{"product_id":"21-a151jd4-circuit-breaker","title":"21-A151JD4 | Circuit Breaker | 250A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe 21-A151JD4 industrial circuit breaker delivers dependable overcurrent protection for demanding electrical installations. Built for maintenance, retrofit, and replacement projects, this unit combines a robust 250A rating with a 600V capacity to safeguard critical circuits without unnecessary downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 21-A151JD4 — the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this part stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn industrial environments, precise matching of specifications matters. The 21-A151JD4 is designed to align perfectly with systems that require its exact rating and trip characteristics, reducing the risk of misfits that can cause improper protection or unexpected outages. By using the exact part number as your compatibility guide, you minimize installation surprises and streamline maintenance planning.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service replacements where the original specifications must be preserved\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade or restore protection in aging switchgear or panels\u003c\/li\u003e \u003cli\u003eSpare inventory for planned downtime, ensuring quick restoration of protective function\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for ordering and installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings on your equipment label and cross-reference with the 21-A151JD4 specifications\u003c\/li\u003e \u003cli\u003eEnsure your panel or switchgear can accommodate a 250A, 600V device with the same trip characteristics\u003c\/li\u003e \u003cli\u003eHave a qualified electrician perform the installation to verify correct wiring and protection settings\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the 21-A151JD4 means prioritizing reliability and precise compatibility for your industrial electrical protection strategy. With clear, specific specifications and a focus on exact part reference, this circuit breaker helps you maintain uninterrupted operation across maintenance, retrofit, and replacement workflows.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426279149730,"sku":"21-A151JD4","price":2010.0,"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\/21-a151jd4-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}