{"product_id":"480-277v-100a-277v-3-phase-pullout-switch","title":"480\/\/277V - 100A, 277V, 3-Phase, Pullout Switch","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for demanding industrial and commercial environments, the 480\/\/277V - 100A, 277V, 3-Phase Pullout Switch delivers reliable on\/off isolation and robust overcurrent protection in a compact, maintenance-friendly package. Its 3-phase, 480Y\/277V configuration makes it ideal for motor disconnects and branch-circuit protection within panelboards and switchgear lineups.\u003c\/p\u003e \u003ch3\u003eWhy this pullout switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage and current versatility:\u003c\/strong\u003e rated for 480\/\/277V with a 100A capacity, supporting both high-demand motors and lighting or control circuits in commercial buildings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase isolation:\u003c\/strong\u003e designed to break all three leads simultaneously for safe de-energization of heavy loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated overcurrent protection:\u003c\/strong\u003e fusible switch architecture provides protection against faults while simplifying panel integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design:\u003c\/strong\u003e streamlined footprint with accessible fusible elements for quick maintenance and minimized downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e motor disconnects, panelboards, branch circuits—where a dependable disconnect is needed in tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged construction for demanding environments:\u003c\/strong\u003e built to withstand industrial vibrations, dust, and temperature variations common in commercial spaces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eIn manufacturing lines with 3-phase motors, this switch provides safe startup and shutdown, reducing wear on starters and electrical components. In commercial facilities, it protects branch circuits and panelboard feeders feeding heavy lighting, HVAC, compressors, and pumps. Its pullout mechanism allows maintenance personnel to isolate circuits quickly without disturbing adjacent protections.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eDesigned to integrate with existing 3-phase distribution setups, this pullout switch is typically installed in appropriate enclosures as part of a larger switchgear assembly. Ensure correct alignment with the supply and load, and verify that the enclosure accommodates the 100A rating and 3-pole configuration. Regular inspections of the handle, contacts, and enclosure seals help maintain reliable operation in dusty or humid environments.\u003c\/p\u003e \u003ch3\u003eWhat makes it a smart choice\u003c\/h3\u003e\n\u003cp\u003eIf you’re upgrading aging disconnects or designing a new 3-phase distribution for 480Y\/277V systems, this pullout switch offers a compact, maintainable solution that consolidates isolation and protection in one device. It reduces wiring complexity and helps streamline maintenance routines, saving time and downtime when routine servicing is required.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390326821026,"sku":"480\/\/277V","price":2802.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_c7f4489e-2a20-4d8e-a1eb-f736a8348027.png?v=1765367944","url":"https:\/\/www.ampstate.com\/products\/480-277v-100a-277v-3-phase-pullout-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}