{"title":"Siemens 50 Amp Circuit Breakers","description":"\u003cp\u003eThis collection features Siemens 50 Amp Circuit Breakers. Shoppers can evaluate 1, 2, and 3 pole options for their electrical projects. The catalog includes models from the 3VA5, 3VA4, EF, BQ, and HE series.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll products in this collection feature a 50A amp rating.\u003c\/li\u003e\n\u003cli\u003eAvailable product types include 3 Pole Circuit Breaker, 2 Pole Circuit Breaker, and 1 Pole Circuit Breaker models.\u003c\/li\u003e\n\u003cli\u003eThe NGB series includes 2 pole and 3 pole configurations.\u003c\/li\u003e\n\u003cli\u003eExample products include the \u003ca href=\"\/products\/siemens-he43b050-3-pole-circuit-breaker\"\u003eSiemens HE43B050 - 50A 3 Pole Molded Case Circuit Breaker\u003c\/a\u003e and the \u003ca href=\"\/products\/siemens-neb2b050b-50-amp\"\u003eSiemens NEB2B050B - 50A 2 Pole Molded Case Circuit Breaker\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich series of Siemens 50 Amp Circuit Breakers does SuperBreakers carry?\u003c\/h3\u003e\u003cp\u003eSuperBreakers carries multiple series in this collection. Shoppers can find 3VA5, 3VA4, EF, BQ, and HE series models.\u003c\/p\u003e\u003ch3\u003eWhat pole options do Siemens 50 Amp Circuit Breakers come in?\u003c\/h3\u003e\u003cp\u003eThis collection offers several pole configurations. You can select from 1, 2, and 3 pole options.\u003c\/p\u003e\u003ch3\u003eWhat types of Siemens 50 Amp Circuit Breakers are on this page?\u003c\/h3\u003e\u003cp\u003eThe catalog includes several product types. Options feature 3 Pole Circuit Breaker, 2 Pole Circuit Breaker, and 2 Pole Ground Fault Circuit Breaker models.\u003c\/p\u003e\u003ch3\u003eWhich brand lines are included in Siemens 50 Amp Circuit Breakers?\u003c\/h3\u003e\u003cp\u003eThis collection features products from several brand lines. The catalog includes Siemens, Siemens \/ ITE, and Siemens \/ Murray items.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/siemens-circuit-breakers\"\u003eSiemens Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/50-amp-circuit-breakers\"\u003e50 Amp Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"siemens-he43b050-3-pole-circuit-breaker","title":"Siemens HE43B050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial applications, the Siemens HE43B050 is a 3-pole, 50A molded case circuit breaker from the legacy HE frame family. This bolt-on MCCB installs into Siemens P1, P2, and P3 panelboards. It serves as an exact replacement for older installations and is superseded by the HED43B050. Rated for 25kAIC at 480VAC, it features a trip-free mechanism and HACR certification for heating and cooling equipment.","brand":"Siemens","offers":[{"title":"New","offer_id":45354571137337,"sku":"HE43B050","price":203.21,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45354571170105,"sku":"HE43B050-R","price":203.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/HE43B050_16d4673e-ed60-4d7b-8c88-19747d189553.jpg?v=1686688089"},{"product_id":"siemens-hf3-b050-r-50-amp","title":"Siemens HF3B050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Engineered for heavy-duty power distribution, the Siemens HF3B050 provides reliable thermal-magnetic protection for commercial facilities. This 3-pole, 50-amp molded case circuit breaker features a bolt-on mounting style for secure installation into Sentron P1, P2, and P3 panelboards and switchboards. With a high interrupting rating of 65kA at 480VAC, it ensures robust defense against overloads and short circuits. It is replaced by the newer HHED63B050 model for future upgrades.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354574840121,"sku":"HF3B050-R","price":380.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/HF3-B050-R_46650b68-c70c-431b-ab63-fbb39e687062.jpg?v=1686688190"},{"product_id":"siemens-neb2b050b-50-amp","title":"Siemens NEB2B050B - 50A 2 Pole Molded Case Circuit Breaker","description":"Built for industrial power systems, the Siemens NEB2B050B delivers 50A of thermal-magnetic protection. This 2-pole MCCB utilizes fixed long-time and instantaneous trip settings to defend against overloads and short circuits in demanding environments. The breaker fastens into Siemens P1, P2, and P3 panelboards. If replacing this legacy frame, the 3VA4150-6ED24-0AA0 serves as the modern substitute when paired with a 3VA41 mounting kit. It features an 85kAIC rating at 240V and is HACR rated.","brand":"Siemens","offers":[{"title":"New","offer_id":45354880270649,"sku":"NEB2B050B","price":496.