{"product_id":"eaton-wms1d03-3a-1p-277v-circuit-breaker","title":"Eaton WMS1D03 3A 1P 277V Circuit Breaker, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Eaton for reliable circuit protection in commercial and industrial spaces, the WMS1D03 is a 1-pole, 3-amp circuit breaker designed for panelboards, load centers, and electrical distribution systems. Its plug-on design supports fast, straightforward installation in 277V circuits, helping technicians minimize downtime during panel maintenance or upgrades.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 3 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1 Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WMS1D03\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis device is specifically intended for replacement projects and spare stocking to keep your bill of materials (BOM) aligned with the original part number. By matching the exact WMS1D03 specification, you ensure seamless compatibility with existing Eaton panels and distribution setups, reducing the risk of mismatched components and simplifying procurement.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIdeal for replacing worn or failed breakers in panelboards and load centers that serve 277V circuits.\u003c\/li\u003e \u003cli\u003eSupports spare inventory strategies by preserving BOM integrity and minimizing downtime during service calls.\u003c\/li\u003e \u003cli\u003ePerfect for projects where a 1-pole, 3A protective device is the correct fit for lightweight branch circuits and lighting controls.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413647577250,"sku":"WMS1D03","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/eaton-wms1d03-3a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}