{"product_id":"square-d-bda34020y-20a-480v-3-pole-plug-in-circuit-breaker","title":"Square D BDA34020Y - 20 A, 480 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003eBDA34020Y\u003c\/strong\u003e—a 20-amp, 480-volt, three-pole plug-in molded case circuit breaker crafted to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed for fast service and enduring performance, this unit is a reliable cornerstone for commercial, light industrial, and residential‑scale electrical systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRapid plug-in connection\u003c\/strong\u003e: A straightforward plug-in mounting style minimizes downtime during installation or replacement, making upgrades and service fast and straightforward.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines precise thermal protection with instantaneous magnetic trip for robust, repeatable protection against both sustained overloads and high‑energy short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑grade compatibility\u003c\/strong\u003e: Specifically designed to be compatible with matching Square D OEM load centers and panelboards, ensuring a seamless fit and reliable coordination with your existing infrastructure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 480V operation\u003c\/strong\u003e: Ideal for 3-phase commercial or light industrial systems that run at 480V, providing synchronized tripping across all poles for enhanced safety and system protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded‑case durability\u003c\/strong\u003e: Built to withstand the demands of panel environments while delivering stable protection characteristics over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat problems does it solve?\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReduces downtime with a quick, tool-free replacement process in panelboards and load centers designed for plug-in breakers.\u003c\/li\u003e \u003cli\u003eDelivers consistent protection against nuisance trips and unexpected failures thanks to a precise thermal-magnetic trip mechanism.\u003c\/li\u003e \u003cli\u003eEnsures reliable 3‑phase protection in 480V installations, so all poles trip together, preventing unbalanced faults and potential equipment damage.\u003c\/li\u003e \u003cli\u003eSupports streamlined maintenance programs by staying compatible with your existing Square D panel ecosystem, minimizing the need for adapters or rewiring.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUpgrading or replacing breakers in commercial panelboards and load centers that operate at 480V three-phase systems.\u003c\/li\u003e \u003cli\u003eNew installations in settings requiring a 3-pole, 20A protection solution for branch circuits in light industrial equipment or commercial applications.\u003c\/li\u003e \u003cli\u003eReplacement for aging fuse or breaker configurations where fast plug-in installation and reliable thermal-magnetic protection are priorities.\u003c\/li\u003e \u003cli\u003eFacilities seeking OEM‑aligned components to maintain balanced coordination across their electrical distribution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BDA34020Y\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for deployment\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify the panelboard or load center is designed for plug-in breakers in the 3-pole, 480V configuration to ensure proper fit and safe operation.\u003c\/li\u003e \u003cli\u003ePair with other Square D devices in the same family to maintain consistent trip characteristics and coordination across the distribution system.\u003c\/li\u003e \u003cli\u003eWhen performing replacements, power down the circuit and follow your facility’s safety procedures to minimize downtime and ensure a clean, safe swap.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its precise thermal-magnetic protection, fast plug-in installation, and OEM‑level compatibility, the Square D BDA34020Y provides a dependable, long‑term solution for safeguarding critical circuits in panelboards and load centers. Whether you’re upgrading an older installation or equipping a new 480V, three-phase system, this 20A, 3-pole plug-in breaker is designed to deliver consistent, predictable protection you can trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355172524194,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_bdae30a5-42d1-4eae-82e3-be3b9f610a7a.png?v=1764690048","url":"https:\/\/www.ampstate.com\/products\/square-d-bda34020y-20a-480v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}