{"product_id":"eaton-bql330","title":"Eaton BQL330 30A 3-Pole 240 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton BQL330\u003c\/strong\u003e is a 30 A, 3-pole, 240 V circuit breaker engineered for dependable protection of three‑phase electrical systems. With Part Number \u003cstrong\u003eBQL330\u003c\/strong\u003e, this unit is built to withstand demanding industrial and commercial environments while ensuring fast, coordinated fault isolation across all three phases.\u003c\/p\u003e \u003ch2\u003eKey features that matter in real-world panels\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e Provides synchronized protection for all phases in a 3‑phase circuit, reducing the risk of unbalanced loads and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e30 A current rating:\u003c\/strong\u003e Suited for mid‑range branch circuits and motor control applications where reliable protection is essential without nuisance tripping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e240 V operating voltage:\u003c\/strong\u003e Optimized for standard three‑phase electrical systems found in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number clarity:\u003c\/strong\u003e Explicitly identified as \u003cem\u003eBQL330\u003c\/em\u003e for easy ordering, stocking, and cross‑referencing with compatible Eaton protective devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePotential Transformer compatibility:\u003c\/strong\u003e Designed to integrate with protection and metering schemes that leverage potential transformer interfaces for enhanced circuit monitoring and fault reporting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, panel-ready form factor:\u003c\/strong\u003e Built to fit common electrical panels and distribution boards, minimizing installation complexity and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho should consider the BQL330?\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams and electricians responsible for three‑phase motor feeds, pumps, conveyors, and HVAC equipment.\u003c\/li\u003e \u003cli\u003ePanel builders and facility engineers seeking a reliable, easily sourced protection device for 3‑phase distribution racks.\u003c\/li\u003e \u003cli\u003eProjects that require standardization across Eaton protections to simplify spare parts and service procedures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problem does it solve?\u003c\/h2\u003e\n\u003cp\u003eBy delivering coordinated trip across all phases at the prescribed current, the BQL330 helps prevent cascading faults, reduces equipment wear, and shortens downtime after electrical faults. Its 240 V rating aligns with common industrial power systems, while the three-pole design ensures balanced protection for motors and other three‑phase loads.\u003c\/p\u003e \u003ch2\u003ePractical tips for installation and use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility and ensure the breaker is suitable for your bus rating and enclosure size.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque specifications for terminal connections to maintain reliable electrical contact.\u003c\/li\u003e \u003cli\u003eWhen integrating with metering or protection schemes, plan for potential transformer interfaces to enable accurate fault detection and reporting.\u003c\/li\u003e \u003cli\u003eSchedule regular inspections of connections and surrounding wiring to prevent corrosion and ensure consistent performance.\u003c\/li\u003e \u003cli\u003eKeep spare BQL330 units on hand in maintenance inventories to minimize panel downtime during replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Eaton solution stands out\u003c\/h2\u003e\n\u003cp\u003eUnlike generic or single‑pole protection options, the BQL330 delivers true three‑phase protection with a clear, traceable Eaton lineage. Its 30 A rating is purpose‑matched to common mid‑line loads, and its 240 V compatibility makes it a straightforward fit for many existing installations. The potential transformer capability adds flexibility for modern protection strategies without requiring a separate, complex retrofit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423061004450,"sku":"BQL330","price":1998.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/eaton-bql330","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}