuring a robust thermal-magnetic trip unit, it delivers a 25kAIC interrupting rating at 480V.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45354570514745,"sku":"HE2B020-R","price":295.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/HE2B020-R_cee8593a-7d34-40d8-b2c1-ba1f54c3fb68.jpg?v=1686688056"},{"product_id":"federal-pacific-na220-2-pole-circuit-breaker","title":"Federal Pacific NA220 - 20A 2 Pole Miniature Circuit Breaker","description":"Built for residential and commercial applications, the NA220 delivers 20 amps of thermal-magnetic protection. This legacy component maintains older electrical systems without requiring a panel upgrade. It mounts into classic Federal Pacific Stab-Lok load centers, utilizing a standard plug-on design. For modern alternatives, this unit is replaced by the UBIF220N aftermarket breaker. Rated at 10 kAIC at 120\/240VAC, it features a full-size 1-inch per pole width and common trip functionality.","brand":"Federal Pacific","offers":[{"title":"New","offer_id":45354863329593,"sku":"NA220","price":67.59,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45354863362361,"sku":"NA220-R","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/NA220-2-Pole-Circuit-Breaker_Federal-Pacific_1.jpg?v=1772049034"},{"product_id":"federal-pacific-nc0220-2-pole-circuit-breaker","title":"Federal Pacific NC0220 - 20A 2 Pole Miniature Circuit Breaker","description":"Designed specifically for vintage infrastructure, this 20A breaker provides reliable thermal-magnetic protection for 120\/240V circuits. The unit fits perfectly into Federal Pacific Stab-Lok load centers, acting as a genuine alternative to the newer UBIF0220N cross-reference. Its thin wafer construction saves valuable gutter space, while the common trip mechanism ensures both poles disconnect simultaneously during faults.","brand":"Federal Pacific","offers":[{"title":"New","offer_id":45354871390521,"sku":"NC0220","price":62.15,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45354871423289,"sku":"NC0220-R","price":38.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/NC0220_19f8bfea-d435-4206-8517-1da92330836c.jpg?v=1686698083"},{"product_id":"siemens-q220h-20-amp","title":"Siemens Q220H - 20A 2 Pole Miniature Circuit Breaker","description":"Built for residential and commercial systems, the Siemens Q220H is a 2-pole, 20A miniature circuit breaker. As part of the QPH series, it delivers reliable thermal-magnetic protection. This plug-on unit mounts into Siemens EQ, PL, ES, and Ultimate load centers. It also serves as a drop-in replacement for the discontinued Murray MP220H. Rated for a high interrupting capacity of 22kAIC, it safely clears severe faults and features Insta-Wire connectors to speed up installation.","brand":"Siemens","offers":[{"title":"New","offer_id":45354999841081,"sku":"Q220H","price":47.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/Q220-2-Pole-Circuit-Breaker_Siemens_1_c1465d9b-f6fe-4d31-8634-156561fc92ca.jpg?v=1770909342"},{"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-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":"general-electric-ted124020wl-20-amp","title":"ABB \/ General Electric TED124020WL - 20A 2 Pole Molded Case Circuit Breaker","description":"Built for industrial applications, the GE TED124020WL is a 2-pole, 20A molded case circuit breaker from the E150 frame family. It provides reliable overcurrent protection for heavy-duty electrical systems. This unit mount breaker installs into individual enclosures, switchboards, and motor control centers. The \"WL\" suffix indicates it comes equipped with factory-installed line and load lugs for immediate wire termination.","brand":"ABB \/ General Electric","offers":[{"title":"New","offer_id":45355453350201,"sku":"TED124020WL","price":385.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/TED124020WL_1_4e4b1398-8f13-4d56-8c53-8ce8dec55320.jpg?v=1686707121"},{"product_id":"general-electric-thhqc22020wl-20-amp","title":"ABB \/ General Electric THHQC22020WL - 20A 2 Pole Miniature Circuit Breaker","description":"Part of the Q-Line family, this 20A miniature circuit breaker provides reliable thermal-magnetic protection for commercial and industrial applications. Featuring factory-installed line and load lugs, the unit mounts onto standard DIN rails or base-mounts inside OEM panels and enclosures. It accepts 14-8 AWG copper or 12-8 AWG aluminum wire for flexible installation. Rated for 22kAIC at 120\/240VAC, the breaker includes a common trip mechanism and is HACR rated for HVAC equipment.","brand":"ABB \/ General Electric","offers":[{"title":"New","offer_id":45355492933945,"sku":"THHQC22020WL","price":49.48,"currency_code":"USD","in_stock":true}]},{"product_id":"cutler-hammer-ehc2020-r-20-amp","title":"Eaton \/ Cutler-Hammer EHC2020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Serving commercial and industrial facilities, this 20A two-pole molded case circuit breaker delivers robust thermal-magnetic protection. It integrates perfectly into Eaton Series C panelboards, switchboards, and motor control centers requiring a bolt-on connection. The unit provides an 18kA interrupting rating at 240VAC and carries a HACR certification for HVAC applications. For modern retrofits, engineers frequently utilize the EHD2020 as a functional substitute.