{"product_id":"siemens-lgb2b070b-70a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens LGB2B070B - 70 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens LGB2B070B is a 70 A, 600 V, 2-pole bolt-on molded case circuit breaker crafted to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for environments where vibration and varying loads are a fact of life, this unit threads directly into compatible OEM panels for a secure, maintenance-friendly protection solution.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRigid bolt-on mounting\u003c\/strong\u003e provides a secure, vibration-resistant bus connection that stays tight through HVAC cycling, motors starting up, and building vibrations—reducing nuisance trips and contact wear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining temperature-based overload sensing with instantaneous magnetic response for short circuits. This means reliable protection across a wide range of ambient temperatures and loading conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to work with matching Siemens and certain OEM panelboards and loadcenters, simplifying upgrades and replacements without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suited for residential, commercial, and light industrial applications, from home service panels to small offices, retail spaces, and equipment rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems it solves\u003c\/h2\u003e\n\u003cp\u003eBy providing precise overcurrent and short-circuit protection, the LGB2B070B helps prevent wiring damage, protects downstream equipment, and reduces fire risk. The bolt-on design minimizes connection looseness that can occur with vibration, while the thermal-magnetic trip ensures fast, predictable responses to faults—so you can maintain system uptime and safety.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging panelboards in residential settings where dependable protection and a robust, vibration-tolerant mount are essential.\u003c\/li\u003e \u003cli\u003eInstalling in light commercial service panels to safeguard branch circuits feeding HVAC, lighting, and office equipment.\u003c\/li\u003e \u003cli\u003eRetrofits in small industrial environments where reliable short-circuit protection and solid bus connections are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow it compares and why it matters\u003c\/h2\u003e\n\u003cp\u003eCompared with alternative mounting styles, the bolt-on approach of the LGB2B070B emphasizes a sturdier connection in environments with movement or vibration. Its thermal-magnetic protection strategy provides a balanced response to common faults, avoiding nuisance trips while still delivering fast isolation when faults occur. This makes it a practical, long-term choice for panel upgrades and new installations where reliability and panel compatibility are priorities.\u003c\/p\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\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: LGB2B070B\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: 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e: 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style\u003c\/strong\u003e: Bolt-on\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 \u003ch2\u003eGetting the most out of your LGB2B070B\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eInstall in panels and load centers that specify compatibility with the LGB series to ensure optimal performance and field reliability.\u003c\/li\u003e \u003cli\u003eFollow panel manufacturer torque specifications for bolt-on mounting to maintain a secure, vibration-resistant connection.\u003c\/li\u003e \u003cli\u003ePair with appropriately rated conductors and protective devices to maintain coordinated protection across the electrical system.\u003c\/li\u003e \u003cli\u003eSchedule routine visual inspections and thermal checks in environments with high ambient temperatures or heavy equipment loading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349822001314,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lgb2b070b-70-a-600-v-2-pole-bolt-on-circuit-breaker-213.webp?v=1788733300","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb2b070b-70a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}