{"product_id":"1489-a1d050","title":"Allen-Bradley 1489-A1D050 - 2A, 277VAC, 1-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Allen-Bradley 1489-A1D050—a compact, industrial-grade circuit breaker engineered for precise overcurrent protection in demanding electrical panels. With a 2A rating at up to 277VAC and a 1-Pole design, this breaker delivers dependable protection exactly where small control circuits and critical loads need it most.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 2A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 277VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial, commercial, and OEM environments requiring reliable overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eThe 1489-A1D050 is designed for situations where the protection threshold must be exact and dependable. Its 2A rating makes it ideal for protecting control circuits, signaling lines, and small-motor loads without unnecessary trips on normal operation. The 277VAC rating aligns with common commercial and industrial distribution schemes, helping you safeguard panels and MCCs without over-spec’ing components.\u003c\/p\u003e \u003ch3\u003eWhere it shines\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboards and switchboards:\u003c\/strong\u003e Enables clean, reliable protection for centralized control circuitry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControl panels:\u003c\/strong\u003e Guards low-current control logic and peripheral loads with precise trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMotor control centers (MCCs) and OEM equipment:\u003c\/strong\u003e Fits into existing 1489-series and similar layouts for streamlined maintenance and parts compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical usage tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify system voltage and load compatibility before installation to ensure the 277VAC rating matches your distribution scheme.\u003c\/li\u003e \u003cli\u003ePair with matching bus configurations and enclosure space to maximize panel density and ease of replacement.\u003c\/li\u003e \u003cli\u003eUse in environments where quick, predictable interruption of fault currents protects both equipment and operators.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eMaintenance technicians, electrical engineers, and OEM designers working on industrial control systems will appreciate the precision, reliability, and space-efficient profile of this 1-Pole breaker. It’s a practical choice when you need targeted protection for small, sensitive loads within larger, 277VAC distribution networks.\u003c\/p\u003e \u003cp\u003eChoose the Allen-Bradley 1489-A1D050 for focused, dependable overcurrent protection that keeps control circuits safe, panels organized, and equipment running smoothly in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":46391163355298,"sku":"1489-A1D050","price":32.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_57e7f9c0-fc1e-4140-85e2-8c2db31fb0b3.png?v=1765382281","url":"https:\/\/www.ampstate.com\/products\/1489-a1d050","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}