Square D PQ4203G - 30A, 240V, Fusible Bus Plug

Meet the Square D PQ4203G Fusible Bus Plug, a purpose-built solution for dependable power distribution in demanding industrial and commercial environments. With a 30A, 240V rating, this fusible bus plug integrates seamlessly into busway and panelboard systems, delivering targeted circuit protection where it matters most.

Designed for real-world reliability, the PQ4203G is the right choice for maintenance, repair, and upgrade projects where compatible, hard-to-find busplugs are required. Its fusible design provides rapid protection and clear fault isolation, helping you minimize downtime and keep critical processes humming.

Where it shines

• Industrial plants and process equipment setups that demand steady, protected power delivery across multiple feeders.
• Commercial facilities needing modular, scalable power distribution that can be updated as systems evolve.
• Retrofit projects where existing infrastructure requires compatible bus plugs to restore or upgrade protection without a full rework.
• Maintenance and repairs that prioritize quick replacement with a trusted, authentic Square D component.

Key specifications at a glance

• Brand: Square D
• Model: PQ4203G
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage Rating: 240V
• Application: Busway and panelboard power distribution systems

Practical benefits you’ll notice

• Fusible protection that enables fast circuit fault interruption, helping to safeguard equipment and reduce the scope of outages.
• Modular compatibility with Square D busway and panelboard configurations, simplifying installation and future expansions.
• Reliable sourcing for maintenance and retrofit work, especially when standard, hard-to-find busplugs are required.
• Clear traceability and compatibility within established Square D power distribution ecosystems, aiding long-term serviceability.

Whether you’re upgrading an aging facility, equipping a new process line, or performing routine maintenance, the Square D PQ4203G Fusible Bus Plug is engineered to deliver dependable protection and straightforward integration. Rely on a component that’s built for real-world industrial and commercial use, designed to keep systems protected, compliant, and scalable for the years ahead.