{"product_id":"siemens-lgb1b025b-25a-347v-1-pole-bolt-on-circuit-breaker","title":"Siemens LGB1B025B - 25 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens LGB1B025B is a purpose-built, 25A, 347V, 1-pole bolt-on molded case circuit breaker engineered to protect your electrical systems with precision. Designed for dependable branch circuit overcurrent and short‑circuit protection, it’s a trusted choice for panelboards and loadcenters where reliability matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration‑resistant bus connection that maintains consistent contact even in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e combines overload and short‑circuit protection, delivering stable, repeatable performance under a wide range of operating conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to be compatible with matching Siemens loadcenters and panelboards, ensuring a cohesive protection system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile reach\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, handling common single‑phase branch circuits with ease.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid electrical performance\u003c\/strong\u003e rated for up to 347V, making it a practical choice for distribution panels in settings that operate above typical residential voltages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic alternatives, the LGB1B025B is built around Siemens’ proven molded‑case technology, delivering predictable tripping characteristics and long‑term reliability. Its bolt-on design simplifies installation in compatible panelboards and loadcenters, reducing setup time while preserving a robust bus connection that resists loosening over time. If your project requires a dedicated single‑pole solution that won’t compromise protection performance in busy electrical spaces, this unit delivers.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal environments\u003c\/h3\u003e\n\u003cp\u003eIdeal for single‑pole branch circuits in residential service panels, small commercial distribution boards, and light industrial panels where compact, dependable overcurrent protection is needed. It’s well-suited for lighting circuits, receptacle runs, and other single‑phase loads within rating limits, providing clear protection separation and easy replacement within Siemens‑equipped systems.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\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 LGB1B025B\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 25A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 347V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure optimal performance, pair this breaker with matching Siemens OEM panelboards or loadcenters. Verify that the panel’s rating supports a 347V single‑pole protector and follow the manufacturer’s torque specs for bolt‑on mounting. Regularly inspect the breaker during routine panel maintenance to confirm the bus connections remain tight and free of corrosion or debris, and replace only with a like‑for‑like Siemens unit to preserve protection characteristics.\u003c\/p\u003e \u003cp\u003eEquip your electrical distribution with a precise, durable protection solution—the Siemens LGB1B025B 25A, 347V, 1‑pole bolt‑on circuit breaker. Built for reliability in residential, commercial, and light industrial environments, it’s a tailored choice for dependable, long‑term circuit protection within Siemens‑equipped systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349821706402,"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_6b2ee4b9-dad8-4d57-a4e6-39b348dd1423.png?v=1764157709","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb1b025b-25a-347v-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}