{"product_id":"ja21250mw-circuit-breaker","title":"JA21250MW | Circuit Breaker | 250A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe JA21250MW circuit breaker is a rugged, industrial-grade protection device designed for demanding 600V electrical systems. With a 250A rating and a 2-pole configuration, it provides reliable safeguarding for critical circuits in manufacturing facilities, data centers, and large commercial installations. This breaker is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 250A continuous protection to handle startup surges and load swings without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 2-Pole design to shield paired live conductors in 600V circuits, offering coordinated protection across the circuit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V applicability, making it suitable for mid- to high-voltage panel protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference\u003c\/strong\u003e: The part number JA21250MW serves as the most reliable guide for matching replacements or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use\u003c\/strong\u003e: Ideal for maintenance, retrofit, and replacement scenarios where these exact specs are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to ensure a proper fit before ordering: verify that your panel or switchgear label supports 250A, 2-pole, and 600V operation, and use JA21250MW as the primary compatibility reference. Cross-check the physical footprint and mounting style to ensure seamless installation in your enclosure.\u003c\/p\u003e \u003ch3\u003eBest-use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging protection in industrial Mitsubishi\/MER or similar 600V distribution panels where a 2-pole, 250A breaker is specified.\u003c\/li\u003e \u003cli\u003eRetrofits in facilities undergoing voltage or configuration changes, maintaining the exact trip characteristics and protection level you rely on.\u003c\/li\u003e \u003cli\u003eRoutine replacements during preventive maintenance to minimize downtime and keep systems compliant with existing wiring schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your operation: selecting the JA21250MW means choosing a part that aligns with your existing protection scheme, reduces compatibility risk, and simplifies procurement by using the exact reference needed for fast, accurate ordering. For technicians and procurement teams, it’s a straightforward path to dependable circuit protection with clear fit guidance and predictable performance in 600V environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426159186082,"sku":"JA21250MW","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/ja21250mw-circuit-breaker-250a-2-pole-600v-339.webp?v=1789524324","url":"https:\/\/www.ampstate.com\/products\/ja21250mw-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}