{"product_id":"abb-a1a100tw-2-100a-2p-240v-circuit-breaker","title":"ABB A1A100TW-2 100A 2P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB A1A100TW-2 100A 2P 240V Circuit Breaker — a rugged, reliable solution for everyday electrical protection. Built for panelboards, load centers, and distribution networks, this two-pole device delivers solid fault protection for 240V circuits while supporting retrofit projects and maintenance workflows with a consistent part number.\u003c\/p\u003e \u003cp\u003eDesigned with retrofit work and ongoing maintenance in mind, the A1A100TW-2 helps technicians minimize downtime by enabling like-for-like replacements without reconfiguring your electrical layout. The 100A rating makes it a practical choice for main feeders or critical branch circuits in residential, commercial, or light industrial environments where dependable protection and quick installation matter.\u003c\/p\u003e \u003ch3\u003eWhat makes the ABB A1A100TW-2 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 100A, 240V design:\u003c\/strong\u003e Delivers simultaneous protection for both legs of standard 240V circuits, helping maintain system safety and reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandardized part number for easier maintenance:\u003c\/strong\u003e A1A100TW-2 supports consistent inventory and seamless retrofits, reducing planning complexity during service or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard \u0026amp; load center compatibility:\u003c\/strong\u003e Optimized for distribution configurations where reliable circuit protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProven ABB engineering:\u003c\/strong\u003e Built for regular electrical work with predictable performance when faults occur.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where keeping the same part number simplifies procurement and installation.\u003c\/li\u003e \u003cli\u003eMaintenance planning for aging panelboards and distribution boards requiring dependable 240V protection.\u003c\/li\u003e \u003cli\u003eReplacement in existing installations that call for a 2-pole, 100A, 240V breaker without altering system wiring.\u003c\/li\u003e \u003cli\u003eUpgrades to improve protection in electrical distribution with minimal downtime and inventory disruption.\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 \u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A1A100TW-2\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 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Circuit protection in panelboards, load centers, and electrical distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412818907298,"sku":"A1A100TW-2","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/abb-a1a100tw-2-100a-2p-240v-circuit-breaker-ampstate-breakers-431.webp?v=1789028760","url":"https:\/\/www.ampstate.com\/products\/abb-a1a100tw-2-100a-2p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}