{"title":"Siemens 100 Amp Circuit Breakers","description":"\u003cp\u003eBrowse over 240 Siemens 100 Amp Circuit Breakers to locate the exact Siemens 100 amp breaker for your electrical panel. This collection covers molded case and miniature circuit breakers in 1-, 2-, and 3-pole configurations, including GFCI models, molded case switches, and main breaker kits.\u003c\/p\u003e\u003ch3\u003eSeries on this page\u003c\/h3\u003e\u003cp\u003eSeries on this page include 3VA5, 3VA6, ED4, BQ, ED6, and QJ.\u003c\/p\u003e\u003ch3\u003ePopular part numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-bqd3100-100-amp\"\u003eBQD3100\u003c\/a\u003e: 100A, 3-pole molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-q3100-100-amp\"\u003eQ3100\u003c\/a\u003e: 100A, 3-pole molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-q2100-100-amp\"\u003eQ2100\u003c\/a\u003e: 100A, 2-pole molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-ed43b100-100-amp\"\u003eED43B100\u003c\/a\u003e: 100A, 3-pole molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-bq2b100-100-amp\"\u003eBQ2B100\u003c\/a\u003e: 100A, 2-pole molded case 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. Next, verify the number of poles and the 100 amp rating. Select from compatible series like BQ, ED4, QJ, or 3VA5, and choose a GFCI type if required. 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\/siemens-qp-breakers\"\u003eSiemens QP Circuit Breakers\u003c\/a\u003e\u003c\/li\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\/siemens\"\u003eSiemens\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/square-d-100-amp-breakers\"\u003eSquare D 100 Amp Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/siemens-afci-breakers\"\u003eSiemens AFCI Circuit Breakers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"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-bq3b100-01-100-amp","title":"Siemens BQ3B100-01 - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed for advanced monitoring needs, the Siemens BQ3B100-01 is a 100-amp, 3-pole molded case circuit breaker. It includes a factory-installed auxiliary switch that allows facility managers to track breaker status remotely. This unit mounts into standard Siemens panelboards using a reliable bolt-on connection. As a direct replacement for the standard BQ3B100, it upgrades existing setups with signaling capabilities. It delivers 10 kAIC of short-circuit protection at 240VAC.","brand":"Siemens","offers":[{"title":"New","offer_id":45354188833081,"sku":"BQ3B100-01","price":148.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/BQ3B100-01_cda11c7c-e12f-4517-8fd4-1b64718c2896.jpg?v=1686677727"},{"product_id":"siemens-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-ee3b100-r-100-amp","title":"Siemens EE3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed for heavy-duty power distribution, the Siemens EE3B100 is a 3-pole, 100A molded case circuit breaker. It delivers reliable thermal-magnetic protection for commercial and industrial facilities requiring consistent performance. This E-Frame breaker installs into Siemens Sentron and older ITE panelboards via a standard bolt-on configuration. If a modern substitute is required, the ED23B100 serves as the exact replacement. It features a 10kAIC rating at 240VAC and includes load side lugs.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354372694329,"sku":"EE3B100-R","price":556.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EE3B100.jpg?v=1686681262"},{"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-ef3b100-r-100-amp","title":"Siemens EF3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial applications, the Siemens EF3B100 is a 3-pole, 100A molded case circuit breaker operating up to 600VAC. It provides reliable long-time and instantaneous (LI) trip functions. This bolt-on unit fits legacy Siemens, I-T-E, and FC-1 panelboards, plus FC-20 switchboards. As an older E-Frame model, it is officially replaced by the ED63B100. Rated at 14kAIC at 480VAC, it features fixed thermal-magnetic settings and includes load side lugs.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45354381967673,"sku":"EF3B100-R","price":964.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EF3B100-R.jpg?v=1686681393"},{"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":"siemens-heb3b100b-3-pole-circuit-breaker","title":"Siemens HEB3B100B - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed for reliable power distribution, the HEB3B100B is a 3-pole, 100A molded case circuit breaker from the Sentron family. It provides fixed thermal and magnetic trip functions to safeguard commercial and industrial electrical systems. This bolt-on unit fits seamlessly into Siemens P1, P2, and P3 panelboards. It serves as a standard component for these panels and is eventually replaced by the HEG3B100B. Boasting a 65kAIC rating at 480VAC, it includes load side lugs and is fully HACR rated.","brand":"Siemens","offers":[{"title":"New","offer_id":45354573693241,"sku":"HEB3B100B","price":2900.