{"product_id":"allen-bradley-1489-m1c100-10a-1p-277v-circuit-breaker","title":"Allen-Bradley 1489-M1C100 10A 1P 277V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eExperience dependable protection for 277V circuits with the \u003cstrong\u003eAllen-Bradley 1489-M1C100\u003c\/strong\u003e. This 1-pole, 10-amp circuit breaker is engineered for panelboards, load centers, and broader electrical distribution applications. Whether you’re upgrading an existing installation, performing a retrofit, or stocking spares to keep your BOM aligned with the original part number, this unit delivers precise protection where it matters most.\u003c\/p\u003e \u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe 1489-M1C100 is designed to fit into systems that require \u003cstrong\u003e1-pole, 10 A, 277V\u003c\/strong\u003e protection. It’s a reliable component within the Allen-Bradley 1489 family, chosen for its compatibility with panelboards, load centers, and distributed electrical networks. Available from AmpState, this part helps maintain the integrity of your electrical protection scheme while enabling straightforward replacements in the field.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1489-M1C100\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 10 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\u003eApplications:\u003c\/strong\u003e Panelboards, load centers, and electrical distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact BOM alignment:\u003c\/strong\u003e engineered to mesh seamlessly with original installations, minimizing compatibility concerns and cross-reference issues.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFast, reliable replacement:\u003c\/strong\u003e ideal for replacement projects and service calls where uptime matters and spare parts are kept on hand.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent protection for 277V circuits:\u003c\/strong\u003e specifically suited for commercial lighting and distribution networks that operate at 277V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStocking efficiency:\u003c\/strong\u003e a dependable spare that helps you maintain inventory accuracy and reduce maintenance lead times.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofitting or refreshing older panelboards and load centers that require a 1-pole, 10 A, 277V breaker.\u003c\/li\u003e \u003cli\u003eMaintaining a ready spare in service vehicles or facilities to speed up emergency replacements without BOM drift.\u003c\/li\u003e \u003cli\u003eReplacement of failed breakers in commercial electrical distribution systems where 277V circuits are common.\u003c\/li\u003e \u003cli\u003eProjects that demand strict adherence to the original part number for warranty and compatibility reasons.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? \u003cstrong\u003eMessage us and we’ll help you confirm fit.\u003c\/strong\u003e This assurance helps you proceed with confidence, knowing the 1489-M1C100 will behave as intended within your electrical distribution scheme.\u003c\/p\u003e \u003ch2\u003eInstallation and handling tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify the target panelboard or distribution equipment accepts 1489-series, 1-pole breakers and operates at 277V.\u003c\/li\u003e \u003cli\u003eFollow all manufacturer installation guidelines and standard electrical safety practices during replacement or retrofit work.\u003c\/li\u003e \u003cli\u003eKeep a spare on hand for proactive maintenance to minimize downtime and maintain BOM integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410869178530,"sku":"1489-M1C100","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\/allen-bradley-1489-m1c100-10a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}