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/NEB2B050B_1.jpg?v=1791474582"},{"product_id":"siemens-ngb2b050b-50-amp","title":"Siemens NGB2B050B - 50A 2 Pole Molded Case Circuit Breaker","description":"Built for demanding electrical systems, this 50A thermal-magnetic device provides reliable overcurrent protection. It features a 100kAIC interrupt rating at 240VAC and 25kAIC at 480Y\/277VAC, making it suitable for commercial environments. The bolt-on design installs securely into Siemens P1, P2, and P3 panelboards. It serves as a robust component within the SENTRON family GB\/GG frames. Standard features include HACR and HID ratings, along with reverse feed capabilities and factory load lugs.","brand":"Siemens","offers":[{"title":"New","offer_id":45354905731385,"sku":"NGB2B050B","price":257.54,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":50438112575801,"sku":"NGB2B050B-R","price":154.04,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/HGB2B050B-2-Pole-Circuit-Breaker_Siemens_1_b5f0f62c-b21f-468b-b631-51ccdc0912a9.jpg?v=1767020500"},{"product_id":"siemens-ngb3b050b-3-pole-circuit-breaker","title":"Siemens NGB3B050B - 50A 3 Pole Molded Case Circuit Breaker","description":"Delivering robust overcurrent protection, this 50A thermal-magnetic breaker comes with factory-installed load lugs for commercial systems. The Siemens NGB3B050B offers a 100kAIC interrupting rating at 240V and 25kAIC at 480Y\/277V. This 3-pole MCCB bolts into Siemens P1, P2, and P3 panelboards. It features fixed long-time and instantaneous (LI) trip functions and is HACR rated for HVAC equipment. For facility upgrades, note this legacy frame is replaced by the newer Siemens 3VA51 series.","brand":"Siemens","offers":[{"title":"New","offer_id":45354912547129,"sku":"NGB3B050B","price":381.77,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45354912579897,"sku":"NGB3B050B-R","price":329.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/NGB3B050B-3-Pole-Circuit-Breaker_Siemens_1.jpg?v=1750188512"},{"product_id":"siemens-ref3b050-r-50-amp","title":"Siemens EF3B050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Designed for commercial power distribution, the Siemens REF3B050 is a 3-pole, 50A molded case circuit breaker rated for 600VAC and 250VDC systems. This bolt-on unit installs into compatible Siemens and I-T-E panelboards or switchboards. It serves as an exact replacement for the legacy ED63B050, ensuring seamless integration into existing E-Frame setups. Featuring fixed thermal magnetic trip units, it delivers reliable LI protection with a 14kAIC rating at 480VAC.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45355160699193,"sku":"REF3B050-R","price":574.95,"currency_code":"USD","in_stock":false}]},{"product_id":"siemens-b350hh-50-amp","title":"Siemens B350HH - 50A 3 Pole Molded Case Circuit Breaker","description":"Part of the Siemens HBL frame family, the B350HH is a 3-pole, 50-amp molded case circuit breaker built for demanding commercial and industrial applications. It features thermal-magnetic trip technology for reliable overload and short-circuit protection. This bolt-on breaker installs into Siemens P1, P2, P3, P4, and P5 panelboards. It includes load side lugs and accepts 8-4 AWG aluminum or 8-6 AWG copper wire. With a robust 65kAIC rating at 240VAC, it safely handles high fault currents.","brand":"Siemens","offers":[{"title":"New","offer_id":45356709511481,"sku":"B350HH","price":208.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/B350HH_fb0cfb51-5922-4c8b-86f2-c79d0440155a.jpg?v=1686725338"},{"product_id":"siemens-be250-50-amp","title":"Siemens BE250 - 50A GFEP Molded Case Circuit Breaker","description":"Part of the BL series, the Siemens BE250 provides 30mA ground fault equipment protection (GFEP) for commercial and industrial systems. Unlike standard 5mA personnel GFCI, this 50A breaker is calibrated to prevent nuisance tripping on equipment like heat trace cables and pumps. Designed for a secure fit, it bolts into Siemens P1, P2, and P3 panelboards. It is the legacy counterpart to the B250EG. This 2-pole thermal-magnetic breaker delivers a 10kAIC rating at 120\/240VAC and is HACR rated.","brand":"Siemens","offers":[{"title":"New","offer_id":45356773376313,"sku":"BE250","price":261.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BE250_1.jpg?v=1782399641"},{"product_id":"siemens-ee1b050-r-50-amp","title":"Siemens EE1B050 - 50A 1 Pole Molded Case Circuit Breaker","description":"Operating at 120VAC, the Siemens EE1B050 delivers 50 amps of reliable circuit protection for commercial environments. This E-frame MCCB incorporates fixed thermal and magnetic trip elements to manage sustained overloads and short circuits. Installation is straightforward with a bolt-on configuration compatible with Siemens Sentron and classic ITE panelboards. The ED21B050 serves as its official substitute. Carrying a 10kAIC rating, it is HACR rated and features a trip-free mechanism.