General Electric | SL404SEPI | Fusible Bus Plug | 400A | 4-Pole | 600V

Meet the General Electric SL404SEPI Fusible Bus Plug—a purpose-built fuse-protected connection module crafted for reliable performance in GE electrical distribution systems. Designed for maintenance, retrofit, and replacement scenarios where exact specifications matter, this 400A, 4-pole unit delivers dependable protection at up to 600V.

Key specifications

• Amperage rating: 400 A
• Poles: 4-Pole
• Voltage rating: 600V
• Part reference: SL404SEPI

Why this fusible bus plug stands out

• Integrated protection: Provides a fuse-protected connection right at the bus, helping to isolate faults quickly and minimize downstream damage.
• GE-aligned compatibility: Specifically designed for use with GE switchgear and distribution equipment; part accuracy is essential for safe, reliable operation.
• Maintenance-ready: Ideal for proactive maintenance, retrofits, and replacements that require matching specs without overhauling existing assemblies.
• Rapid downtime reduction: A precise fit with a straightforward replacement path helps reduce system downtime during service events.

Ideal applications and use cases

• Maintenance projects where a fusible bus plug is required to restore original protection schemes in GE gear.
• Retrofits that upgrade or modify bus protection without changing the surrounding busbar infrastructure.
• Replacement of a failed or worn fusible bus plug while maintaining 600V system reliability.
• Scenarios where exact amperage and pole configuration (400A, 4-pole) are mandated by electrical codes and system design documents.

Compatibility and installation considerations

• Always verify fit and ratings before ordering—the part number SL404SEPI is the best reference for ensuring a precise match with your equipment.
• Confirm that your system voltage (600V) and current (400A) align with the device specifications to prevent protection mismatches.
• Adhere to standard safety practices and manufacturer guidelines during installation, commissioning, and maintenance to ensure reliable performance.

Practical tips for best results

• Store spare bus plugs in a clean, dry environment and inspect for any signs of corrosion or damage before installation.
• Document the part number SL404SEPI in service records to simplify future replacements and compatibility checks.
• Coordinate with qualified electrical personnel for proper handling, installation torque, and connection integrity to maximize protection reliability.

Designed for professionals who demand exacting specifications and dependable protection, the General Electric SL404SEPI Fusible Bus Plug is a precise, purpose-built choice for maintaining, upgrading, or replacing fuse-protected bus connections in 600V environments.