{"title":"3 Pole Circuit Breakers","description":"\u003cp\u003eFind over 4200 3 pole circuit breakers designed for three-phase commercial and industrial power systems. This collection covers 3-pole miniature and molded case configurations rated from 15A to 800A, including E-frame, F-frame, and GFCI specialty types.\u003c\/p\u003e\u003ch3\u003eSeries on this page\u003c\/h3\u003e\u003cul\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\u003eTHQB\u003c\/strong\u003e: bolt-on breakers for GE panelboards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFA, FAL\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\u003eAlso on this page: TED, BAB, HFD, and BQD 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-edb34030-30-amp\"\u003eEDB34030\u003c\/a\u003e: 30A, 3-pole molded case 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-qob330-30-amp\"\u003eQOB330\u003c\/a\u003e: 30A, 3-pole miniature circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-edb34060-60-amp\"\u003eEDB34060\u003c\/a\u003e: 60A, 3-pole molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/square-d-qob320-20-amp\"\u003eQOB320\u003c\/a\u003e: 20A, 3-pole 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 your panel label, matching the correct miniature or molded case family. Match the 3-pole configuration and select the correct amp rating ranging from 15A to 800A. Choose FA or FAL series for F-frame applications, EDB or EGB for E-frame panels, or THQB and QOB bolt-on models. 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\/2-pole-circuit-breakers-circuit-breakers\"\u003e2 Pole Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/1-pole-circuit-breakers-circuit-breakers\"\u003e1 Pole Circuit Breakers\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-999370-r-70-amp","title":"Square D 999370 - 70A 3 Pole Molded Case Circuit Breaker","description":"Built to support legacy commercial infrastructure, the Square D 999370 delivers 70 amps of reliable power distribution. This 3-pole MCCB belongs to the obsolete 999 series, offering a crucial maintenance solution. Designed with a sturdy bolt-on configuration, it installs seamlessly into Square D ML panelboards and motor control centers. Facility managers rely on this exact Type ML-1 replacement to keep existing enclosures operational.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45353940320569,"sku":"999370-R","price":210.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/999370-R_f811d1ff-1f8c-46f4-add4-f7a23e44b595.jpg?v=1686672738"},{"product_id":"square-d-a1b315-r-15-amp","title":"Square D A1B315 - 15A 3 Pole Molded Case Circuit Breaker","description":"Delivering 15A of thermal-magnetic protection, the Square D A1B315 is a 3-pole molded case circuit breaker for commercial and industrial applications. It ensures reliable defense against overloads and short circuits. This legacy bolt-on breaker is manufactured to fit seamlessly into older Square D NA1B panelboards. It accepts 14-8 AWG copper or aluminum wire via the included load side lugs. With a 10kAIC rating at 240VAC, the unit features a long body profile and the Visi-Trip indicator.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45354037248313,"sku":"A1B315-R","price":134.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/a1b315-r_aeed90a9-378e-41f3-8809-5836a9da134a.jpg?v=1686673491"},{"product_id":"square-d-a1b330-r-30-amp","title":"Square D A1B330 - 30A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial applications, the Square D A1B330 is a 3-pole miniature molded case circuit breaker. It features a long body design and a Visi-Trip indicator for quick status checks. This 30A breaker bolts into legacy Square D NA1B panelboards. It provides a crucial maintenance solution for facilities running classic 240V distribution systems. Rated for 10 kAIC at 240VAC, it utilizes fixed thermal-magnetic trip technology and accepts 14-8 AWG wire via load side lugs.","brand":"Square D","offers":[{"title":"Re-Certified","offer_id":45354038296889,"sku":"A1B330-R","price":134.