{"product_id":"tnia400","title":"ABB TNIA400 - 400A, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe ABB TNIA400 - 400A, Circuit Breaker is a rugged, high-capacity overcurrent protector designed for the most demanding electrical environments. With a 400A rating, this breaker seamlessly guards large feeders and critical circuits across panelboards, switchboards, control panels, and OEM equipment, delivering reliable protection where it matters most.\u003c\/p\u003e \u003cp\u003eKey reasons to choose the ABB TNIA400 include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection\u003c\/strong\u003e built for industrial and commercial installations, enabling robust protection for feeders and essential loads in distribution panels and motor control centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e dependable overcurrent protection\u003c\/strong\u003e that helps minimize downtime and equipment damage by responding quickly to overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile integration\u003c\/strong\u003e suitable for panelboards, switchboards, control panels, and OEM equipment, making it a practical choice for new builds or system upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction for harsh environments\u003c\/strong\u003e designed to withstand the rigors of industrial operation while maintaining stable performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain or feeder protection in distribution panels where large current handling is required.\u003c\/li\u003e \u003cli\u003eProtection within motor control centers to safeguard motors and upstream equipment from overloads.\u003c\/li\u003e \u003cli\u003eOEM equipment assemblies that require a reliable, ready-to-install overcurrent device with proven performance.\u003c\/li\u003e \u003cli\u003eCommercial environments with demanding current requirements that demand consistent, safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations for deployment:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your panelboard or switchboard architecture and confirm correct mounting and sizing for your bus arrangement.\u003c\/li\u003e \u003cli\u003eIncorporate the TNIA400 into your protective coordination plan to balance fast response with selectivity, helping prevent unnecessary outages.\u003c\/li\u003e \u003cli\u003eUse as a robust, drop-in solution where large-current protection is required in distribution panels and motor control centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether upgrading an aging protection scheme or equipping new equipment, the ABB TNIA400 delivers clear, dependable protection for industrial and commercial power systems. It’s a purpose-built solution for applications where safety, reliability, and uptime are non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default","offer_id":46390805364898,"sku":"TNIA400","price":300.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_cc2ecde9-fa95-4dcd-8c42-ad1ab7a2f2cc.png?v=1765380267","url":"https:\/\/www.ampstate.com\/products\/tnia400","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}