{"product_id":"siemens-lgg3b125l-125a-600v-3-pole-circuit-breaker","title":"Siemens LGG3B125L - 125 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens LGG3B125L — a rugged 125 A, 600 V, 3-pole molded case circuit breaker built to guard your panelboards and loadcenters against overcurrent and short circuits. Designed for dependable performance in residential, commercial, and light industrial environments, this device pairs compact engineering with serious protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient molded case design\u003c\/strong\u003e frees up panel space and simplifies installation without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overcurrent and short-circuit events, enhancing reliability over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e suited for three-phase distribution, providing coordinated protection across multiple conductors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125 A at 600 V\u003c\/strong\u003e capability covers a wide range of branch circuits and equipment in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e works with matching Siemens load centers and panelboards for straightforward, plug-and-play upgrades or replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for upgrading existing installations, new builds, or retrofits where dependable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe LGG3B125L is purpose-built to protect critical electrical infrastructure during routine operation and fault conditions. Its compact form factor fits tight panel assemblies, while the thermal-magnetic trip unit provides predictable response, helping prevent damage to wiring, devices, and downstream equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e from this breaker? Electrical contractors, facilities managers, and maintenance teams seeking a reliable, code-compliant solution for three-phase distribution in offices, retail spaces, light manufacturing, and other commercial environments. It’s also a solid choice for panelboard refresh projects where compatibility with Siemens OEM equipment matters.\u003c\/p\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LGG3B125L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and handling should be performed by a qualified electrician, with careful verification of panelboard compatibility and adherence to manufacturer instructions. The Siemens LGG3B125L delivers precise protection where it matters most, helping you maintain safe, reliable electrical service across a range of spaces and loads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355131728034,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_5126bb12-f1d8-4a55-8c27-7b50be230774.png?v=1764689459","url":"https:\/\/www.ampstate.com\/products\/siemens-lgg3b125l-125a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}