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/a1b330-r_5e9db348-735a-401a-aeac-4f757de9134f.jpg?v=1686673502"},{"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":"siemens-b3100hh-100-amp","title":"Siemens B3100HH - 100A 3 Pole Molded Case Circuit Breaker","description":"Part of the Siemens B-frame lineup, the B3100HH is a 3-pole, 100A molded case circuit breaker built for commercial and industrial power distribution. It provides reliable thermal-magnetic protection for demanding electrical systems. This bolt-on breaker installs into Siemens P1, P2, and P3 panelboards, utilizing load-side lug terminals for secure connections. Rated for 65kAIC at 240VAC, it features a non-interchangeable trip unit and carries an HACR rating for HVAC applications.","brand":"Siemens","offers":[{"title":"New","offer_id":45354164814137,"sku":"B3100HH","price":377.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/B3100HH_14da6d92-4c29-4aed-8600-088512ac78ed.jpg?v=1686677185"},{"product_id":"siemens-b335hh-35-amp","title":"Siemens B335HH - 35A 3 Pole Molded Case Circuit Breaker","description":"Handling severe fault conditions, this 35-amp HBL series breaker delivers an extra-high 65kAIC interrupting capacity at 240VAC for demanding industrial environments. The three-pole unit mounts into Siemens P1, P2, P3, P4, and P5 panelboards, utilizing a quick-make\/quick-break mechanism to ensure rapid arc extinguishment. It features a trip-free design that prevents the contacts from being held closed during a fault, while providing reliable thermal-magnetic protection for heavy-duty loads.","brand":"Siemens","offers":[{"title":"New","offer_id":45354165535033,"sku":"B335HH","price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/B335HH_1bd0f7e5-0311-493f-865a-51de373a6db0.jpg?v=1686677222"},{"product_id":"cutler-hammer-bab3045h-45-amp","title":"Eaton \/ Cutler-Hammer BAB3045H - 45A 3 Pole Miniature Circuit Breaker","description":"Engineered to accommodate demanding electrical loads, this 45A three-pole breaker features a high-magnetic trip curve. It is ideal for commercial and industrial circuits that experience significant inrush currents during startup. This unit mounts securely into Eaton Pow-R-Line, Cutler-Hammer, and legacy Westinghouse panelboards. It provides an exact drop-in replacement for older QNBL3045 breakers. Rated for 10kAIC at 240VAC, the HACR-certified design ensures consistent and reliable protection.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"New","offer_id":45354172055865,"sku":"BAB3045H","price":171.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/BAB3045H_e3953505-8232-429a-8834-ce5e16a9fe1a.jpg?v=1686677356"},{"product_id":"siemens-cf3b100-r-100-amp","title":"Siemens \/ ITE CF3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Built for heavy-duty industrial environments, this 100A current-limiting MCCB safeguards critical electrical circuits against severe faults. The bolt-on configuration mounts into classic Siemens switchboards, providing a seamless match without requiring modern adapters. Now superseded by the CED63B100, this original CF-frame breaker achieves a massive 200kAIC interrupting capacity at 480V by utilizing integral Amp-Trap fuses to restrict let-through energy.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45354243129657,"sku":"CF3B100-R","price":804.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/CF3B100-R.jpg?v=1686678594"},{"product_id":"siemens-cqd315-15-amp","title":"Siemens CQD315 - 15A 3 Pole Molded Case Circuit Breaker","description":"Built for commercial and industrial applications, the Siemens CQD315 is a 3-pole, 15A molded case circuit breaker. It provides dependable thermal-magnetic protection with fixed trip functions. This breaker installs onto standard DIN rails, making it highly versatile for OEM control panels and DIN rail enclosures. It is also fully compatible with Siemens P1, P2, and P3 panelboards. Featuring a 14 kAIC rating at 480Y\/277VAC, the CQD315 is HACR and reverse feed rated.","brand":"Siemens","offers":[{"title":"New","offer_id":45354270622009,"sku":"CQD315","price":266.