{"product_id":"terasaki-at20l-2000a-690vac-3-pole-air-circuit-breaker","title":"Terasaki AT20L 2000A 690VAC 3 Pole Air Circuit Breaker for Industrial Power Distribution Protection","description":"\u003cdiv\u003e\n\u003cp\u003eThe Terasaki AT20L 2000A 690VAC 3-Pole Air Circuit Breaker is built for demanding industrial and commercial power systems, delivering dependable protection and seamless switching of low-voltage distribution. With a 2000A rating and 690V AC capacity, this three-pole breaker is designed to guard main feeders and switchboards against overloads, short circuits, and distribution faults.\u003c\/p\u003e \u003cp\u003eAs an air circuit breaker, the AT20L combines robust mechanical integrity with precise trip performance, helping facilities minimize electrical disturbances and downtime while protecting valuable equipment and personnel.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability:\u003c\/strong\u003e 2000A rating provides strong protection for large main feeders and critical distribution paths.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e Balanced, three-phase interruption ensures coordinated disconnection across all lines for safer, more reliable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElevated voltage rating:\u003c\/strong\u003e 690VAC suited for heavy-duty industrial power distribution environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAir-based interruption:\u003c\/strong\u003e Class-leading arc quenching and rapid disconnection, reducing fault duration and equipment exposure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdjustable trip settings:\u003c\/strong\u003e Tailor protection to match system risk profiles, enabling precise coordination with other protective devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged reliability:\u003c\/strong\u003e Engineered to withstand the demands of industrial facilities, delivering consistent performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for main incoming feeders, switchboards, and critical power distribution where high interruption capacity and reliable protection are essential. Whether powering manufacturing lines, data centers, or large commercial complexes, the AT20L helps prevent cascading outages by quickly isolating faults and preserving downstream equipment.\u003c\/p\u003e \u003ch3\u003eWhy this matters for your facility\u003c\/h3\u003e\n\u003cp\u003eDense electrical systems require protection that doesn’t compromise uptime. The AT20L provides a robust defense against overloads and short circuits while offering adjustable protection settings to fit your protection coordination plan. By choosing this Terasaki breaker, you can:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMinimize unplanned downtime and equipment damage from electrical faults\u003c\/li\u003e \u003cli\u003eImprove system reliability for critical loads and operations\u003c\/li\u003e \u003cli\u003eAchieve clearer fault discrimination and quicker restoration timelines\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e AT20L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 2000A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 690VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker Type:\u003c\/strong\u003e Air Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor facilities requiring robust three-phase protection with high interruption capacity, the Terasaki AT20L 2000A 690VAC 3-Pole Air Circuit Breaker delivers dependable performance, precise protection, and the reliability you rely on in demanding power distribution environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Terasaki","offers":[{"title":"Default","offer_id":46390481682594,"sku":"AT20L","price":11783.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_9b0dc464-e29d-4338-b152-dae96afa8ca8.png?v=1765373662","url":"https:\/\/www.ampstate.com\/products\/terasaki-at20l-2000a-690vac-3-pole-air-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}