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45354573726009,"sku":"HEB3B100B-R","price":1595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/heb3b100b_17bc556a-d10b-4d9c-a22c-106b463afaf1.jpg?v=1686688166"},{"product_id":"siemens-neb3b100b-100-amp","title":"Siemens NEB3B100B - 100A 3 Pole Molded Case Circuit Breaker","description":"Engineered for commercial power distribution, the Siemens NEB3B100B is a 100A molded case circuit breaker from the SENTRON family. It provides robust thermal-magnetic protection for demanding industrial electrical systems. This three-pole MCCB bolts into Siemens P1, P2, and P3 panelboards. For future replacements, this model crosses over to the newer 3VA4110-5ED34-0AA0 breaker. It delivers 85kAIC at 240V and 35kAIC at 480V. The unit is HACR rated and accepts 8-1\/0 AWG wire.","brand":"Siemens","offers":[{"title":"New","offer_id":45354886463801,"sku":"NEB3B100B","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":51706703675705,"sku":"NEB3B100B-R","price":1785.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/NEB3B100B_1_0fb70ff5-4274-4e50-b9a6-899d7d1dd434.jpg?v=1686698401"},{"product_id":"siemens-q2100h-100-amp","title":"Siemens Q2100H - 100A 2 Pole Miniature Circuit Breaker","description":"Providing enhanced short-circuit defense, this 100-amp Type QPH component serves applications requiring higher fault tolerances. The thermal-magnetic mechanism delivers reliable overload protection. Designed for broad compatibility, the unit installs into Siemens EQ, PL, ES, and Ultimate load centers. It also serves as a verified substitute for legacy Murray MP2100H components. With a 22kAIC rating at 120\/240V, the device features common trip functionality and HACR certification.","brand":"Siemens","offers":[{"title":"New","offer_id":45354999054649,"sku":"Q2100H","price":101.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/Q2100-2-Pole-Circuit-Breaker_Siemens_1_a1e7c980-aadf-4585-9089-a37330f85685.jpg?v=1770909974"},{"product_id":"siemens-ref3b100-r-100-amp","title":"Siemens EF3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Operating within commercial environments, this 100-amp device provides essential thermal-magnetic protection. The three-pole configuration supports standard three-phase electrical networks. Designed with a bolt-on mounting style, it integrates into older ITE and Siemens panelboards. Facility managers often utilize this component to service aging enclosures rather than retrofitting with the newer ED63B100 substitute.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45355162534201,"sku":"REF3B100-R","price":620.16,"currency_code":"USD","in_stock":false}]},{"product_id":"siemens-b2100hh-100-amp","title":"Siemens B2100HH - 100A 2 Pole Molded Case Circuit Breaker","description":"Handling severe fault conditions, the Siemens B2100HH delivers robust long-time and instantaneous protection for 120\/240VAC electrical distribution systems. The 100-amp breaker features a sturdy bolt-on connection engineered specifically for Siemens P1 through P5 panelboards. This secure mounting ensures stable performance in high-vibration environments. Standing out with an extra-high 65 kAIC rating, this HBL-type breaker provides superior safety margins and is HACR rated for motor loads.","brand":"Siemens","offers":[{"title":"New","offer_id":45356699025721,"sku":"B2100HH","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/B2100-2-Pole-Circuit-Breaker_Siemens_1_b62899c8-4d2f-4151-b212-406b0cf6e9ea.jpg?v=1768403808"},{"product_id":"siemens-bq3b10000s01-100-amp","title":"Siemens BQ3B10000S01 - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed for three-phase industrial applications, this 100A MCCB provides reliable protection. It features an integrated 120VAC shunt trip, allowing users to remotely open the breaker. The three-pole device mounts into Siemens P1, P2, P3, and legacy ITE panelboards. It offers a secure bolt-on connection and serves as a substitute for BAB3100 and THQB32100. Rated for 10kAIC at 240VAC, the unit utilizes thermal-magnetic technology to clear faults and features a common trip mechanism.","brand":"Siemens","offers":[{"title":"New","offer_id":45356801556793,"sku":"BQ3B10000S01","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/BQ3B10000S01.jpg?v=1691651734"},{"product_id":"siemens-ed42s100a-r-100-amp","title":"Siemens ED42S100A - 100A 2 Pole Molded Case Switch","description":"Built for commercial applications, the Siemens ED42S100A is a 100A, 2-pole molded case switch. It is engineered to provide manual circuit isolation and disconnect functions within electrical distribution systems. This ED-frame device utilizes a bolt-on mounting configuration, making it compatible with Siemens Sentron panelboards. It includes load-side lugs for installation. Operating without thermal trip elements, this non-automatic switch features a self-protective instantaneous override.