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/CQD315-3-Pole-Circuit-Breaker_Siemens_1_cab825b4-5c38-43dc-af9a-58643ece53d6.jpg?v=1750351473"},{"product_id":"siemens-cqd330-30-amp","title":"Siemens CQD330 - 30A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial and industrial applications, the Siemens CQD330 is a 3-pole, 30A molded case circuit breaker from the SENTRON family. It provides reliable thermal-magnetic protection with long-time and instantaneous trip functions. This breaker mounts onto standard DIN rails, making it an excellent choice for OEM panels and specialized enclosures. The unit includes factory-installed line and load lugs, supporting 14-6 AWG copper or 12-6 AWG aluminum wire.","brand":"Siemens","offers":[{"title":"New","offer_id":45354271244601,"sku":"CQD330","price":266.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/CQD330-3-Pole-Circuit-Breaker_Siemens_1.jpg?v=1750352751"},{"product_id":"cutler-hammer-da3250-r-250-amp","title":"Eaton \/ Cutler-Hammer DA3250 - 250A 3 Pole Molded Case Circuit Breaker","description":"Designed to support existing commercial infrastructure, the DA3250 offers robust overcurrent protection within a classic AB De-Ion frame. This three-pole, 250-amp breaker mounts into vintage Westinghouse CDP panelboards and FDP switchboards, providing a reliable maintenance solution. With a 22kAIC interrupting capacity at 240VAC and reverse feed capabilities, it utilizes a fixed thermal-magnetic trip unit to safeguard critical facility circuits.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354342646073,"sku":"DA3250-R","price":1053.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/DA3250-R_c2a4c2a1-64a2-4948-b604-5d14086bab00.jpg?v=1686680127"},{"product_id":"cutler-hammer-da3350-r-350-amp","title":"Eaton \/ Cutler-Hammer DA3350 - 350A 3 Pole Molded Case Circuit Breaker","description":"A drop-in replacement for aging electrical systems, the Eaton DA3350 provides 350A of thermal-magnetic protection. This 3-pole molded case circuit breaker features a non-interchangeable trip unit and standard lug terminals for secure connections. Designed for commercial and industrial applications, it installs into classic Westinghouse CDP panelboards, FDP switchboards, and compatible Eaton enclosures. It serves as the predecessor to the DK3350 series.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354343334201,"sku":"DA3350-R","price":641.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/DA3350-R_8a7bb9c1-af07-433f-8492-571b4ff75d1c.jpg?v=1686680147"},{"product_id":"cutler-hammer-da3400-r-40-amp","title":"Eaton \/ Cutler-Hammer DA3400 - 400A 3 Pole Molded Case Circuit Breaker","description":"Operating as a high-capacity protective device, the Eaton DA3400 delivers 400A of thermal-magnetic protection for demanding industrial environments. This 3-pole legacy AB De-Ion breaker features a non-interchangeable trip unit and supports reverse feed applications. It mounts securely into vintage Westinghouse CDP panelboards, FDP switchboards, and Eaton enclosures. Facilities looking to modernize often cross-reference this unit to the newer DK3400 replacement.","brand":"Eaton \/ Cutler-Hammer","offers":[{"title":"Re-Certified","offer_id":45354343727417,"sku":"DA3400-R","price":684.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/DA3400-R_ff65c53f-e2a1-4c10-8df5-32b00bc7f665.jpg?v=1686680158"},{"product_id":"square-d-djm32400e20-3-pole-circuit-breaker","title":"Eaton \/ Moeller DJM32400E20 - 400A 3 Pole Molded Case Circuit Breaker","description":"Built for commercial metering applications, the Square D DJM32400E20 is a 3-pole, 400A electronic trip circuit breaker. It delivers precise, current-limiting protection using advanced microprocessor sensing. This breaker is engineered to mount into Square D EZ Meter-Pak (EZML and EZMK) metering centers. While this legacy DJ frame is now replaced by the PowerPact LJM36400U31X, it remains essential for maintaining existing setups. It features a 100kAIC rating at 240V and adjustable trip functions.","brand":"Eaton \/ Moeller","offers":[{"title":"New","offer_id":45354345595193,"sku":"DJM32400E20","price":1001.51,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45354345627961,"sku":"DJM32400E20-R","price":1275.0,"currency_code":"USD","in_stock":true}]},{"product_id":"siemens-ef3a100-r-100-amp","title":"Siemens EF3A100 - 100A 3 Pole Motor Circuit Protector","description":"Engineered for industrial motor control applications, this 100A instantaneous-only device provides dedicated short-circuit defense. It coordinates with external overload relays to protect specific motor loads without nuisance tripping during startup. Designed to fit older Siemens and I-T-E panelboards, this E-Frame unit utilizes a bolt-on mounting configuration. It serves as an exact match for existing installations and is officially replaced by the modern ED63A100 for new builds.