Eaton | TAP321J | Fusible Bus Plug | 30A | 3-Pole | 240V

Eaton TAP321J Fusible Bus Plug delivers reliable, plug‑in protection for three‑phase electrical distributions. Designed for 30A circuits and a 240V environment, this fusible bus plug integrates seamlessly into compatible switchgear to deliver quick, precise overcurrent protection where you need it most.

Built for maintenance, retrofit, and replacement workflows, the TAP321J is the right choice when exact specifications matter. Its form and ratings align with Eaton TAP‑series equipment and other gear that accepts matching fusible bus plugs, helping you minimize downtime and ensure safety during project work.

• Amperage: 30A
• Poles: 3‑Pole
• Voltage: 240V

Compatibility and fit: The part number TAP321J is the best reference for determining compatibility. Before ordering, confirm that your equipment accepts this specific fusible bus plug and that the ratings match your installation requirements.

Ideal use cases include routine maintenance on industrial panelboards, retrofit projects where a 30A fusible plug is required, and quick replacements after protective devices activate. This component is particularly suited for facilities that rely on Eaton protection systems or equipment designed to accept TAP‑series fusible bus plugs, ensuring a straightforward swap with minimal disruption.

Practical considerations for field technicians: verify the exact fit with your current bus assembly, follow proper lockout/tagout procedures, and handle the plug with appropriate protective equipment. Keeping a few TAP321J units on hand can reduce downtime during planned maintenance or unexpected fuse events.