Eaton | TAP321JN | Fusible Bus Plug | 30A | 3-Pole | 240V

The Eaton TAP321JN Fusible Bus Plug is a purpose-built protection module designed for reliable, fast maintenance, retrofit, and replacement in Eaton switchgear. With a 30A rating, 3 poles, and a 240V configuration, this fuse-ready bus plug delivers precise compatibility for three-phase systems where safety, uptime, and consistent performance matter.

Key specifications

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 240V
• Part number: TAP321JN
• Type: Fusible bus plug

Why engineers choose the TAP321JN

• Exact spec alignment for maintenance and retrofit projects within Eaton gear, minimizing guesswork when sourcing replacement parts.
• Three-pole design tailored for 240V, enabling a straightforward upgrade path in three-phase panels without reconfiguring bus assemblies.
• Streamlined replacement workflow that helps reduce downtime during service windows and fast-track panel modernization efforts.
• Clear compatibility reference: the part number TAP321JN serves as the best identifier for ensuring proper fit and ratings.

Compatibility note: Confirm fit and ratings before ordering. The TAP321JN is specifically identified as the fusible bus plug you need when maintenance or retrofit calls for a 30A, 3-pole, 240V solution—the best reference for ensuring you’re matching the right Eaton component within your switchgear family.

Ideal use cases

• Maintenance and servicing of existing Eaton switchgear where a fusible bus path is required
• Retrofit projects to add fusible protection to legacy panels without a full panel replacement
• Replacement of damaged or worn bus plug modules to restore intended protection and performance
• Spare-part kits for critical infrastructure, helping teams minimize downtime during planned outages

Practical insights for field installs

When planning a TAP321JN installation, ensure the panel’s current configuration matches the 30A, 3-pole, 240V specs. Position the bus plug in a clean, dry environment within the enclosure to maintain contact reliability and fuse integrity. Keep the part number handy as the primary compatibility reference to avoid mismatches during procurement or stocking.