{"product_id":"abb-os400j03-disconnect-switch-2","title":"ABB OS400J03 - 400A, 600V, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB OS400J03, a purpose-built disconnect switch engineered for demanding industrial and commercial electrical systems. Designed to deliver safe, reliable isolation, it supports lockout\/tagout procedures and provides dependable disconnection under load, helping teams maintain uptime while safeguarding personnel during maintenance and servicing.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e OS400J03\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe OS400J03 is built to handle the heavy demands of modern electrical distributions. Its 400A capacity paired with a 600V rating makes it a robust choice for service disconnects, feeder isolation, and equipment lockout in environments where safety and reliability are non-negotiable. By enabling proper lockout\/tagout, it helps ensure that maintenance personnel can work without the risk of unexpected energization.\u003c\/p\u003e \u003ch3\u003eWhy this matters for your operations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced safety during maintenance:\u003c\/strong\u003e Lockout\/tagout compatibility reduces the risk of accidental releases, protecting workers and complying with safety protocols.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable under-load disconnection:\u003c\/strong\u003e Designed to interrupt current reliably when a circuit is energized, minimizing downtime and potential arc-related hazards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurability for long-term use:\u003c\/strong\u003e Built to withstand frequent operation in industrial and commercial settings, supporting sustained performance over years of service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical service entrances and main distribution panels in factories, warehouses, and large facilities.\u003c\/li\u003e \u003cli\u003ePanel builds and retrofit projects where a high-capacity isolation switch is required.\u003c\/li\u003e \u003cli\u003eMaintenance zones where workers rely on safe, verifiable de-energization before servicing equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the ABB OS400J03? electrical engineers, maintenance teams, and facility managers seeking a dependable, high-capacity disconnect switch that aligns with safety protocols and industry standards. If you need a robust solution that clearly communicates isolation, supports lockout\/tagout, and delivers consistent performance under load, the OS400J03 is a strong fit for your electrical infrastructure.\u003c\/p\u003e \u003cp\u003ePractical tip: pair this disconnect switch with clear, enforceable lockout\/tagout procedures and regular inspection of isolation pathways to maximize safety and reliability in daily operations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383731015842,"sku":"OS400J03","price":4210.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_6de57016-4425-4e98-944f-e6fef892f436.png?v=1765252893","url":"https:\/\/www.ampstate.com\/products\/abb-os400j03-disconnect-switch-2","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}