{"product_id":"21-a17fld4-circuit-breaker","title":"21-A17FLD4 | Circuit Breaker | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e21-A17FLD4 Circuit Breaker\u003c\/strong\u003e is an industrial-grade 600V circuit breaker engineered for maintenance, retrofit, and replacement tasks where exact specifications matter.\u003c\/p\u003e \u003cp\u003eDesigned to integrate with standard 600V electrical systems, this breaker provides reliable overcurrent protection while helping minimize downtime during upgrades or service work.\u003c\/p\u003e \u003ch2\u003eKey features and benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V — suitable for a wide range of industrial applications\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 21-A17FLD4 — the best reference for compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e maintenance, retrofit, and replacement when precise specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow to ensure a proper fit\u003c\/h2\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. Rely on the 21-A17FLD4 part number as the primary cross-reference to avoid mismatches in panel design, termination type, or trip characteristics.\u003c\/p\u003e \u003ch2\u003ePractical scenarios\u003c\/h2\u003e\n\u003cp\u003eUse this breaker when upgrading an aging 600V panel, replacing a worn unit that matches the 21-A17FLD4 specification, or performing a retrofit where maintaining exact voltage and form-factor is critical. This approach reduces compatibility issues and minimizes project downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426279182498,"sku":"21-A17FLD4","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-a17fld4-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}