General Electric | SL326RGRI | Fusible Bus Plug | 400A | 3-Pole | 240V

Meet the General Electric SL326RGRI Fusible Bus Plug—a rugged, maintenance-ready solution for protecting and isolating your 3-phase electrical distribution systems. Engineered for reliability in demanding environments, this 400A, 3-pole, 240V fusible plug delivers precise overcurrent protection and seamless compatibility with GE switchgear and busbar configurations. Whether you're performing maintenance, retrofitting older gear, or replacing a worn component, the SL326RGRI is designed to fit your specs and keep systems running smoothly.

Key specifications at a glance

• Amperage rating: 400A
• Poles: 3-Pole
• Voltage: 240V
• Part number: SL326RGRI

Why choose the SL326RGRI fusible bus plug?

• Precise compatibility — The SL326RGRI is purpose-built for GE bus systems and is the best reference for ensuring your retrofit or replacement aligns with existing footprints and ratings.
• Reliable 3-phase protection — A 3-pole design provides synchronized protection across all phases, helping prevent unbalanced faults and reducing arc energy in fault conditions.
• High-current capability — With a 400A rating, it supports demanding industrial and commercial applications where robust protection and fast isolation are essential.
• Simple maintenance and replacements — Designed for easy swaps during outages, minimizing downtime and accelerating project timelines.
• Versatile use cases — Ideal for maintenance outages, retrofit projects to upgrade protection schemes, or replacement of aging bus plugs in existing installations.

Use cases and ideal applications

This fusible bus plug excels in industrial facilities, distribution panels, and commercial power centers that rely on dependable three-phase protection at 240V. Use it when updating protection schemes in legacy gear, upgrading to higher-current protections, or restoring a fault-protected path after routine maintenance. Its 3-pole design ensures all phases are taken into account, helping maintain system balance and reliability across the board.

Practical guidance for procurement and installation

Before ordering, verify fit and ratings against your current gear. The part number SL326RGRI is your most reliable compatibility reference, so cross-check with your OEM specifications and existing bus plug footprint. When installing, follow standard electrical safety practices and outage procedures. Confirm the plug aligns with the busbar configuration and ensure secure mounting to maintain proper contact integrity and fault-clearing performance.

What problems does this solve?

• Outdated or mismatched protective devices that risk inadequate fault isolation.
• Downtime caused by difficult retrofits or unclear compatibility references.
• Balancing phase protection in complex 3-phase layouts, reducing exposure to partial faults.

Why this matters for your operation

Choosing the GE SL326RGRI fusible bus plug means investing in a component that prioritizes accurate protection, straightforward replacement, and long-term reliability. By matching the precise amperage, pole count, and voltage, you ensure your system preserves the intended fault protection characteristics and maintains steady, safe operation even during maintenance windows or upgrades.