{"product_id":"square-d-fap34040-black-circuit-breaker","title":"Square D | FAP34040-BLACK | Circuit Breaker | 40A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eProtect critical 3‑phase electrical circuits with the Square D FAP34040-BLACK Circuit Breaker. Rated at 40A and designed for 480V systems, this three-pole unit delivers reliable overcurrent protection for industrial panels, motor drives, and heavy-duty feeders. Ideal for maintenance, retrofit, or replacement projects, it helps you preserve equipment uptime and safety with a trusted Square D build.\u003c\/p\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 40A dynamic protection for moderate to high‑demand loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole configuration supports standard 3‑phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 480V for industrial distribution and equipment applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel reference\u003c\/strong\u003e: FAP34040-BLACK ensures precise compatibility with matching panels and assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication fit\u003c\/strong\u003e: Built for maintenance, retrofit, and replacement where exact specifications are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications at a Glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 40A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 480V\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eModel: FAP34040-BLACK\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal Use Scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing older panels in manufacturing lines, HVAC systems, or processing equipment that operate on 480V three-phase power.\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact part compatibility minimizes downtime and reorder risk.\u003c\/li\u003e \u003cli\u003eMaintenance cycles for industrial facilities requiring durable, field-proven protection for motor feeders and distribution circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy This Model Stands Out\u003c\/h2\u003e\n\u003cp\u003eChoosing the FAP34040-BLACK means selecting a dependable, OEM-aligned solution from Square D that aligns with your existing panel labeling and protective coordination. The three-pole design ensures balanced protection across all three phases, helping prevent unbalanced loads and potential damage to motors and drives. With the best compatibility reference being the part number, you can confidently source the exact replacement without aftermarket guesswork.\u003c\/p\u003e \u003ch2\u003eCompatibility and Installation Tips\u003c\/h2\u003e\n\u003cp\u003eImportant: Confirm fit and ratings before ordering. The part number, FAP34040-BLACK, is the most reliable reference for ensuring compatibility with your panel and accessory kit. During installation, verify that the panel label supports 480V and 40A ratings, and follow standard electrical safety practices and local codes for disconnecting and handling power devices.\u003c\/p\u003e \u003ch2\u003ePractical Considerations\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eKeep a spare on hand for planned maintenance to minimize downtime in critical systems.\u003c\/li\u003e \u003cli\u003eDocument the exact model and rating in your panel inventory for future replacements and audits.\u003c\/li\u003e \u003cli\u003eUse in conjunction with proper enclosure clearance and thermal considerations to maintain reliable performance in industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals seeking a precise, reliable 40A, 3‑pole, 480V circuit breaker, the Square D FAP34040-BLACK delivers compatible protection with strong aftermarket support and a long track record in demanding applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426421624994,"sku":"FAP34040-BLACK","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\/square-d-fap34040-black-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}