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354376134969,"sku":"EF3A100-R","price":1198.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EF3A100.jpg?v=1686681307"},{"product_id":"siemens-ef3b015-r-15-amp","title":"Siemens EF3B015 - 15A 3 Pole Molded Case Circuit Breaker","description":"Designed for heavy-duty applications, this 15-amp Siemens MCCB delivers thermal magnetic protection across three phases. The E-Frame breaker is engineered to handle commercial circuits against overloads and short circuits. Featuring a secure bolt-on mounting style, it fits into legacy I-T-E panelboards and modern Siemens P-series load centers. Facility managers can use this unit to replace aging EF3B015 breakers. It provides a 14kAIC interrupt rating at 480V and is HACR rated.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354376724793,"sku":"EF3B015-R","price":291.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EF3B015-R.jpg?v=1686681316"},{"product_id":"siemens-ef3b020-r-20-amp","title":"Siemens EF3B020 - 20A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial applications, the Siemens EF3B020 is a 3-pole, 20A molded case circuit breaker from the legacy EF frame family. It provides dependable thermal-magnetic trip protection for up to 600VAC systems. This bolt-on unit installs into older Siemens, I-T-E, and FC-1 panelboards, as well as FC-20 switchboards. It is replaced by the modern ED63B020 for system upgrades. Rated at 14kAIC at 480V and 18kAIC at 240V, it features a non-interchangeable trip and is HACR rated.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354377216313,"sku":"EF3B020-R","price":291.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EF3B020-R.jpg?v=1686681328"},{"product_id":"siemens-eh3b020-r-20-amp","title":"Siemens EH3B020 - 20A 3 Pole Molded Case Circuit Breaker","description":"Built for commercial and industrial power distribution, the Siemens EH3B020 is a 3-pole, 20-amp molded case circuit breaker. It features a bolt-on mounting style designed for seamless integration into Siemens P1, P2, P3, and older ITE panelboards. As a legacy E-Frame device, it serves as an exact fit for existing installations and is officially replaced by the ED43B020 for newer upgrades. Rated at 14 kAIC at 480VAC, it provides fixed thermal and magnetic trip functions.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354386948409,"sku":"EH3B020-R","price":263.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EH3B020.jpg?v=1686681457"},{"product_id":"siemens-eh3b040-r-40-amp","title":"Siemens EH3B040 - 40A 3 Pole Molded Case Circuit Breaker","description":"Operating at up to 480VAC, this 40A thermal-magnetic breaker offers robust overcurrent protection for demanding environments. The three-pole device utilizes fixed thermal and magnetic trip elements to safeguard commercial distribution systems. The bolt-on configuration mounts into Siemens P1, P2, and P3 panelboards, along with vintage ITE load centers. Facilities looking to replace this specific E-frame unit can utilize the newer ED43B040 as a drop-in substitute. Rated 14 kAIC at 480V.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354388390201,"sku":"EH3B040-R","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EH3B040.jpg?v=1686681479"},{"product_id":"siemens-eh3b100-r-100-amp","title":"Siemens EH3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Operating as a crucial safety component, the Siemens EH3B100 offers dependable thermal-magnetic trip capabilities. This 3-pole, 100-amp MCCB is engineered to protect commercial wiring from overloads and short circuits. Designed for secure bolt-on installation, it integrates smoothly into Siemens P-series and older ITE distribution boards. With an interrupting capacity of 14kAIC at 480VAC, it meets UL 489 standards and accepts copper or aluminum conductors via standard load lugs.