General Electric | SG400S | Circuit Breaker

The General Electric SG400S Circuit Breaker is the precise, real-world solution you need when maintenance, retrofit, or replacement hinges on exact specifications. If your project requires a component that aligns exactly with your existing panel or system, SG400S is the trusted reference part number you can rely on.

• Targeted applications — ideal for routine maintenance, panel retrofits, and reliable replacements where exact spec alignment matters.
• Like-for-like replacement — swap in an SG400S where the current device matches this part number to preserve electrical protection and performance without guesswork.
• Versatile integration — suitable for a range of commercial and industrial environments that rely on consistent GE components.

Check compatibility before you buy

• Verify that the exact part number SG400S matches the specification reference in your panel catalog or equipment documentation.
• Confirm the required ratings and fit are consistent with the SG400S before ordering—the product notes emphasize checking fit and ratings to ensure a proper match.
• When in doubt, refer to your electrical drawings or consult a licensed electrician to confirm that this is the correct GE component for your application.

Why the SG400S stands out

• Part-number accuracy — the SG400S designation is the best reference for compatibility, reducing the risk of mismatches and post-purchase return hassles.
• Clear use cases — designed specifically for maintenance, retrofit, and replacement tasks where exact spec alignment makes a measurable difference in safety and performance.
• Reliability you can trust — built to GE standards, supporting consistent protection across service cycles and upgrades.

Real-world benefits

• Minimized downtime — precise fit simplifies installation and speeds up changeouts.
• Improved safety and protection — using the correct part number helps ensure proper protection levels and reduces the risk of improper tripping or under-protection.
• Future-proofs your upgrade — standardizing on a recognized GE part number supports easier procurement and easier warranty references.

Who this is ideal for

• Facility managers, electrical technicians, and maintenance teams overseeing routine service, panel retrofits, or component replacements in commercial facilities, manufacturing, or industrial settings.
• Electrical contractors seeking a dependable GE component that aligns with existing specifications for smooth on-site installation.