{"product_id":"lab21750smw-circuit-breaker","title":"LAB21750SMW | Circuit Breaker | 400A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the LAB21750SMW industrial circuit breaker — a purpose-built protection device designed for demanding electrical environments where reliability and precise specs matter. This 400A, 2-Pole unit is tailored for maintenance, retrofit, and replacement projects, ensuring your system stays protected while you upgrade or service critical infrastructure.\u003c\/p\u003e \u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LAB21750SMW\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended use:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this LAB21750SMW stands out\u003c\/h2\u003e\n\u003cp\u003eThis circuit breaker is purposefully matched to high-demand applications that require a precise 400A, 2-Pole, 600V protection solution. Its design centers on compatibility and reliability: the part number LAB21750SMW is the best reference for ensuring you’re selecting the correct device for your panel or enclosure. When you’re updating equipment or performing a retrofit, this unit provides a straightforward path to restoring safe operation without compromising system integrity.\u003c\/p\u003e \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance projects where a direct fit replacement is essential to minimize downtime\u003c\/li\u003e \u003cli\u003eRetrofits that require upgrading protection to a 400A, 600V two-pole configuration\u003c\/li\u003e \u003cli\u003eReplacement of aging protective devices to restore reliable overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility \u0026amp; fit guidance\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, verify that the LAB21750SMW matches your system’s specifications. Key checks include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage alignment: ensure your circuit operates at or near 400A\u003c\/li\u003e \u003cli\u003eVoltage rating: confirm 600V compatibility with your equipment and distribution panels\u003c\/li\u003e \u003cli\u003ePole configuration: confirm a 2-Pole design suits your wiring and safety requirements\u003c\/li\u003e \u003cli\u003eReference the part number LAB21750SMW as the definitive compatibility guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese steps help guarantees a correct, safe fit and reliable performance in your application.\u003c\/p\u003e \u003ch2\u003eInstallation, safety and best practices\u003c\/h2\u003e\n\u003cp\u003eHandle with care and follow standard electrical safety protocols when installing or replacing circuit breakers. If you’re unsure about panel compatibility or wiring configurations, consult a licensed electrician. Proper installation protects both personnel and equipment while ensuring the device performs within its rated specifications.\u003c\/p\u003e \u003ch2\u003eCare, maintenance and longevity\u003c\/h2\u003e\n\u003cp\u003eTo extend service life, store replacement units in their original packaging until installation, and inspect for any transport or handling damage before use. Regular system checks should include verifying that protection levels remain aligned with the 400A, 2-Pole, 600V ratings to maintain optimal safety margins.\u003c\/p\u003e \u003ch2\u003eOrdering and support\u003c\/h2\u003e\n\u003cp\u003eThe LAB21750SMW is positioned as a precise, compatible option for projects that demand exact specifications. Use the part number LAB21750SMW as your primary reference when sourcing or documenting the replacement, retrofit, or maintenance item. If you need confirmation of fit, refer to your panel documentation and current protection scheme, then proceed with sourcing this exact unit for a reliable restoration of protection capabilities.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426410483874,"sku":"LAB21750SMW","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/lab21750smw-circuit-breaker-400a-2-pole-600v-720.webp?v=1789572457","url":"https:\/\/www.ampstate.com\/products\/lab21750smw-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}