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356888555833,"sku":"EE1B050-R","price":26.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EE1B050-R_1c421155-8c56-480b-a9a2-b1cba46d476f.jpg?v=1686729087"},{"product_id":"siemens-ee2b050-r-50-amp","title":"Siemens EE2B050 - 50A 2 Pole Molded Case Circuit Breaker","description":"Built for commercial and industrial power distribution, the Siemens EE2B050 is a 50A, 2-pole molded case circuit breaker from the legacy E-Frame family. It provides standard thermal-magnetic protection for branch circuits. This bolt-on unit installs into classic ITE and Siemens Sentron panelboards, making it an essential component for maintaining existing infrastructure. Note that this specific model has been superseded by the ED22B050.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356889899321,"sku":"EE2B050-R","price":522.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EE2B050-R_4b4c0519-5fc0-49a2-9376-7db8bf2a0c71.jpg?v=1686729126"},{"product_id":"siemens-e43b050-r-50-amp","title":"Siemens E43B050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Designed to protect commercial power systems, the Siemens E43B050 functions as a 50A, 3-pole molded case circuit breaker. It features a non-interchangeable thermal-magnetic trip unit that provides precise long-time and instantaneous protection. The bolt-on connection ensures a secure fit in Siemens Sentron panelboards, SB switchboards, and older ITE F-Series panels. Delivering an interrupt capacity of 18 kAIC at 480VAC, it is HACR rated and reverse-feed capable for flexible installation.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356939739449,"sku":"E43B050-R","price":194.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/E43B050-R_217664a2-d1e5-4fcb-8463-24c308bf49ee.jpg?v=1686729772"},{"product_id":"siemens-hed43b050l-50-amp","title":"Siemens HED43B050L - 50A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial power distribution, the Siemens HED43B050L is a 3-pole, 50A Sentron ED frame MCCB. It provides reliable thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions. This unit-mount breaker installs into standard enclosures, switchboards, and motor control centers, and includes line and load side lugs. Note that this ED frame model is replaced by the 3VA5150-6ED36-0AA0. Rated 42kAIC at 480VAC, this HACR-rated breaker handles high faults.","brand":"Siemens","offers":[{"title":"New","offer_id":45356957204793,"sku":"HED43B050L","price":548.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/hed43b050_f4936a52-bf92-4d53-b45d-8d53da632a17.jpg?v=1686730081"},{"product_id":"ef2h050-r","title":"Siemens \/ ITE EF2H050 - 50A 2 Pole Motor Circuit Protector","description":"A dependable solution for industrial motor control, the Siemens EF2H050 is a 2-pole, 50A thermal-magnetic breaker. It provides essential trip protection, coordinating with motor starters to prevent equipment damage. This unit-mount component replaces discontinued hardware in legacy ITE and Siemens FC, FCI, and CDP panelboards. Replaced by the newer ED62A050 model, it handles 18kAIC at 240VAC and utilizes fixed thermal and magnetic trips.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45356967723321,"sku":"EF2H050-R","price":242.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ef2h050_84daa222-8c96-49be-a70d-bc7dee3fb20a.jpg?v=1686730264"},{"product_id":"siemens-ef3b050-r-50-amp","title":"Siemens EF3B050 - 50A 3 Pole Molded Case Circuit Breaker","description":"Operating as a crucial safety device for commercial facilities, this 50A molded case circuit breaker features fixed thermal and magnetic trip elements. Installation is straightforward as it bolts into older FC-1 panelboards and FC-20 switchboards from Siemens or I-T-E. When a modern equivalent is required, the ED63B050 serves as the official factory replacement. With an 18kAIC rating at 240VAC, it provides substantial short-circuit protection for aging electrical infrastructure.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356970901817,"sku":"EF3B050-R","price":870.