{"product_id":"square-d-pq4203r-fusible-bus-plug","title":"Square D | PQ4203R | Fusible Bus Plug | 30A | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D PQ4203R Fusible Bus Plug—a purpose-built solution for maintenance, retrofit, and replacement in compatible Square D panels. With a 30A, 240V rating, this bus plug delivers reliable, in-situ protection that minimizes downtime and simplifies service work.\u003c\/p\u003e \u003cp\u003eDesigned for technicians who demand precise compatibility and straightforward maintenance, the PQ4203R fills a critical role in keeping distribution systems safe and responsive. The fusible design provides controlled current interruption and lets you swap in the correct fuse quickly when servicing a circuit, reducing the risk of overcurrent damage and panel downtime.\u003c\/p\u003e \u003ch2\u003eWhy this fusible bus plug matters\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact electrical specs\u003c\/strong\u003e: 30A at 240V, matching typical Square D distribution configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-and-play retrofit\u003c\/strong\u003e: Engineered to integrate with existing bus assemblies in compatible panels, speeding up maintenance and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted protection\u003c\/strong\u003e: Fusible protection at the bus level helps isolate faults without affecting other circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference\u003c\/strong\u003e: Part number PQ4203R is the best reference for compatibility; confirm fit and ratings before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cp\u003eThe PQ4203R is ideal for industrial control rooms, commercial electrical distribution, and service technicians performing panel maintenance or retrofits. Use it when you need a reliable 30A, 240V fusible bus solution that fits Square D panels without adapters or modifications.\u003c\/p\u003e \u003ch3\u003eWhat to expect and how to handle\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProven reliability within standard Square D bus architectures—designed for consistent performance in everyday electrical loads.\u003c\/li\u003e \u003cli\u003eKeep a spare PQ4203R on hand for quick replacements during routine maintenance or after a fuse-related fault, reducing downtime.\u003c\/li\u003e \u003cli\u003eBefore ordering: always confirm fit and ratings for your specific panel model. The PQ4203R part number is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eSafety first: de-energize equipment, use insulated tools, and follow local electrical codes when performing any bus plug replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Square D PQ4203R Fusible Bus Plug brings dependable fusible protection to your panel with the convenience of a targeted, splice-ready replacement. It’s the practical choice for maintenance-friendly upgrades and reliable service continuity in 240V, 30A applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425749029026,"sku":"PQ4203R","price":965.0,"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-pq4203r-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}