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356864241977,"sku":"ED42S100A-R","price":299.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ed42s100a_a0cbe528-1000-46c8-803c-ea0ca32b2173.jpg?v=1686728221"},{"product_id":"siemens-ee2b100-r-100-amp","title":"Siemens EE2B100 - 100A 2 Pole Molded Case Circuit Breaker","description":"Designed to handle demanding electrical loads, the Siemens EE2B100 is a two-pole molded case breaker rated for 100 amps. It utilizes a proven thermal-magnetic trip mechanism to deliver essential protection for commercial facilities. This E-frame component features a bolt-on mounting style, making it an exact fit for older ITE and Siemens Sentron panelboards. With a 10kAIC rating at 240VAC, it includes load side lugs and a trip-free mechanism for enhanced system safety.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356891603257,"sku":"EE2B100-R","price":464.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/EE2B100-R_9ce282fa-c3ec-4d25-829d-dfb1a2a19955.jpg?v=1686729179"},{"product_id":"siemens-e23b100-r-100-amp","title":"Siemens E23B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Part of the legacy E-Frame family, this 100-amp, three-pole breaker delivers robust thermal-magnetic protection for commercial facilities. The bolt-on design installs into Siemens P2 and P3 panelboards, alongside older ITE enclosures. It serves as an exact match for existing setups, though it is replaced by the ED23B100 in modern catalogs. Featuring a 10kA interrupting capacity at 240VAC, this HACR-rated unit includes load side lugs and supports reverse feed applications.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45356937707833,"sku":"E23B100-R","price":107.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/E23B100_d0a9bb70-48f3-4aa2-b673-62a3d4aef08a.jpg?v=1686729721"},{"product_id":"ee3s100-r","title":"Siemens \/ ITE EE3S100 - 100A 3 Pole Molded Case Switch","description":"Engineered for commercial applications, the Siemens EE3S100 functions strictly as a non-automatic molded case switch. It delivers safe circuit isolation for systems lacking integrated overcurrent protection. This 3-pole unit mount switch fits legacy ITE and Siemens panelboards, including P1 and P2 series. It provides the exact original fit for systems where the newer ED23S100 is not preferred. Rated for 240VAC, it utilizes a magnetic-only trip mechanism to ensure reliable disconnect performance.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45356966084921,"sku":"EE3S100-R","price":406.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ee3s100_ac05d7fb-5835-434e-b460-46d4b1b12512.jpg?v=1686730232"},{"product_id":"eh3s100-r","title":"Siemens \/ ITE EH3S100 - 100A 3 Pole Molded Case Switch","description":"Engineered for commercial and industrial isolation needs, this 100A non-automatic switch delivers manual disconnect capabilities. It utilizes a magnetic-only trip mechanism, omitting thermal overcurrent protection entirely. This legacy E-Frame component mounts into older ITE enclosures and Siemens P2 or P3 panelboards. It provides a seamless replacement solution for discontinued systems. With a 14kA short-circuit withstand rating at 480VAC, the unit ensures safe maintenance switching.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45356987547961,"sku":"EH3S100-R","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/eh3s100_ac0021ce-3c18-46be-99b3-945b2227aa3a.jpg?v=1686730460"},{"product_id":"et225-3100-r","title":"Siemens \/ ITE ET225-3100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Built to support existing industrial infrastructure, the Siemens ET225-3100 handles 100A loads with proven thermal-magnetic trip technology. It delivers reliable circuit protection for commercial applications operating up to 600VAC or 250VDC. This legacy unit mount breaker integrates seamlessly into ITE CDP-7 and Siemens P4, P5, SB1, and SB2 panelboards without modification. For facilities updating their systems, this exact replacement model is officially superseded by the newer JXD63B100.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357023166777,"sku":"ET225-3100-R","price":458.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/et225-3100-r_34ac9449-b069-47ad-ace2-d1bc4d581845.jpg?v=1686730764"},{"product_id":"ets2639-r","title":"Siemens \/ ITE ETS2639 - 100A 3 Pole Molded Case Circuit Breaker","description":"Designed to protect commercial systems, the Siemens ETS2639 is a 100A, 3-pole molded case circuit breaker. It features fixed thermal and magnetic trip elements for reliable overcurrent protection on 480VAC circuits. This E-Frame breaker is engineered to mount into legacy Siemens P2 and P3 panelboards. It provides a seamless replacement solution for aging infrastructure, and can be cross-referenced with the modern ED63B100. Rated at 25kAIC, the unit comes equipped with load side lugs.