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45356074369337,"sku":"EHC2020-R","price":245.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ehc2020-r_78b69a48-9a03-4c13-bf48-5578b5039b6b.jpg?v=1686714750"},{"product_id":"ce2b020","title":"Siemens \/ ITE CE2B020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Part of the legacy CE series, the CE2B020 is a 2-pole, 20A molded case circuit breaker designed for commercial applications. It mounts securely into Siemens P2 and P3 panelboards, providing reliable thermal-magnetic trip protection. While replaced by the CED62B020 in newer catalogs, this exact replacement utilizes integrally fused Amp-Trap limiters to deliver exceptional current-limiting performance, minimizing let-through energy and protecting downstream equipment from severe short circuits.","brand":"Siemens \/ ITE","offers":[{"title":"New","offer_id":45356080628025,"sku":"CE2B020","price":510.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ce2b020_2ed6cc2f-3c15-41c4-928c-8a9e272611d0.jpg?v=1686714815"},{"product_id":"cutler-hammer-bab2020h-20-amp","title":"Eaton \/ Cutler-Hammer BAB2020H - 20A 2 Pole Miniature Circuit Breaker","description":"Built for demanding commercial and marine applications, the Eaton BAB2020H delivers reliable overcurrent protection. This 2-pole, 20A miniature circuit breaker features a thermal-magnetic trip unit for 120\/240VAC systems. It utilizes a secure bolt-on mounting style designed to fit Eaton Pow-R-Line, Westinghouse, and Cutler-Hammer panelboards. It also serves as a direct replacement for legacy QNBL2020 breakers. Calibrated for 50°C, this marine-duty breaker provides a 10kAIC rating.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45356717539641,"sku":"BAB2020H","price":44.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/QBHW2020-2-Pole-Circuit-Breaker_Eaton-Cutler-Hammer_1_4e48811c-ea6e-44dc-a1ed-50cf47a7bb2b.jpg?v=1770918606"},{"product_id":"westinghouse-ea2020-r-20-amp","title":"Eaton \/ Westinghouse EA2020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Maintaining older commercial infrastructure is simple with the Eaton EA2020, a 2-pole, 20A legacy molded case circuit breaker. It provides essential thermal-magnetic protection for 240VAC and 125\/250VDC industrial circuits. This bolt-on MCCB installs seamlessly into vintage Westinghouse panelboards, eliminating the need for complex retrofits. For newer installations, it is commonly replaced by the EHD2020.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45356751651129,"sku":"EA2020-R","price":184.09,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ea2020-r_80774e41-e5ec-43a5-9e97-58d5a4f0181e.jpg?v=1686726093"},{"product_id":"westinghouse-ehb2020-r-20-amp","title":"Eaton \/ Westinghouse EHB2020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Part of the classic E-Frame lineup, this 20A, 2-pole molded case circuit breaker is engineered for legacy commercial facilities. It mounts into Westinghouse and Cutler-Hammer NEHB panelboards, offering an exact mechanical and electrical match for discontinued hardware. Delivering 14 kAIC of interrupting capacity at 480Y\/277VAC, it utilizes a non-interchangeable thermal-magnetic trip mechanism. For modern cross-reference, the EHD2020 serves as the exact substitute for this component.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45356832194873,"sku":"EHB2020-R","price":245.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EHB2020-R_ce3bd1c2-5bf4-4736-ac93-8a4493d62ea5.jpg?v=1686727148"},{"product_id":"square-d-cf2020-r-20-amp","title":"Eaton \/ Challenger CF2020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Designed to maintain existing infrastructure, this 2-pole, 20A molded case circuit breaker is part of Eaton's legacy Challenger series. It provides essential thermal-magnetic protection for commercial facilities operating on 600VAC systems. The unit mount design integrates seamlessly into older Challenger, Westinghouse, and Eaton panelboards. For modern upgrades, this F-frame configuration crosses over to the FD2020 replacement model.","brand":"Eaton \/ Challenger","offers":[{"title":"Re-Certified","offer_id":45356838093113,"sku":"CF2020-R","price":188.76,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/CF2020-R_05e5d3e7-96c4-4726-a154-7495b1b1b04b.jpg?v=1686727350"},{"product_id":"westinghouse-eb2020-r-20-amp","title":"Eaton \/ Westinghouse EB2020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Engineered for commercial and industrial applications, the EB2020 delivers reliable thermal-magnetic protection. It serves as a crucial component for maintaining older infrastructure. This unit mounts into classic Westinghouse and Eaton panelboards. It provides an exact fit for systems specifying E-frame breakers, acting as a predecessor to the EHD2020 substitute. Featuring a 10kAIC rating at 240VAC, it utilizes proven AB De-Ion arc extinction technology to clear faults safely.