General Electric | SL49HFKI | Fusible Bus Plug | 400A | 600V

Meet the General Electric SL49HFKI Fusible Bus Plug—a purpose-built protection module designed for industrial switchgear and bus assemblies. With a 400A rating and a 600V maximum, it slots into compatible GE panels during maintenance, retrofit, or replacement projects. This is the authentic GE part reference you rely on to ensure proper fit and electrical characteristics.

Why choose the GE SL49HFKI Fusible Bus Plug

• Authentic GE part number SL49HFKI, ensuring precise compatibility with GE bus systems
• 400A amperage rating provides robust protection for feeder circuits
• 600V maximum operating voltage supports a wide range of industrial electrical environments
• Facilitates maintenance by isolating a bus segment while the rest of the system stays energized, minimizing downtime
• Ideal for retrofit projects where upgrading protection without a full panel replacement is desirable
• The part number is your best reference for compatibility and accurate procurement

Who is this for?

Maintenance teams upgrading older GE switchgear, manufacturers performing targeted retrofits, and facilities managers replacing worn or obsolete protection components will find this fusible bus plug a precise fit for GE-built equipment.

Practical use cases

• Routine maintenance on GE switchgear requiring safe isolation of a specific bus segment
• Retrofit projects to bring protection devices up to current standards without replacing entire assemblies
• Replacement of a failed fusible bus plug in compatible GE buses to restore reliable fault isolation

What you need to know before purchasing

Always verify fit and ratings against your existing equipment. The SL49HFKI is the best reference for compatibility with GE bus systems. If there’s any doubt, consult your equipment documentation or a qualified electrical professional to confirm panel compatibility and safe installation.

Specifications at a glance

• Amperage: 400A
• Voltage: 600V
• Type: Fusible bus plug

Safety and installation notes

Fusible bus plugs are critical protective devices; handling should be performed by trained personnel with the system fully de-energized. Adhere to local electrical codes and GE installation guidelines to ensure proper fault isolation and downstream equipment protection.