General Electric | MB426 | Circuit Breaker | 100A

General Electric MB426 100A Circuit Breaker — a trusted GE component crafted for maintenance, retrofit, and replacement projects that demand an exact amperage and a precise part reference. This MB426 model is the reliable choice when your panel requires a 100-amp protection device from General Electric.

Key compatibility and fitment notes: Amperage rating is 100A. The MB426 designation is the best reference for compatibility, so always verify fit and ratings against your panel’s listing and the manufacturer’s specifications before ordering. Using the exact part number minimizes mismatch risk and ensures the protective device matches your existing GE equipment.

• Precise 100A protection — designed to interrupt overcurrent events in circuits that demand a 100-amp rating, helping safeguard wiring and connected devices.
• GE engineering and reliability — built to integrate with GE panels and electrical systems, delivering dependable performance consistent with the brand’s standards.
• Easy replacement and retrofit — ideal for restoring original protection in GE installations during service, upgrades, or panel refreshes.
• Clear sourcing through the MB426 reference — use the MB426 part number as the primary guide when sourcing replacements, reducing guesswork and ensuring correct compatibility.

Who this is for: electricians, facilities managers, and homeowners tackling panel upgrades or maintenance who need a dependable 100A GE circuit breaker that aligns with the original equipment. This is especially valuable in retrofit projects or when replacing aging GE components that originally used MB426.

Practical usage insights:

• Always confirm fit by cross-checking the panel model, listing, and bus type with the MB426 specification.
• Plan for safe service interruptions and follow panel manufacturer guidelines during replacement.
• Consider stocking the exact MB426 for continuity in GE-based electrical systems to minimize downtime during maintenance windows.