{"product_id":"allen-bradley-4983-ds277-804","title":"4983-DS277-804","description":"\u003ch2\u003eOverview of Allen Bradley 4983-DS277-804\u003c\/h2\u003e\nThe Allen Bradley 4983-DS277-804 is a DIN rail-mounted surge protective device engineered to safeguard sensitive equipment from damaging overvoltage events in industrial power systems. Compatible with 480Y\/277 VAC, this surge suppressor integrates directly into main electrical panels for both 1-phase and 3-phase applications. The 4983-DS277-804 leverages metal oxide varistor (MOV) technology to efficiently clamp high-voltage surges, providing a reliable first line of defense against transient events caused by lightning or switching operations. Its modular form factor ensures ease of installation and maintenance, while compliance with UL 1449 and multiple international standards underscores its suitability for demanding environments such as manufacturing facilities, critical infrastructure, and automation control panels. This model is well-suited for users requiring industry-recognized certification, consistent performance, and straightforward replacement indication.\n\n\u003ch2\u003eKey Features of Allen Bradley 4983-DS277-804\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRated for 480Y\/277 VAC systems with 80kA surge capacity.\u003c\/li\u003e\n  \u003cli\u003eDIN rail mounting for fast installation in standard panels.\u003c\/li\u003e\n  \u003cli\u003eParallel connection type and 4-pole configuration.\u003c\/li\u003e\n  \u003cli\u003eVisual status indicator with green LED for easy diagnostics.\u003c\/li\u003e\n  \u003cli\u003eUL 1449, CE, CSA, cURus certified for global market compliance.\u003c\/li\u003e\n  \u003cli\u003eMOV technology for fast and effective surge clamping.\u003c\/li\u003e\n  \u003cli\u003eOperating temperature from -40°C to +80°C.\u003c\/li\u003e\n  \u003cli\u003eRemote signaling capability for integration with monitoring systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 4983-DS277-804\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal Voltage: 480Y\/277 VAC\u003c\/li\u003e\n  \u003cli\u003eSurge Capacity: 80kA\u003c\/li\u003e\n  \u003cli\u003eConfiguration: 4-pole\u003c\/li\u003e\n  \u003cli\u003eMounting: DIN rail\u003c\/li\u003e\n  \u003cli\u003eConnection Type: Parallel\u003c\/li\u003e\n  \u003cli\u003eStatus Indicator: Green LED, remote signaling\u003c\/li\u003e\n  \u003cli\u003eResponse Time: \u0026lt; 0.5 ns (normal mode)\u003c\/li\u003e\n  \u003cli\u003eCertifications: UL 1449, CE, CSA, cURus\u003c\/li\u003e\n  \u003cli\u003eOperating Temperature: -40°C to +80°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\nIndustrial users rely on the Allen Bradley 4983-DS277-804 to protect electrical infrastructure and reduce downtime caused by surges originating from lightning strikes, switching events, or utility issues. Typical installations include main switchboards, motor control centers, automation panels, and electrical distribution boards in environments like manufacturing, water treatment, commercial buildings, and process automation. Its high surge capacity and full compliance with global standards make it appropriate for critical assets, PLCs, drives, and control networks requiring continuous uptime and asset longevity. The 4-pole design ensures comprehensive protection across all phases and neutral, while remote signaling enhances integration into facility management and monitoring platforms.\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/allen-bradley\" target=\"_blank\"\u003eView All Allen Bradley Products\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/examples-of-industrial-automation-control-systems\" target=\"_blank\"\u003eExamples of Industrial Automation and Control Systems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-194e-sy\" target=\"_blank\"\u003eShop Allen Bradley 194E-SY Disconnect Switches\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-1321-3r18-b\" target=\"_blank\"\u003eAllen Bradley 1321-3R18-B Power Resistor Assemblies\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870769758507,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_dd64d89f-bbec-4a4f-a33b-6c18b198aa86.png?v=1723532525","url":"https:\/\/leadtime.ca\/products\/allen-bradley-4983-ds277-804","provider":"LEADTIME","version":"1.0","type":"link"}