{"product_id":"siemens-lgb1b100b","title":"Siemens LGB1B100B 100A 1-Pole 347 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens LGB1B100B 100A 1-Pole 347 V Circuit Breaker—a purpose-built protection device designed for reliable overcurrent protection in commercial and industrial electrical systems. Built to safeguard a single hot leg, this breaker shuts down quickly when current spikes occur, helping prevent damage to wiring, devices, and downstream equipment in demanding 347 V distribution environments.\u003c\/p\u003e \u003cp\u003eKey features and what they mean for you:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 A — provides robust protection for high-demand circuits while allowing smooth operation for everyday loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1 — compact, space-saving form factor ideal for single‑line protection in panelboards and distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 347 V — suitable for commercial and industrial setups that utilize 347 V distribution, expanding compatibility beyond standard low-voltage breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LGB1B100B — precise identification ensures straightforward ordering, replacement, and compatibility within Siemens’ LGB1 family.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSiemens build quality you can trust, designed to integrate seamlessly with existing Siemens panels and protection schemes.\u003c\/li\u003e \u003cli\u003eCompact 1-pole design delivers reliable single‑line protection without unnecessary footprint, helping maximize panel real estate.\u003c\/li\u003e \u003cli\u003eClear, predictable tripping behavior reduces downtime and simplifies fault isolation for maintenance teams.\u003c\/li\u003e \u003cli\u003eOptimized for 347 V distribution, making it a practical choice for commercial spaces with higher voltage distribution needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanelboard installations in offices, retail spaces, and light industrial facilities where a single conductor needs protection.\u003c\/li\u003e \u003cli\u003eBranch circuit protection for 347 V lighting and power circuits within commercial buildings.\u003c\/li\u003e \u003cli\u003eReplacement or upgrades in systems that already utilize the LGB1B series, ensuring consistent performance and compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify 100 A, 1-pole, and 347 V ratings match the target circuit requirements before installation.\u003c\/li\u003e \u003cli\u003eEnsure the breaker is compatible with your panel’s bus arrangement and torque specifications are followed during mounting.\u003c\/li\u003e \u003cli\u003ePeriodically inspect connections for signs of loosening or overheating and replace if any irregularities are found.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens LGB1B100B 100A 1-Pole 347 V Circuit Breaker for dependable, targeted protection in commercial and industrial electrical systems. It’s the practical, straightforward solution when you need single‑pole overcurrent protection that aligns with 347 V distribution, backed by Siemens’ proven reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423586177186,"sku":"LGB1B100B","price":2812.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb1b100b","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}