{"product_id":"siemens-shld69400nt-circuit-breaker","title":"Siemens | SHLD69400NT | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens SHLD69400NT — a robust 400A, 3-pole circuit breaker designed for demanding commercial and industrial electrical environments. Built to protect high-current, three-phase systems, this 600V-rated breaker is ideal for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400A, providing reliable protection for heavy-load circuits and motors in industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-pole design tailored for three-phase distribution, ensuring coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V, suitable for mid- to high-voltage distribution environments common in commercial facilities and industrial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication fit:\u003c\/strong\u003e Specifically useful for maintenance tasks, panel retrofits, and replacement installations where you must match exact specs for compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdentification and compatibility:\u003c\/strong\u003e The part number SHLD69400NT is your most reliable reference when verifying fit with Siemens panels and compatible enclosure systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Siemens SHLD69400NT for your project? It delivers precise, predictable protection for three-phase circuits, reducing the risk of electrical faults that can lead to equipment downtime. By matching the 400A rating and 600V capability, you can confidently upgrade or replace aging breakers without compromising performance or safety.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a distribution panel that serves heavy machinery, pumps, fans, or HVAC equipment in industrial or large commercial facilities.\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact trip characteristics and physical fit are essential for seamless panel modifications.\u003c\/li\u003e \u003cli\u003eReplacement of existing Siemens or compatible breakers when maintaining system continuity and standardization.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, \u003cem\u003econfirm fit and ratings\u003c\/em\u003e to ensure seamless integration with your current panel lineup. Use the SHLD69400NT part number as the definitive reference for compatibility with Siemens panels and verified third-party enclosures. If you’re unsure about bus configuration or mounting footprint, consult your panel documentation or a qualified electrician to avoid mismatches.\u003c\/p\u003e \u003cp\u003eWith the Siemens SHLD69400NT, you’re choosing a trusted, high-current circuit protection solution designed to keep demanding electrical systems running smoothly, safely, and with precision. This is the right choice for professionals who value exact specifications, reliable performance, and straightforward compatibility in 3-phase, 600V environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425651642530,"sku":"SHLD69400NT","price":11129.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-shld69400nt-circuit-breaker-400a-3-pole-600v-684.webp?v=1789437776","url":"https:\/\/www.ampstate.com\/products\/siemens-shld69400nt-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}