{"product_id":"westinghouse-hma3500-circuit-breaker","title":"Westinghouse | HMA3500 | Circuit Breaker | 500A | 3-Pole | 600V | 35kA","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse HMA3500 Circuit Breaker—a rugged, three-pole protective device built for reliability in demanding 600V systems. With a 500A continuous rating and a robust 35kA interrupting capacity, this breaker is engineered for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 500A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 35kA\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned to uphold Westinghouse’s longstanding commitment to safety and performance, the HMA3500’s 3-pole configuration provides balanced, three-phase protection across your distribution circuits. The 35kA interrupting capacity ensures reliable fault interruption, helping to minimize collateral damage to panelboards and downstream equipment when a fault occurs. This isn’t a generic replacement—it’s a purpose-built solution for serious, real-world electrical protection.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits and replacements in existing 600V systems where the HMA3500 precisely matches the original spec\u003c\/li\u003e \u003cli\u003eNew installations in commercial or light industrial panels that require solid three-phase protection\u003c\/li\u003e \u003cli\u003eMaintenance projects aiming to standardize protection across three phases with a proven, durable device\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your equipment. The part number HMA3500 is the best reference for compatibility with your panel or switchgear. When replacing an older unit, verify that the bus arrangement, mounting style, and trip characteristics align with your protection scheme. Installation and testing should be performed by a qualified electrician in accordance with local electrical codes.\u003c\/p\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cp\u003eKeep a spare HMA3500 on hand for planned maintenance or rapid replacements. Store in a dry, cool environment to preserve performance, and handle carefully to maintain reliable high-current operation when installed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424397971618,"sku":"HMA3500","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/westinghouse-hma3500-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}