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ef3b050-r_2a27f7a2-ea22-45d2-a756-aa2bcbfec9ce.jpg?v=1686730309"},{"product_id":"siemens-ced63b050l-50-amp","title":"Siemens CED63B050L - 50A 3 Pole Molded Case Circuit Breaker","description":"Belonging to the Sentron ED frame family, this 3-pole, 50A MCCB provides reliable thermal-magnetic protection for commercial and industrial applications. The unit-mount breaker installs into Siemens enclosures, switchboards, and machinery. It comes factory-equipped with line and load lugs for straightforward wire termination. Featuring a current-limiting design, it delivers an exceptional 200kAIC rating at 480VAC to restrict let-through energy and protect sensitive downstream equipment.","brand":"Siemens","offers":[{"title":"New","offer_id":45356978078009,"sku":"CED63B050L","price":1290.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ced63b050l_3abb668e-e69a-4747-b991-5093551c5018.jpg?v=1686730368"},{"product_id":"et100-250-r","title":"Siemens \/ ITE ET100-250 - 50A 2 Pole Molded Case Circuit Breaker","description":"Designed to restore aging electrical infrastructure, this 50A, 2-pole molded case circuit breaker provides essential thermal-magnetic protection. It is built to handle commercial and industrial loads with consistent reliability. This unit installs into legacy ITE and Siemens F-frame panelboards, serving as an exact substitute for the F2B050. It eliminates the need for costly retrofits or adapter kits when maintaining older systems.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357021954361,"sku":"ET100-250-R","price":80.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/et100-250-r_b555ea85-6b89-4cf3-a5dd-4bb8d9032db1.jpg?v=1686730732"},{"product_id":"et100-350-r","title":"Siemens \/ ITE ET100-350 - 50A 3 Pole Molded Case Circuit Breaker","description":"Operating as a crucial safeguard for industrial systems, this 50A thermal-magnetic breaker handles demanding electrical faults. The three-pole configuration is fully HACR rated. Maintenance teams rely on this exact fit for legacy ITE and Siemens F-Frame panelboards, serving as a practical alternative to the F3B050. Featuring a quick-make, quick-break mechanism, it ensures rapid response to overcurrent events. Factory-installed lugs simplify connections for 14-1\/0 AWG conductors.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357022511417,"sku":"ET100-350-R","price":140.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/et100-350-r_bf7cfc40-a515-43ad-8fa4-f72fa910e948.jpg?v=1686730745"},{"product_id":"et4035-r","title":"Siemens \/ ITE ET4035 - 50A 3 Pole Molded Case Circuit Breaker","description":"Built for demanding commercial environments, this 50A thermal-magnetic breaker delivers proven long-time and instantaneous trip functions. It handles up to 600VAC or 250VDC, making it highly versatile for various industrial applications. This component installs into legacy ITE and Siemens F-frame panelboards without requiring retrofitting kits. Facility managers can use this breaker to safely maintain existing systems, as it is the exact predecessor to the F3B050 model.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357024739641,"sku":"ET4035-R","price":161.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/et4035_8f6936cb-d821-4e64-96d7-e446329e7006.jpg?v=1686730802"},{"product_id":"et4064-r","title":"Siemens \/ ITE ET4064 - 50A 3 Pole Motor Circuit Protector","description":"Part of the Siemens legacy lineup, the ET4064 is a 50-amp, 3-pole motor circuit protector. It utilizes an adjustable magnetic-only trip mechanism to safeguard industrial motors against short circuits without interfering with separate overload relays. This unit mount device integrates smoothly into existing motor control centers. It provides a reliable drop-in solution for aging infrastructure and is officially replaced by the FC3050 for future upgrades. It handles up to 600VAC and 250VDC.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357025460537,"sku":"ET4064-R","price":161.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/et4064_c3304458-8aa1-43fb-ad19-214d03969083.jpg?v=1686730821"},{"product_id":"siemens-cqd250-50-amp","title":"Siemens CQD250 - 50A 2 Pole Molded Case Circuit Breaker","description":"A dependable solution for commercial power distribution, the Siemens CQD250 delivers 50A of 2-pole molded case circuit protection. It utilizes a fixed thermal-magnetic trip unit to safeguard critical industrial circuits and equipment from overcurrents. This compact device secures onto standard 35mm DIN rails, making it ideal for OEM panels and control enclosures. Line and load lugs are included for straightforward termination.","brand":"Siemens","offers":[{"title":"New","offer_id":45357042893113,"sku":"CQD250","price":137.