{"product_id":"siemens-lgg3b020-20a-600v-3-pole-circuit-breaker","title":"Siemens LGG3B020 - 20 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens LGG3B020—a 20A, 600V, 3-Pole molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and loadcenters. This device leverages a thermal-magnetic trip unit for stable, repeatable protection, helping your electrical system respond quickly to overloads or short circuits while minimizing nuisance trips. Available through AmpState, it’s a trusted choice for professionals prioritizing reliability and panel space efficiency.\u003c\/p\u003e \u003ch2\u003eWhy the LGG3B020 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space, making it easier to fit multiple breakers in tight enclosures without compromising accessibility or future expansion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal sensing for overloads with magnetic tripping for short circuits—reducing the risk of unpredictable trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports three-phase circuits and multi-wire branch circuits, offering versatile protection for modern commercial and light industrial loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20A, 600V rating\u003c\/strong\u003e provides robust protection for a wide range of branch circuits, balancing performance and safety in both low- and mid-range voltage environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e engineered to pair with matching Siemens loadcenters and panelboards, ensuring a seamless, reliable replacement or upgrade.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial settings, covering a broad spectrum of protection needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this breaker solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overcurrent and short circuits by quickly interrupting fault current at the panel level.\u003c\/li\u003e \u003cli\u003eProvides a predictable protection profile with a thermal-magnetic trip curve, reducing nuisance trips and downtime.\u003c\/li\u003e \u003cli\u003eMaximizes panel efficiency by offering a compact form factor that leaves room for future circuit additions or reconfigurations.\u003c\/li\u003e \u003cli\u003eEnsures compatibility with Siemens OEM loadcenters and panelboards, simplifying maintenance, replacements, and inventory management.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eNew installations or upgrades in Siemens OEM panels within residential, commercial, or light industrial electrical spaces.\u003c\/li\u003e \u003cli\u003eReplacement or refurbishment of aging breakers in panelboards that require three-pole, 20A protection for three-phase or multi-wire circuits.\u003c\/li\u003e \u003cli\u003eLoadcenter configurations where space is at a premium but reliable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: LGG3B020\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: 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles\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\u003eWith the LGG3B020, you’re choosing a balanced, purpose-built solution that aligns with standard Siemens panel designs while delivering dependable protection for a wide range of circuits. For electricians and facility managers, this breaker offers a straightforward path to safe, code-compliant electrical distribution in both new builds and retrofits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349822754978,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lgg3b020-20-a-600-v-3-pole-circuit-breaker-ampstate-breakers-183.webp?v=1788733550","url":"https:\/\/www.ampstate.com\/products\/siemens-lgg3b020-20a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}