{"product_id":"square-d-pq4203gj-fusible-bus-plug","title":"Square D | PQ4203GJ | Fusible Bus Plug | 30A | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D PQ4203GJ Fusible Bus Plug—a purpose-built, plug-in protection module designed for 30A circuits in 4-pole, 240V configurations. Engineered for maintenance, retrofit, and replacement projects, this fusible bus plug integrates seamlessly into compatible Square D panels, delivering dependable overcurrent protection with minimal downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference\u003c\/strong\u003e: PQ4203GJ — use this exact reference to verify compatibility with your panel family\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this fusible bus plug? It’s designed to work within the Square D ecosystem, ensuring reliable fit, mating, and performance. The plug-in design allows for rapid service—drop in a fresh fusible link and restore protection without the downtime or extensive rewiring required by traditional fuse blocks. For panels that demand selective protection and straightforward maintenance, the PQ4203GJ delivers precise, field-serviceable protection you can trust.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service where a ready-to-install fusible plug speeds up outages and repairs\u003c\/li\u003e \u003cli\u003eRetrofit projects that require maintaining existing 4-pole, 240V protection schemes with a 30A rating\u003c\/li\u003e \u003cli\u003eReplacement of worn or blown bus plugs in compatible Square D panels, ensuring continued system protection\u003c\/li\u003e \u003cli\u003eFleet management or multi-panel installations where a standard, easily referenced part number (PQ4203GJ) simplifies procurement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey considerations for installation and compatibility\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm fit and ratings before ordering—the part number is your best reference for compatibility with your panel model\u003c\/li\u003e \u003cli\u003eOnly install in equipment designed for fusible bus plugs of this configuration and rating\u003c\/li\u003e \u003cli\u003eEnsure the power is fully isolated and a qualified electrician performs the replacement or retrofit\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompared to non-fusible or cartridge-based protections, the PQ4203GJ offers targeted, field-friendly protection with quick replacement in mind. It helps reduce service time, minimizes system exposure during maintenance, and supports reliable, orderly fault isolation in 240V setups. If your panel requires a precise 30A, 4-pole fusible plug, the Square D PQ4203GJ is the matchup you want—designed for dependable performance, backed by Square D’s legacy of electrical safety and reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425749225634,"sku":"PQ4203GJ","price":1195.0,"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-pq4203gj-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}