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/CQD250.jpg?v=1691557531"},{"product_id":"he2b050-r","title":"Siemens \/ ITE HE2B050 - 50A 2 Pole Molded Case Circuit Breaker","description":"Designed specifically for legacy Siemens and ITE infrastructure, this 50-amp molded case circuit breaker ensures continued operation of commercial facilities. The 2-pole HE2B050 is rated for up to 600VAC and features a rugged bolt-on mounting configuration. It fits perfectly into P1, P2, and P3 panelboards, serving as an exact physical match for aging E-frame components. Equipped with standard LI protection, it provides a 25kAIC interrupting capacity at 480VAC.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357450854713,"sku":"HE2B050-R","price":296.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/he2b050_98dad616-4761-4617-8e6b-4b161a0a18b1.jpg?v=1686736028"},{"product_id":"siemens-heb2b050b-50-amp","title":"Siemens HEB2B050B - 50A 2 Pole Molded Case Circuit Breaker","description":"Engineered for commercial applications, the Siemens HEB2B050B delivers reliable thermal-magnetic protection as a 2-pole, 50A Sentron molded case circuit breaker. It features a bolt-on connection for Siemens P1, P2, and P3 panelboards. For modern upgrades, it is replaced by the 3VA4150-6ED24-0AA0 using a 3VA41 strap kit. Rated 65kAIC at 480VAC and 100kAIC at 240VAC, this HACR-rated breaker safely handles high fault currents and includes load side lugs.","brand":"Siemens","offers":[{"title":"New","offer_id":45357455049017,"sku":"HEB2B050B","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/HEB2B050B_7ddcdf89-d0c6-4518-b624-52ca09e1f975.jpg?v=1686736177"},{"product_id":"siemens-neb3b050b-50-amp","title":"Siemens NEB3B050B - 50A 3 Pole Molded Case Circuit Breaker","description":"The NEB3B050B is a 3-pole, 50A MCCB from the Siemens SENTRON series. Built for commercial use, it features thermal-magnetic trip technology with fixed long-time and instantaneous protection. This NEB frame unit mounts into Siemens P1, P2, and P3 panelboards via a bolt-on connection. It is slated to be replaced by the 3VA4150-5ED34-0AA0 model. Rated for 35kAIC at 480VAC, it provides robust fault protection. The breaker is HACR and HID rated for specialized lighting and HVAC circuits.","brand":"Siemens","offers":[{"title":"New","offer_id":45357697007929,"sku":"NEB3B050B","price":2204.0,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":51359819235641,"sku":"NEB3B050B-R","price":1003.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/neb3b050b_cec49f1a-51a1-4ad7-9a08-7d321e9cf2f9.jpg?v=1686742173"},{"product_id":"siemens-q250-2-pole-circuit-breaker","title":"Siemens Q250 - 50A 2 Pole Miniature Circuit Breaker","description":"Engineered to safeguard 240V circuits, this 50-amp miniature breaker delivers robust thermal-magnetic protection for residential environments. The common trip mechanism ensures both poles disconnect simultaneously. Installation is straightforward as the unit plugs into standard Siemens load centers. Contractors frequently use this model to swap out discontinued MP250 breakers. Featuring an HACR rating, it easily supports heavy-duty air conditioning and refrigeration equipment.","brand":"Siemens","offers":[{"title":"New","offer_id":45357739639097,"sku":"Q250","price":22.62,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":45357739671865,"sku":"Q250-R","price":4.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/Q250-2-Pole-Circuit-Breaker_Siemens_1.jpg?v=1770908444"},{"product_id":"siemens-q350h-50-amp","title":"Siemens Q350H - 50A 3 Pole Miniature Circuit Breaker","description":"Part of the QPH series, the Siemens Q350H is a 3-pole, 50A miniature circuit breaker built for robust electrical protection. It utilizes thermal-magnetic trip technology to defend against overloads and short circuits in commercial or residential settings. This unit mounts into Siemens EQ, PL, ES, and Ultimate load centers. It is also an exact replacement for discontinued Murray MP350 breakers. With a 22kAIC rating at 240V, it safely handles higher fault currents and features Insta-Wire.","brand":"Siemens","offers":[{"title":"New","offer_id":45357744030009,"sku":"Q350H","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/Q350-3-Pole-Molded-Case-Circuit-Breaker_Siemens_1_d298c914-ed93-48fa-84e7-4eb3be49eb82.jpg?v=1773262426"},{"product_id":"siemens-hq2b050-r","title":"Siemens HQ2B050 - 50A 2 Pole Miniature Circuit Breaker","description":"Providing robust protection for commercial and industrial systems, the Siemens HQ2B050 is a 2-pole, 50A miniature circuit breaker. It features a fixed thermal-magnetic trip unit to safeguard critical branch circuits. Engineered for a secure connection, this bolt-on breaker installs into Siemens panelboards. 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