{"product_id":"siemens-vms325b-400a-3-pole-main-switch-vacu-break-series","title":"Siemens VMS325B – 400A, 3-Pole Main Switch – Vacu-Break Series","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSiemens VMS325B\u003c\/strong\u003e — a rugged \u003cem\u003e400 A\u003c\/em\u003e, 3-pole main switch from the \u003cstrong\u003eVacu-Break Series\u003c\/strong\u003e. Built for panelboards and switchboards, this unit delivers dependable load isolation and precise overcurrent protection where it matters most in industrial power distribution.\u003c\/p\u003e \u003cp\u003eAs a key component of Siemens’ Vacu-Break family, the VMS325B is engineered to withstand the demands of demanding environments while integrating smoothly into standard switchgear architectures. It acts as the main control point for feeders, enabling rapid, decisive isolation during maintenance or fault conditions to protect equipment and improve system reliability.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A, 3-pole configuration:\u003c\/strong\u003e robust capacity for main feeders and essential distribution paths in large panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard and switchboard readiness:\u003c\/strong\u003e specifically designed to fit into common industrial electrical layouts where reliable isolation is critical.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVacu-Break lineage:\u003c\/strong\u003e part of Siemens’ trusted Vacu-Break family, known for durable operation and consistent performance in demanding settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise load isolation:\u003c\/strong\u003e enables safe maintenance, reduces the risk of fault propagation, and supports dependable power distribution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial panelboards and switchboards that require a dependable main isolation switch and overcurrent protection.\u003c\/li\u003e \u003cli\u003eFactories, plants, and process environments where large feeders need reliable, centralized switching capability.\u003c\/li\u003e \u003cli\u003eNew installations or retrofits where Siemens Vacu-Break technology aligns with existing switchgear and maintenance practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the \u003cstrong\u003eSiemens VMS325B\u003c\/strong\u003e, you’re choosing a purpose-built main switch that prioritizes dependable operation, straightforward integration, and targeted protection for high-demand electrical distributions. It’s a practical, long-term solution for anyone designing, building, or maintaining robust industrial power systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46361520701602,"sku":"VMS325B","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/panel_mount_switches_p1_ca925cdd-591a-411b-919b-2934af4a4f02.png?v=1764703988","url":"https:\/\/www.ampstate.com\/products\/siemens-vms325b-400a-3-pole-main-switch-vacu-break-series","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}