{"product_id":"siemens-lgb2b125b-circuit-breaker-vl-series-125a-2-pole-600vac-thermal-magnetic-bolt-on-panelboard-mount","title":"Siemens LGB2B125B Circuit Breaker – VL Series – 125A – 2 Pole – 600VAC – Thermal Magnetic – Bolt-On – Panelboard Mount","description":"\u003cp data-start=\"140\" data-end=\"558\"\u003eThe Siemens LGB2B125B is a VL Series molded case circuit breaker designed to provide reliable overload and short-circuit protection for commercial, institutional, and industrial electrical distribution systems. Rated at 125A and 600VAC, this 2-pole breaker is engineered for single-phase applications requiring compact construction, high interrupting capacity, and dependable electrical performance.\u003c\/p\u003e\n\u003cp data-start=\"560\" data-end=\"900\"\u003eEquipped with a thermal-magnetic trip unit featuring Long-Time and Instantaneous (LI) protection functions, the LGB2B125B delivers effective protection against sustained overloads and high-level fault currents. Its high interrupting capacity of 100kA at 240VAC ensures strong fault-clearing performance in demanding electrical environments.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1183\"\u003eBuilt on Siemens’ VL Series (LGB frame), this breaker is designed for panelboard mounting and supports reverse-feed applications, providing installation flexibility. It includes load-side lug terminals and is engineered for secure connections and long-term operational reliability.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1185\" data-end=\"1203\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1205\" data-end=\"1600\"\u003e\n\u003cli data-section-id=\"dwpo3j\" data-start=\"1205\" data-end=\"1232\"\u003eBrand: Siemens Breakers\u003c\/li\u003e\n\u003cli data-section-id=\"mg1dkc\" data-start=\"1233\" data-end=\"1259\"\u003ePart Number: LGB2B125B\u003c\/li\u003e\n\u003cli data-section-id=\"1puc5v3\" data-start=\"1260\" data-end=\"1281\"\u003eSeries: VL Series\u003c\/li\u003e\n\u003cli data-section-id=\"1xrl1b4\" data-start=\"1282\" data-end=\"1323\"\u003eType: LGB Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"1n7n40y\" data-start=\"1324\" data-end=\"1353\"\u003eFrame Type: G Frame (LGB)\u003c\/li\u003e\n\u003cli data-section-id=\"1ssq2xt\" data-start=\"1354\" data-end=\"1395\"\u003eCategory: Molded Case Circuit Breaker\u003c\/li\u003e\n\u003cli data-section-id=\"49b8gp\" data-start=\"1396\" data-end=\"1422\"\u003eMounting Type: Bolt-On\u003c\/li\u003e\n\u003cli data-section-id=\"1d3tnsg\" data-start=\"1423\" data-end=\"1465\"\u003eInstallation Type: Panelboard Mounting\u003c\/li\u003e\n\u003cli data-section-id=\"1vwficb\" data-start=\"1466\" data-end=\"1503\"\u003eProtection Type: Thermal Magnetic\u003c\/li\u003e\n\u003cli data-section-id=\"p0ct1o\" data-start=\"1504\" data-end=\"1556\"\u003eTrip Functions: LI – Long-Time and Instantaneous\u003c\/li\u003e\n\u003cli data-section-id=\"zhqou8\" data-start=\"1557\" data-end=\"1600\"\u003eSpecial Features: Reverse Feed Suitable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1v2p98c\" data-start=\"1602\" data-end=\"1624\"\u003eElectrical Ratings\u003c\/h3\u003e\n\u003cul data-start=\"1626\" data-end=\"1827\"\u003e\n\u003cli data-section-id=\"19f0sh8\" data-start=\"1626\" data-end=\"1650\"\u003eCurrent Rating: 125A\u003c\/li\u003e\n\u003cli data-section-id=\"1t5slu\" data-start=\"1651\" data-end=\"1677\"\u003eVoltage Rating: 600VAC\u003c\/li\u003e\n\u003cli data-section-id=\"g1ar5q\" data-start=\"1678\" data-end=\"1705\"\u003eNumber of Poles: 2 Pole\u003c\/li\u003e\n\u003cli data-section-id=\"vdhrok\" data-start=\"1706\" data-end=\"1724\"\u003ePhase: 1 Phase\u003c\/li\u003e\n\u003cli data-section-id=\"o0ll1b\" data-start=\"1725\" data-end=\"1766\"\u003eInterrupting Capacity: 100kA @ 240VAC\u003c\/li\u003e\n\u003cli data-section-id=\"1bgrh65\" data-start=\"1767\" data-end=\"1827\"\u003eTerminal Configuration: Load Side Lug Terminals Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1uohfrv\" data-start=\"1829\" data-end=\"1845\"\u003eConstruction\u003c\/h3\u003e\n\u003cul data-start=\"1847\" data-end=\"2137\"\u003e\n\u003cli