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357027426617,"sku":"ETS2639-R","price":316.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/ets2639_9f8cb24c-cd30-4670-93e2-9f4cbb6345c6.jpg?v=1686730866"},{"product_id":"siemens-cqd3100-100-amp","title":"Siemens CQD3100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Part of the Sentron family, this 100-amp, three-pole device provides robust overcurrent protection for commercial and industrial applications. It features a non-interchangeable thermal-magnetic trip unit and is HACR rated for HVAC equipment. Designed specifically for DIN rail mounting, it integrates easily into OEM control panels and machinery enclosures. With an interrupting capacity of 65 kAIC at 240V and 14 kAIC at 480Y\/277V, it handles demanding fault conditions safely.","brand":"Siemens","offers":[{"title":"New","offer_id":45357044072761,"sku":"CQD3100","price":226.23,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":48480517816633,"sku":"CQD3100-R","price":174.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/files\/CQD3100-3-Pole-Circuit-Breaker_Siemens_1.jpg?v=1750353172"},{"product_id":"siemens-eq8681-r-100-amp","title":"Siemens EQ8681 - 100A 2 Pole Molded Case Circuit Breaker","description":"Built for residential applications, the Siemens EQ8681 serves as a 100A primary disconnect for home electrical systems. This thermal-magnetic breaker provides essential long-time and instantaneous trip functions. It installs into Siemens EQ and Ultimate load centers, including PL, ES, PN, and SN series panels. For modern upgrades, this unit is commonly substituted by the MBK100A conversion kit. Rated at 22kAIC at 120\/240V, this bolt-on main breaker ensures high-capacity fault clearing.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45357430833465,"sku":"EQ8681-R","price":53.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/eq8681-r_61b2f29d-f4a0-4973-9b7f-78e68e86af24.jpg?v=1686735565"},{"product_id":"hf3-b100-r","title":"Siemens HF3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"Constructed for reliable overcurrent mitigation, the Siemens HF3B100 is a 3-pole, 100A molded case circuit breaker. This legacy F-Frame unit utilizes fixed thermal and magnetic trip elements to safeguard commercial electrical infrastructure. The breaker mounts securely into Siemens Sentron, P1, P2, and P3 panelboards. When a modern replacement is required, the HHED63B100 serves as the designated substitute. With a 65kAIC capacity at 480VAC, it provides exceptional fault-clearing performance.","brand":"Siemens","offers":[{"title":"Re-Certified","offer_id":45357458817337,"sku":"HF3B100-R","price":1203.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/hf3-b100-r_f086a7d3-3179-470b-b972-4323420cfe4c.jpg?v=1686736357"},{"product_id":"siemens-hq2100bh-100-amp","title":"Siemens HQ2100BH - 100A 2 Pole Molded Case Circuit Breaker","description":"Built for residential and commercial applications, the HQ2100BH is a 2-pole, 100A plug-on molded case circuit breaker. It mounts into compatible Siemens meter combinations and service entrance load centers, providing reliable overcurrent protection. Rated for 120\/240VAC, this Q-Series breaker stands out with an extra-high 100kAIC interrupting capacity and a common trip mechanism, ensuring maximum safety for demanding electrical systems.","brand":"Siemens","offers":[{"title":"New","offer_id":45357519536441,"sku":"HQ2100BH","price":310.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/hq2100bh_3279efa9-cacb-4151-a377-93b4fa7c3cfa.jpg?v=1686737619"},{"product_id":"jk3b100-r","title":"Siemens \/ ITE JK3B100 - 100A 3 Pole Molded Case Circuit Breaker","description":"The Siemens JK3B100 is a 3-pole, 100A molded case circuit breaker designed for commercial power distribution. Built with a rugged JK frame, it provides dependable overcurrent protection. This legacy breaker mounts into Siemens P4 and P5 panelboards, plus older ITE CDP enclosures. It serves as an exact replacement for aging systems and is superseded by the JXD63B100. Rated for 22 kAIC at 480VAC, it features an interchangeable trip unit and adjustable magnetic settings.","brand":"Siemens \/ ITE","offers":[{"title":"Re-Certified","offer_id":45357552075065,"sku":"JK3B100-R","price":538.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/6978\/0537\/products\/jk3-b100_c4487b11-87ea-4930-8210-91f42c2e90a2.jpg?v=1686738300"},{"product_id":"siemens-neb2b100b-100-amp","title":"Siemens NEB2B100B - 100A 2 Pole Molded Case Circuit Breaker","description":"Engineered for heavy-duty power distribution, the Siemens NEB2B100B is a 2-pole, 100A molded case circuit breaker. It operates within the SENTRON family, offering reliable long-time and instantaneous protection. This unit bolts into Siemens P1, P2, P3, P4, and P5 panelboards. If migrating to current-generation hardware, it is replaced by the 3VA5110-5ED21-0AA0. 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