Eaton | HD1321G | Fusible Bus Plug | 100A | 3-Pole | 480V

The Eaton HD1321G Fusible Bus Plug is a purpose-built solution for industrial power distribution, delivering reliable protection in 480V systems. With a 100A rating and 3-pole configuration, it’s designed for dependable performance in maintenance, retrofit, and replacement projects that require exact specifications.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 480V
• Part number: HD1321G

Ideal use cases

Perfect for facilities and serviceable Eaton installations where a fusible bus plug is needed to protect feeders, switchgear, or downstream circuits. It’s specifically suited for maintenance tasks, retrofitting older panels, and replacing worn or damaged plug modules while maintaining exact matching specs for safety and performance.

Why this matters

A fusible bus plug like the HD1321G provides precise current protection and fast fault isolation within the system’s bus architecture. By using the exact, compatible part, you minimize downtime and reduce the risk of incompatibilities that can arise with improvised substitutes. When you pair this plug with the appropriate Eaton assembly, you gain a dependable, straightforward path to keep critical power circuits protected and running smoothly.

Compatibility and ordering tips

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so keep HD1321G on hand when matching to your switchgear or distribution equipment. If you’re stocking spare components for critical infrastructure, this exact designation helps ensure a seamless replacement without surprises in the field.

Practical considerations

Use this fusible bus plug in scenarios where precise electrical specs and reliable protection are required for 480V, 100A, 3-pole configurations. It’s a practical choice for technicians and procurement teams who value accuracy, ease of replacement, and reduced downtime in high-demand electrical environments.