{"product_id":"siemens-lgb1b020-circuit-breaker","title":"Siemens | LGB1B020 | Circuit Breaker | 20A | 1-Pole | 347V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens LGB1B020 Circuit Breaker is a precise, OEM-rated protective device designed to safeguard 347V circuits with a compact 1-pole configuration. With a 20A rating, it interrupts fault currents efficiently to protect wiring and connected equipment, while enabling a quick reset after a trip.\u003c\/p\u003e \u003cp\u003eThis model is ideal for maintenance, retrofit, and replacement projects where exact specifications are required. It slots into compatible Siemens panels where a 1-Pole, 20A, 347V breaker is specified. The part number is the most reliable reference for compatibility—always verify the fitment against your panel catalog before ordering.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 347V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e LGB1B020\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this Siemens breaker stand out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM design from Siemens ensures precise fit and consistent performance in compatible panels and distribution boards.\u003c\/li\u003e\n\u003cli\u003eOptimized for 347V systems, making it a dedicated choice for commercial and industrial installations that rely on higher-voltage distribution.\u003c\/li\u003e\n\u003cli\u003eCompact 1-Pole form factor supports tight spaces in crowded panels while delivering reliable branch-circuit protection.\u003c\/li\u003e\n\u003cli\u003eClear, traceable part reference helps avoid mismatches during maintenance or retrofit work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoutine maintenance replacements for failed breakers in Siemens-equipped installations that require 20A, 1-Pole protection at 347V.\u003c\/li\u003e\n\u003cli\u003eRetrofit projects and panel upgrades where matching ratings minimizes wiring changes and preserves protective coordination.\u003c\/li\u003e\n\u003cli\u003eReplacement in legacy setups that specify LGB1B020 to maintain safety and operational continuity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways confirm fit and ratings against your panel’s labeling before ordering—part number LGB1B020 is your best compatibility reference.\u003c\/li\u003e\n\u003cli\u003ePower down the circuit and test for zero voltage before removing or installing the breaker to ensure safe, effective work.\u003c\/li\u003e\n\u003cli\u003eStore spare breakers in a dry, cool environment to preserve internal mechanisms and accurate labeling for quick cross-checks later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426326728866,"sku":"LGB1B020","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb1b020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}