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45356863455545,"sku":"EB2020-R","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/eb2020-r_1_de24598a-e53e-4556-af82-a07b39f5c09c.jpg?v=1686728189"},{"product_id":"westinghouse-hfb2020-r-20-amp","title":"Eaton \/ Westinghouse HFB2020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Part of the classic Mark 75 family, the Eaton HFB2020 is a 2-pole, 20A molded case circuit breaker for commercial and industrial applications. It provides reliable thermal-magnetic protection for branch circuits. Engineered as an exact fit, it mounts into legacy Westinghouse F-Frame panelboards, Eaton Series C panels, and motor control centers. It seamlessly replaces older units and crosses to the modern HFD2020. Rated 65kAIC at 240V, it includes line and load lugs for quick installation.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45356885410105,"sku":"HFB2020-R","price":194.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/HFB2020_88478932-70e6-437c-9018-aa8b811ab8de.jpg?v=1686728960"},{"product_id":"siemens-ee2b020-r-20-amp","title":"Siemens EE2B020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Engineered for commercial and industrial power distribution, the Siemens EE2B020 is a 2-pole, 20A molded case circuit breaker. This legacy E-frame component delivers reliable overcurrent protection for 240VAC systems. The bolt-on design mounts into older Siemens Sentron and classic ITE panelboards. For modern upgrades or when this specific frame is unavailable, it is replaced by the current ED22B020 model. It provides standard LI protection and carries a 10kAIC interrupting rating.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356889178425,"sku":"EE2B020-R","price":362.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ee2b020-r_3f8eaa13-bb62-4496-aba8-e46c3ef02758.jpg?v=1686729107"},{"product_id":"siemens-e22b020-r-20-amp","title":"Siemens E22B020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Engineered for commercial and industrial applications, this 20A unit mount breaker provides essential long-time and instantaneous trip functions. It serves as an exact fit for legacy Siemens panelboards, switchboards, and motor control centers requiring E-Frame components. While originally standard issue, it has since been superseded by the ED22B020 model, making this specific unit highly valuable for maintaining existing infrastructure without requiring extensive panel modifications.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356924436793,"sku":"E22B020-R","price":53.93,"currency_code":"USD","in_stock":true}]},{"product_id":"siemens-e42b020-r-20-amp","title":"Siemens E42B020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Constructed for industrial power distribution, this 20-amp, two-pole circuit breaker utilizes fixed thermal-magnetic trip technology. It provides a robust 18kAIC interrupt capacity at 480VAC and 65kAIC at 240VAC. Designed with a bolt-on mounting style, it integrates seamlessly into Siemens Sentron panelboards and motor control centers. For facilities upgrading their infrastructure, this legacy E4-Type model is officially replaced by the newer ED42B020.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356937806137,"sku":"E42B020-R","price":91.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/E42B020_823b55b5-4220-493e-b827-36b7085bc1fd.jpg?v=1686729728"},{"product_id":"siemens-e42m020-r-20-amp","title":"Siemens ED42M020 - 20A 2 Pole Molded Case Circuit Breaker","description":"Engineered for industrial and marine applications, the Siemens E42M020 provides robust overcurrent protection. This 2-pole, 20-amp molded case circuit breaker utilizes a fixed thermal-magnetic trip unit to safeguard critical electrical infrastructure. The bolt-on design installs into Siemens Sentron panelboards and switchboards. It includes factory-installed load lugs and supports reverse feed configurations. Rated at 18 kAIC at 480VAC, this ED4 frame breaker features a 50°C ambient calibration.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356938428729,"sku":"E42M020-R","price":107.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/E42M020-R_b5b80621-c9d4-44af-a2a1-dcec06d37c04.jpg?v=1686729740"},{"product_id":"cutler-hammer-ch220st-20-amp","title":"Eaton \/ Cutler-Hammer CH220ST - 20A 2 Pole Miniature Circuit Breaker","description":"Engineered for commercial and industrial applications, this 20-amp thermal-magnetic breaker features a factory-integrated shunt trip mechanism for remote disconnect capabilities. It installs into Eaton Type CH load centers, utilizing a 3\/4-inch per pole footprint to maximize panel space. 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