Cutler-Hammer P3FG100 - 100A, 600V, Fusible Bus Plug

The Cutler-Hammer P3FG100 Fusible Bus Plug is a purpose-built protection and distribution solution for demanding industrial and commercial electrical systems. With a 100A rating and a 600V maximum, this plug-in device fits cleanly into busway and panelboard configurations, delivering reliable overcurrent protection while enabling modular, upgrade-friendly power distribution.

Key specifications at a glance

• Brand: Cutler-Hammer
• Model: P3FG100
• Type: Fusible Bus Plug
• Amperage: 100A
• Voltage Rating: 600V
• Application: Busway and panelboard power distribution systems

What sets the P3FG100 apart

• Built by Cutler-Hammer, a trusted name in electrical distribution hardware, ensuring compatibility with established busway and panelboard ecosystems.
• Retrofit-ready for maintenance and upgrades: Specifically positioned for retrofit projects and maintenance workloads where compatible, hard-to-find busplugs are needed to keep systems online and compliant.
• Reliable protection for critical infrastructure: Fusible protection isolates faults quickly, helping to minimize damage to downstream equipment and reduce unplanned downtime.
• Modular power distribution: Facilitates selective protection and streamlined replacement in busy facilities, lowering repair complexity during outages or expansions.

Ideal use scenarios

• Maintenance and upgrades in industrial plants and commercial facilities where existing busway/panelboard architectures require compatible fusible plugs.
• Retrofit projects aiming to modernize protection schemes without replacing entire distribution assemblies.
• Process equipment feeds that demand predictable, fast-acting overcurrent protection to protect downstream machinery.
• Emergency spare parts strategy to minimize downtime when a fusible bus plug component is needed quickly.

Practical considerations and best practices

For optimal performance and safety, installation should be performed by qualified electrical personnel in accordance with local codes and system specifications. Before installation or replacement, verify that the bus plug is the correct form factor for your busway or panelboard, and ensure all power is de-energized. Keep spare P3FG100 units on hand as part of a robust maintenance program to support rapid fault isolation and system uptime.

What you gain with the Cutler-Hammer P3FG100

• Clear path to reliable overcurrent protection in complex distribution networks
• Enhanced uptime through modular, swap-ready design
• Reduced maintenance friction with a specialized, manufacturer-approved component
• Flexible compatibility for ongoing modernization efforts without wholesale system replacement