General Electric | AC425RJ | Fusible Bus Plug | 400A | 240V

The General Electric AC425RJ Fusible Bus Plug delivers reliable, field-ready overcurrent protection for high-current feeder connections. With a robust 400A rating and 240V operating capability, this fusible bus plug is purpose-built for maintenance, retrofit, and replacement projects where exact specifications and dependable performance matter most.

What makes the AC425RJ unique

• Precise compatibility — designed to integrate with GE bus assemblies that expect the AC425RJ form factor; the part number is the best reference for ensuring a seamless fit.
• High-current protection — 400A ampacity provides dependable protection for demanding feeder circuits while supporting safe, predictable operation.
• Clear operating voltage — rated for 240V systems, aligning with common industrial electrical distributions.
• Maintenance-friendly design — intended for retrofit or replacement scenarios, helping minimize downtime when upgrading protection or renewing aging components.

Key specifications

• Amperage: 400A
• Voltage: 240V
• Reference part: AC425RJ

Ideal use cases

• Maintenance of GE switchgear and bus systems that rely on fusible protection
• Retrofit projects where upgrading or renewing protection components is required
• Replacement after wear, fault events, or routine lifecycle refreshes in high-current feeders

How it solves real-world problems

For facilities that cannot tolerate extended outages, a correctly matched fusible bus plug like the AC425RJ streamlines repair and upgrade workflows. By guaranteeing exact fit and electrical ratings, it reduces guesswork, accelerates procurement, and helps preserve protective coordination across the distribution network. This means safer startups, more predictable protection outcomes, and less risk of mismatched components complicating repairs.

Compatibility and ordering guidance

Before placing an order, confirm fit and ratings against your GE equipment. The AC425RJ part number is the best reference to ensure compatibility with your bus assembly and protection scheme. If you’re replacing a worn or damaged fusible bus plug, verify that the surrounding switchgear is designed to accept this exact model and voltage rating to maintain proper protection staging.

Practical tips for installation and use

• Schedule replacements during planned maintenance windows to minimize downtime and ensure proper de-energization procedures are followed.
• Inspect accompanying bus components for wear or damage and replace any related connectors or insulators as needed to maintain reliable protection.
• Document the replacement with the part number (AC425RJ) and ratings to support future maintenance logs and asset management.

Engineered for durability and designed to meet the needs of industrial electrical systems, the GE AC425RJ Fusible Bus Plug is a precise, dependable choice for keeping high-current feeders protected and performing at their best.