{"product_id":"abb-os400j30-disconnect-switch","title":"ABB OS400J30 - 400A, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eABB OS400J30\u003c\/strong\u003e is a purpose-built fused disconnect switch designed for demanding industrial and commercial settings where safe, reliable electrical isolation is non-negotiable. With a 400A rating, this switch delivers dependable disconnection under load while supporting strict lockout\/tagout procedures, helping maintenance teams work with confidence and speed.\u003c\/p\u003e \u003cp\u003eDesigned to integrate smoothly into control and power distribution schemes, the OS400J30 combines robust protection with practical usability. Its fuse-based protection provides a clear, defined point of isolation for servicing downstream circuits, reducing the risk of arc exposure and collateral damage during fault conditions. This means technicians can confidently perform routine maintenance, testing, or circuit swaps without compromising overall system safety.\u003c\/p\u003e \u003ch3\u003eKey benefits that matter in real-world applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A current rating\u003c\/strong\u003e delivers strong, reliable isolation for high-demand feeders and critical loads, helping maintain system integrity in manufacturing floors, facilities, and larger commercial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused protection\u003c\/strong\u003e provides integrated over-current protection, simplifying panel design and reducing the need for additional external protection components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout readiness\u003c\/strong\u003e supports compliant safety procedures, enabling workers to securely off-load and service circuits without accidental re-energization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnder-load disconnection reliability\u003c\/strong\u003e ensures predictable fault isolation across varying load conditions, supporting steady uptime and safer maintenance windows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e built for the rigors of industrial environments, delivering long-term performance even in challenging heat, dust, and vibration scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand and model assurance\u003c\/strong\u003e as ABB’s OS400J30, you gain access to established engineering support, familiar installation practices, and a widely recognized solution in electrical distribution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most from the ABB OS400J30?\u003c\/h3\u003e\n\u003cp\u003eFacilities engineers, maintenance teams, and electrical contractors responsible for medium-to-large power distribution systems will find the OS400J30 a practical choice. It’s ideal for main feeders, subfeed breakers, and critical circuits where immediate isolation is essential for safe work, equipment protection, and compliance with lockout\/tagout standards. It’s well-suited for manufacturing plants, data centers, logistics hubs, and commercial complexes that rely on reliable, ready-to-use electrical isolation.\u003c\/p\u003e \u003ch3\u003eHow this fused disconnect switch solves common problems\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined safety compliance\u003c\/strong\u003e with built-in LO TO compatibility reduces the administrative burden during maintenance windows and audits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImproved fault management\u003c\/strong\u003e through immediate, controlled disconnection of energized circuits, limiting exposure and downstream damage during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimplified spares and maintenance planning\u003c\/strong\u003e thanks to a focused, purpose-built design that minimizes ancillary components and simplifies part replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent performance\u003c\/strong\u003e across varying loads ensures predictable behavior, aiding engineers in planning routine servicing without surprises.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical usage tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair the OS400J30 with standard lockout devices to ensure compliant and auditable isolation procedures during maintenance.\u003c\/li\u003e \u003cli\u003eSchedule periodic inspections of the fuse units and switching mechanism to preserve reliable disconnection under load over the switch’s service life.\u003c\/li\u003e \u003cli\u003eDocument each isolation point in your electrical distribution drawings with the OS400J30 model so technicians can quickly identify the correct disconnect when servicing a circuit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn summary, the ABB OS400J30 400A fused disconnect switch stands out by delivering tangible safety, reliability, and maintenance advantages for demanding electrical environments. Its integrated fuse protection, lockout\/tagout compatibility, and proven durability make it a smart, practical choice for professional contractors and facility teams seeking a dedicated solution for safe, controlled electrical isolation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383648768162,"sku":"OS400J30","price":5010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_fbd1ac96-08d6-4d96-ad36-cd581c4d384e.png?v=1765251705","url":"https:\/\/www.ampstate.com\/products\/abb-os400j30-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}