Square D | PQ4203GRA | Fusible Bus Plug | 30A | 4-Pole | 240V

Square D PQ4203GRA Fusible Bus Plug delivers dependable, plug‑in protection for compatible Square D panel systems. With a 30 A rating, 4‑pole configuration, and 240 V operation, this fusible bus plug is designed for maintenance, retrofit, and replacement projects where exact specifications matter.

Built to integrate seamlessly with Square D panels, this bus plug helps you restore protected power distribution quickly, minimizing downtime and keeping your electrical system aligned with exacting standards. The PQ4203GRA is the precise reference you want when you’re matching parts for serviceability and long‑term reliability.

Key specifications

• Amperage: 30 A
• Poles: 4‑Pole
• Voltage: 240 V
• Part number: PQ4203GRA

Why this fusible bus plug stands out

• Original Square D component designed for compatibility with PQ‑series panel hardware, ensuring reliable electrical fit and performance.
• Four‑pole configuration supports multi‑line protection with a dedicated path for neutral as required by your system.
• Facilitates quick field replacement or retrofitting, reducing service time and preserving panel integrity.

Ideal use cases

• Routine maintenance or upgrades in existing Square D installations requiring a 30 A, 4‑pole, 240 V fusible bus plug.
• Retrofits in panels where a precise, plug‑in protection module is needed to meet updated protection strategies.
• Replacement for a damaged or worn bus plug to restore safe and compliant operation.

Installation and handling tips

• Always power down the panel and verify absence of voltage before handling or installation.
• Use the part number PQ4203GRA as the primary reference to confirm compatibility with your panel model and bus type.
• Follow your site’s electrical codes and manufacturer guidelines for proper torque, connection cleanliness, and protection coordination.
• Inspect related accessories and fusing elements for wear or corrosion to ensure lasting performance after replacement.

Important note: Confirm fit and ratings before ordering. The part number PQ4203GRA is the best reference for compatibility with your Square D system.