{"product_id":"westinghouse-ma3700s-circuit-breaker","title":"Westinghouse | MA3700S | Circuit Breaker | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse MA3700S Circuit Breaker—a 3-pole protection device engineered for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. With a robust 3‑pole configuration and a 600V rating, this breaker is designed to safeguard three‑phase electrical systems while aligning with established panel setups.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e up to 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MA3700S\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal applications:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e The part number MA3700S is the best reference for ensuring a proper fit\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the MA3700S for your panel\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned for three‑phase protection, this breaker helps maintain consistent circuit integrity across all live legs, reducing the risk of imbalanced loads.\u003c\/li\u003e \u003cli\u003eThe 600V rating makes it suitable for a wide range of commercial and light‑industrial applications, giving you a dependable upgrade path for aging equipment.\u003c\/li\u003e \u003cli\u003eWestinghouse reliability in a retrofit‑friendly package means easier sourcing and a proven track record in legacy installations.\u003c\/li\u003e \u003cli\u003eA single, precise part number (MA3700S) simplifies procurement and compatibility checks, helping you avoid mismatches during replacement projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and ideal scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing worn or obsolete breakers in Westinghouse‑compatible service panels to restore protective coverage without changing other hardware.\u003c\/li\u003e \u003cli\u003eRetrofitting older electrical distributions to support updated equipment in commercial facilities, manufacturing floors, or data center rooms that rely on three‑phase power.\u003c\/li\u003e \u003cli\u003eMaintenance cycles where a like‑for‑like replacement minimizes panel downtime and ensures consistent fault protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel documentation. Rely on the MA3700S part number as the primary compatibility reference to ensure seamless replacement. For installation, engage a qualified electrician, follow proper lockout\/tagout procedures, and verify that the surrounding panel and bus configurations align with the breaker’s specifications. This approach helps maximize protection, minimize downtime, and maintain your system’s electrical integrity.\u003c\/p\u003e \u003cp\u003eChoosing the Westinghouse MA3700S means prioritizing precise compatibility, sturdy three‑pole protection, and a clear path for maintenance and modernization of existing panels. If your project requires a dependable, format‑matched 3‑pole, 600V circuit breaker, the MA3700S is designed to deliver reliable performance when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424393580706,"sku":"MA3700S","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-ma3700s-circuit-breaker-3-pole-600v-837.webp?v=1789350884","url":"https:\/\/www.ampstate.com\/products\/westinghouse-ma3700s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}