{"product_id":"siemens-b34000s01-40a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens B34000S01 - 40 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens \u003cstrong\u003eB34000S01\u003c\/strong\u003e — a 40A, 240V, 3-pole bolt-on molded case circuit breaker engineered for dependable branch-circuit protection in panelboards and load centers. Built to perform in demanding environments, it combines robust mechanical mounting with precise electrical protection for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e — secure, vibration-resistant bus connection for consistent electrical contact and long-term reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — provides stable, repeatable protection across temperature changes and varying load conditions, reducing nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e — designed to integrate seamlessly with matching Siemens panelboards and load centers for a clean, code-compliant installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e — ideal for protecting three-phase circuits and distributing power in multi-wire systems where balanced protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across environments\u003c\/strong\u003e — suited for home renovation projects, commercial electrical rooms, and light industrial installations where reliable branch-circuit protection matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\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 B34000S01\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 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\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 \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting branch circuits in new or existing Siemens panelboards and load centers.\u003c\/li\u003e \u003cli\u003eUpgrading or replacing faulty or worn breakers in residential, commercial, and light industrial setups.\u003c\/li\u003e \u003cli\u003eFeeding three-phase equipment or equipment banks that require balanced protection across all phases.\u003c\/li\u003e \u003cli\u003eSituations where a secure bolt-on connection minimizes vibration-induced wear and maintains reliable circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and optimization tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstall only in compatible Siemens panelboards or load centers to ensure proper fit and trip coordination.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque recommendations when securing the bolt-on connection to prevent loosening and arcing.\u003c\/li\u003e \u003cli\u003eUse the 3-pole design to protect all phases of a three-phase circuit and maintain system balance.\u003c\/li\u003e \u003cli\u003ePeriodically inspect for signs of overheating or wear; replace if the trip unit shows degraded performance or physical damage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens B34000S01 for dependable, code-compliant protection that aligns with Siemens OEM panels, delivering precise overcurrent and short-circuit protection where it matters most—your electrical distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349754400930,"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_c2213446-0728-4c1e-8f93-5f89d2129b6a.png?v=1764155940","url":"https:\/\/www.ampstate.com\/products\/siemens-b34000s01-40a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}