{"product_id":"abb-oes400j3-400a-600v-3-pole-3-phase-disconnect-switch","title":"ABB OES400J3 - 400A, 600V, 3-Pole, 3-Phase, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB OES400J3 — a purpose-built 400A, 600V, 3-Pole, 3-Phase disconnect switch engineered for dependable on\/off isolation and robust overcurrent protection in demanding industrial and commercial environments. This compact fusible switch is designed to fit tight spaces without compromising accessibility or serviceability, making it a reliable cornerstone for critical electrical protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A continuous rating\u003c\/strong\u003e handles motor starters, pumps, conveyors, and other heavy loads with confidence.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase, three-pole design\u003c\/strong\u003e ensures uniform isolation across all lines, simplifying protection coordination and reducing unbalanced faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V compatibility\u003c\/strong\u003e aligns with standard medium-voltage distribution needs in industrial panels and control gear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable form\u003c\/strong\u003e supports easier installation, faster maintenance turnarounds, and straightforward component replacements in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy operators choose the OES400J3\u003c\/h3\u003e\n\u003cp\u003eThe ABB OES400J3 isn’t just a switch—it’s a complete protection solution for motor disconnects, panelboards, and branch circuits. Its fusible switch design delivers reliable isolation and quick fault interruption, helping you meet safety standards while minimizing downtime and maintenance complexity.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor circuits in manufacturing lines and processing plants that require safe shutdown for servicing\u003c\/li\u003e \u003cli\u003ePanelboard sections needing a clear, controlled disconnect point for testing and troubleshooting\u003c\/li\u003e \u003cli\u003eBranch circuits feeding heavy equipment like pumps and fans that benefit from a predictable, centralized isolation point\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cp\u003eUnlike generic disconnects, the OES400J3 blends ABB’s engineering heritage with a compact, serviceable design. The 3-pole, 3-phase configuration guarantees balanced isolation across all legs, while the maintainable fuse-switch construction reduces downtime through quicker part replacement and simplified inspections.\u003c\/p\u003e \u003ch3\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePosition the disconnect for easy front-access operation and routine inspection of terminals and enclosures.\u003c\/li\u003e \u003cli\u003eCoordinate with appropriate fusing and protection schemes to align with local codes and OEM requirements.\u003c\/li\u003e \u003cli\u003eKeep spare fuses and contact assemblies on hand to shorten maintenance windows.\u003c\/li\u003e \u003cli\u003eLabel the disconnect clearly within electrical drawings and on-site tagging to support safe servicing by qualified personnel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: OES400J3 • \u003cstrong\u003eAmperage\u003c\/strong\u003e: 400A • \u003cstrong\u003eVoltage\u003c\/strong\u003e: 600V • \u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole • \u003cstrong\u003ePhase\u003c\/strong\u003e: 3-Phase\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390345236642,"sku":"OES400J3","price":2104.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/abb-oes400j3-400a-600v-3-pole-phase-disconnect-switch-787.webp?v=1788864951","url":"https:\/\/www.ampstate.com\/products\/abb-oes400j3-400a-600v-3-pole-3-phase-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}