Square D PS4620G - 200A, 600V, Fusible Bus Plug

Square D PS4620G — a 200A, 600V fusible bus plug designed for reliable power distribution in the toughest industrial and commercial settings.

Whether you're upgrading an aging panel or outfitting a new busway installation, this fusible bus plug delivers fast, plug-in protection where it's needed most. The PS4620G is purpose-built for compatibility with typical busway and panelboard power distribution systems, making it a practical choice for maintenance, repair, and retrofit projects where exact bus plug matching matters.

Key specifications

• Brand: Square D
• Model: PS4620G
• Type: Fusible Bus Plug
• Amperage: 200A
• Voltage Rating: 600V
• Application: Busway and panelboard power distribution systems

Why this matters

• Fusible protection in a compact plug form minimizes downtime and supports coordinated protection across your distribution network.
• Ideal for retrofit projects where compatible, hard-to-find busplugs are required — keeping your existing infrastructure intact while modernizing protection.
• Designed for demanding environments found in industrial plants and commercial facilities, including process equipment applications and upgrade scenarios.

Use cases and ideal customers

• Maintenance crews performing component replacements or aging upgrades in active facilities.
• Electrical contractors implementing busway or panelboard retrofits where a precise PS4620G bus plug is needed.
• OEMs and facilities managers planning capacity expansions or equipment modernization with minimal system disruption.

Practical tips for installation and care

• Verify compatibility with your specific busway or panelboard configuration before replacement or installation.
• Keep spare PS4620G units on hand for quick swaps during planned maintenance or retrofits, reducing downtime.
• Follow all local electrical codes and safety procedures during installation; ensure power is isolated and equipment is de-energized before handling fusible components.

With the Square D PS4620G Fusible Bus Plug, you gain a dependable, plug-in protection solution that aligns with your distribution strategy, supports fast turnarounds on maintenance and upgrades, and keeps your power system aligned with your safety and performance goals.