{"product_id":"siemens-b340h-40a-3p-240v-circuit-breaker","title":"Siemens B340H 40A 3P 240V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens B340H is a purpose-built bolt-on circuit breaker engineered for dependable protection in panelboards, load centers, and electrical distribution systems. With a 40-amp, 3-pole configuration at 240V, this device delivers robust, multi‑phase protection for demanding electrical circuits while maximizing field service efficiency through a straightforward bolt-on installation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, load centers, and general electrical distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e. The bolt-on design simplifies retrofits and maintenance planning, allowing technicians to replace or upgrade breakers without altering the surrounding architecture. The B340H is specifically chosen when keeping the same part number across service cycles matters—reducing procurement headaches and ensuring consistent compatibility across your electrical footprint.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho should consider the Siemens B340H\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing retrofit work where a stable part number streamlines ordering and inventory control.\u003c\/li\u003e \u003cli\u003eFacilities teams that rely on consistent, predictable components for planned maintenance and future replacements.\u003c\/li\u003e \u003cli\u003eProjects where 3-pole protection at 240V is required to safeguard multi‑phase circuits in distribution systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical benefits\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in aging panels where updating protection is needed without redesigning the electrical distribution layout.\u003c\/li\u003e \u003cli\u003eMaintenance planning that benefits from a known, standardized Siemens part number for easier sourcing and compatibility checks.\u003c\/li\u003e \u003cli\u003eInstallation in systems that demand reliable 3‑pole, 240V protection to guard multi‑phase engines, motors, and feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e AmpState provides the Siemens B340H 40A 3P 240V bolt-on circuit breaker to support reliable upgrades and ongoing service. If you’re unsure about fit or compatibility, you can reach out—we’ll help confirm the right part for your panelboard or load center. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey reassurance\u003c\/strong\u003e: this part is available from AmpState, designed to integrate smoothly with Siemens’ standard protective strategy, and backed by guidance to ensure proper sizing and mounting during installation. If you need help matching a part number or confirming compatibility, message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410890870946,"sku":"B340H","price":523.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-b340h-40a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}