General Electric | AC49SEP | Fusible Bus Plug | 4-Pole | 600V

Introducing General Electric AC49SEP Fusible Bus Plug — a purpose-built 4-pole, 600V protection accessory designed for maintenance, retrofit, and replacement in compatible GE switchgear.

This fusible bus plug ensures a precise fit within your existing bus configuration, enabling rapid service without sacrificing safety or protection. Built to GE standards, it pairs with GE-class protective devices to maintain correct protection coordination and fault isolation across the power path.

Key specifications

• Poles: 4-Pole
• Voltage rating: 600V
• Part number: AC49SEP

Notes for purchasing: Confirm fit and ratings before ordering. The part number AC49SEP is the best reference to ensure compatibility with your equipment.

What problems does it solve?

When a fusible bus plug reaches end-of-life or you’re upgrading your protection scheme, the AC49SEP provides a reliable, plug-in solution that minimizes downtime. Its 4-pole configuration supports multi-conductor bus paths, helping maintain proper protection sequencing across phases while simplifying replacement in existing GE systems.

Ideal use cases

• Maintenance and repair on GE switchgear that requires a fusible bus plug replacement
• Retrofit projects where a 4-pole, 600V protection plug is necessary
• Replacement of worn or damaged bus plugs to restore original protection performance

Why this GE bus plug stands out

Choosing the AC49SEP ensures you’re using a genuine GE component designed to work with your existing gear. The 4-pole configuration aligns with standard GE bus layouts, preserving electrical clearances and safe fault isolation. For facility managers and technicians, using the correct part number reduces guesswork and ensures consistent protection performance.

Installation and safety considerations

Work on de-energized equipment and follow your site’s safety procedures. If you’re unsure about fit or ratings, consult your equipment documentation or a qualified electrical professional to verify compatibility before installation.