data-section-id=\"gjs8hx\" data-start=\"1847\" data-end=\"1877\"\u003eCompact molded case design\u003c\/li\u003e\n\u003cli data-section-id=\"19qc3tw\" data-start=\"1878\" data-end=\"1912\"\u003eVL Series G-frame construction\u003c\/li\u003e\n\u003cli data-section-id=\"10ro68j\" data-start=\"1913\" data-end=\"1948\"\u003eThermal-magnetic trip mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"1wogizv\" data-start=\"1949\" data-end=\"1983\"\u003eBolt-on mounting configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1hump7d\" data-start=\"1984\" data-end=\"2022\"\u003ePanelboard installation compatible\u003c\/li\u003e\n\u003cli data-section-id=\"lf9xqf\" data-start=\"2023\" data-end=\"2063\"\u003eHigh interrupting capacity structure\u003c\/li\u003e\n\u003cli data-section-id=\"1labyge\" data-start=\"2064\" data-end=\"2100\"\u003eLoad-side lug terminals included\u003c\/li\u003e\n\u003cli data-section-id=\"esjd3s\" data-start=\"2101\" data-end=\"2137\"\u003eDurable industrial-grade housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1bgavjr\" data-start=\"2139\" data-end=\"2152\"\u003eFunctions\u003c\/h3\u003e\n\u003cul data-start=\"2154\" data-end=\"2308\"\u003e\n\u003cli data-section-id=\"1hecu90\" data-start=\"2154\" data-end=\"2177\"\u003eOverload protection\u003c\/li\u003e\n\u003cli data-section-id=\"1ga7cu8\" data-start=\"2178\" data-end=\"2206\"\u003eShort-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"3iwljf\" data-start=\"2207\" data-end=\"2237\"\u003eLong-time delay protection\u003c\/li\u003e\n\u003cli data-section-id=\"1van10e\" data-start=\"2238\" data-end=\"2272\"\u003eInstantaneous fault protection\u003c\/li\u003e\n\u003cli data-section-id=\"dgupsx\" data-start=\"2273\" data-end=\"2308\"\u003eCircuit switching and isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bpec4l\" data-start=\"2310\" data-end=\"2324\"\u003eDimensions\u003c\/h3\u003e\n\u003cul data-start=\"2326\" data-end=\"2404\"\u003e\n\u003cli data-section-id=\"wn44fr\" data-start=\"2326\" data-end=\"2345\"\u003eHeight: 4.99 in\u003c\/li\u003e\n\u003cli data-section-id=\"y9uif9\" data-start=\"2346\" data-end=\"2364\"\u003eWidth: 1.97 in\u003c\/li\u003e\n\u003cli data-section-id=\"117cfvw\" data-start=\"2365\" data-end=\"2383\"\u003eDepth: 2.87 in\u003c\/li\u003e\n\u003cli data-section-id=\"f1nwnu\" data-start=\"2384\" data-end=\"2404\"\u003eWeight: 1.85 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"w00lwu\" data-start=\"2406\" data-end=\"2419\"\u003eStandards\u003c\/h3\u003e\n\u003cul data-start=\"2421\" data-end=\"2451\"\u003e\n\u003cli data-section-id=\"11a7gqd\" data-start=\"2421\" data-end=\"2434\"\u003eUL Listed\u003c\/li\u003e\n\u003cli data-section-id=\"3h4a0l\" data-start=\"2435\" data-end=\"2451\"\u003eCSA Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2453\" data-end=\"2469\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2471\" data-end=\"2730\"\u003e\n\u003cli data-section-id=\"ov2tsh\" data-start=\"2471\" data-end=\"2517\"\u003eCommercial electrical distribution systems\u003c\/li\u003e\n\u003cli data-section-id=\"1w6ailz\" data-start=\"2518\" data-end=\"2544\"\u003eIndustrial panelboards\u003c\/li\u003e\n\u003cli data-section-id=\"1jabemj\" data-start=\"2545\" data-end=\"2574\"\u003eBranch circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1d0v23k\" data-start=\"2575\" data-end=\"2611\"\u003eHigh fault-current installations\u003c\/li\u003e\n\u003cli data-section-id=\"1e1o64u\" data-start=\"2612\" data-end=\"2648\"\u003eInstitutional electrical systems\u003c\/li\u003e\n\u003cli data-section-id=\"utmjxb\" data-start=\"2649\" data-end=\"2693\"\u003eLighting and power distribution circuits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens \/ ITE","offers":[{"title":"NEW","offer_id":48524022415609,"sku":"LGB2B125B","price":896.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/SB-LGB2B125B-1.jpg?v=1781270622","url":"https:\/\/mycircuitbreakers.com\/products\/siemens-lgb2b125b-circuit-breaker-vl-series-125a-2-pole-600vac-thermal-magnetic-bolt-on-panelboard-mount","provider":"My Circuit Breakers","version":"1.0","type":"link"}