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354388750649,"sku":"EH3B100-R","price":1295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/eh3b100.jpg?v=1686681490"},{"product_id":"westinghouse-ehb3020-r-20-amp","title":"Eaton \/ Westinghouse EHB3020 - 20A 3 Pole Molded Case Circuit Breaker","description":"Serving as a crucial component for older commercial systems, this 20A, three-pole MCCB delivers reliable long-time and instantaneous protection. The bolt-on configuration fits perfectly into classic Westinghouse panelboards. It serves as a seamless drop-in solution that eliminates the need for retrofit kits, and crosses over to the EHD3020. With a 14kAIC rating at 480Y\/277VAC, this E-frame unit includes a fixed thermal-magnetic trip.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45354394288441,"sku":"EHB3020-R","price":153.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EHB3020.jpg?v=1686681530"},{"product_id":"westinghouse-ehb3060-r-60-amp","title":"Eaton \/ Westinghouse EHB3060 - 60A 3 Pole Molded Case Circuit Breaker","description":"Manufactured by Eaton, this 60A, 3-pole MCCB is designed for commercial applications. The thermal-magnetic unit provides dependable long-time and instantaneous trip functions. Engineered for legacy infrastructure, it installs into Westinghouse NEHB panelboards. This bolt-on breaker serves as an exact replacement and can be substituted with the EHD3060. Rated 14kAIC at 480Y\/277VAC, it ensures robust protection. It features a non-interchangeable trip and carries an HACR rating.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45354395697465,"sku":"EHB3060-R","price":299.98,"currency_code":"USD","in_stock":true},{"title":"New","offer_id":51303869710649,"sku":"EHB3060","price":425.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EHB3060.jpg?v=1686681550"},{"product_id":"westinghouse-ehb3070-r-70-amp","title":"Eaton \/ Westinghouse EHB3070 - 70A 3 Pole Molded Case Circuit Breaker","description":"Built for commercial applications, the Eaton EHB3070 provides robust thermal-magnetic overcurrent protection. This 70A, three-pole molded case circuit breaker features a non-interchangeable trip unit and standard load side lugs. Engineered to mount into legacy Westinghouse NEHB panelboards, this E-Frame breaker ensures an exact fit. It serves as an exact drop-in component and is officially replaced by the EHD3070.","brand":"Eaton \/ Westinghouse","offers":[{"title":"Re-Certified","offer_id":45354396614969,"sku":"EHB3070-R","price":214.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EHB3070-R.jpg?v=1686681561"},{"product_id":"square-d-ehb34030-30-amp","title":"Square D EHB34030 - 30A 3 Pole Molded Case Circuit Breaker","description":"Designed to fit Square D NEHB panelboards, this 30A molded case circuit breaker provides essential commercial and industrial power distribution. It serves as an exact match for existing E-frame installations requiring bolt-on connections. While the EHB series is discontinued and replaced by the EDB34030, the newer EDB model requires an NF panelboard for installation. This original unit maintains a 14kAIC rating at 480Y\/277VAC and includes Visi-Trip technology for rapid fault identification.","brand":"Square D","offers":[{"title":"New","offer_id":45354398613817,"sku":"EHB34030","price":1740.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":50440640233785,"sku":"EHB34030-R","price":828.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/EHB34030-3-Pole-Molded-Case-Circuit-Breaker_Square-D_1.jpg?v=1775660845"},{"product_id":"square-d-ehb34040-3-pole-circuit-breaker","title":"Square D EHB34040 - 40A 3 Pole Molded Case Circuit Breaker","description":"Rated for 40 amps, this three-phase molded case breaker offers robust overcurrent defense in industrial environments. It utilizes fixed thermal and magnetic trip elements to safeguard commercial wiring. The bolt-on design installs securely into older NEHB lighting and distribution panels. 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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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/collections\/EDB34030-3-Pole-Circuit-Breaker_SquareD_1.jpg?v=1786244557","url":"https:\/\/superbreakers.com\/collections\/3-pole-circuit-breakers-circuit-breakers.oembed?page=156","provider":"SuperBreakers","version":"1.0","type":"link"}