{"product_id":"pt333-100a-277v-3-pole-disconnect-switch","title":"PT333 - 100A, 277V, 3-Pole, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003ePT333 - 100A, 277V, 3-Pole, Disconnect Switch is a rugged solution designed to deliver reliable on\/off isolation and overcurrent protection in demanding industrial and commercial environments. Its 3-Pole configuration ensures complete phase separation, so when you switch off, every line in a three-phase circuit is safely disconnected for maintenance and protection.\u003c\/p\u003e \u003cp\u003eKey specifications:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PT333\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this disconnect switch stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eComplete three-phase isolation\u003c\/strong\u003e—the 3-Pole design ensures every conductor is disconnected, reducing risk during servicing of motors and other three-phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintenance-friendly design\u003c\/strong\u003e—built for tight panel spaces and straightforward servicing in busy industrial and commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated protection\u003c\/strong\u003e—the fusible switch concept supports reliable overcurrent protection while keeping maintenance practical and predictable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction for harsh environments\u003c\/strong\u003e—engineered to endure the demands of demanding installations where reliability matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile deployment\u003c\/strong\u003e—well-suited for motor disconnects, panelboards, and branch-circuit protection wherever a compact, easy-to-service solution is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on three-phase equipment such as pumps, compressors, conveyors, and other industrial machinery\u003c\/li\u003e \u003cli\u003eMain or branch protection within panelboards and distribution sections of commercial facilities\u003c\/li\u003e \u003cli\u003eDedicated disconnect points for critical circuits in HVAC systems, manufacturing lines, and process equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical outcomes you can expect\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFaster, safer maintenance through reliable isolation of all phases\u003c\/li\u003e \u003cli\u003eImproved protection for motors and connected loads against overloads and short circuits\u003c\/li\u003e \u003cli\u003eSpace-efficient integration that simplifies retrofits and new installations alike\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eMaintenance and best practices\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFollow manufacturer guidelines for servicing fusible switch systems\u003c\/li\u003e \u003cli\u003eLabel PT333's position clearly within your protection scheme to aid quick identification during servicing\u003c\/li\u003e \u003cli\u003eSchedule periodic inspections of connections and actuation to ensure consistent isolation and protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe PT333 - 100A, 277V, 3-Pole, Disconnect Switch brings a focused, purpose-built solution to your electrical distribution needs, delivering dependable isolation and targeted overcurrent protection where reliability and space efficiency matter most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390362013858,"sku":"PT333","price":621.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/pt333-100a-277v-3-pole-disconnect-switch-659.webp?v=1788867211","url":"https:\/\/www.ampstate.com\/products\/pt333-100a-277v-3-pole-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}