GE SG400S - 400 A Circuit Breaker | AmpState

Meet the GE SG400S 400A molded case circuit breaker, a purpose-built solution from AmpState for dependable branch circuit protection in panelboards and load centers. Designed to fit seamlessly with your GE OEM panels, this breaker helps you safeguard wiring and devices from overcurrents and short circuits with precision and reliability.

Why the SG400S stands out

• Compact molded case design frees up valuable panel space, helping you maximize enclosure capacity without compromising protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying load conditions, reducing nuisance trips while responding rapidly to genuine faults.
• OEM compatibility ensures a precise fit with matching GE load centers and panelboards, simplifying installation and maintaining system integrity.
• Heavy-duty 400A rating provides robust branch circuit protection for residential, commercial, and light industrial applications where larger feeders or main circuits are present.

Technical snapshot

• Manufacturer: GE
• Part Number: SG400S
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 400A
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use cases and installation guidance

• Upgrade or replace aging breakers in GE OEM panelboards and load centers to restore reliable protection for critical circuits.
• Install as a main or large feeder in appropriate GE panel assemblies that support 400A molded case breakers.
• Perfect for electrical projects across residential, commercial, and light industrial settings where space efficiency and dependable protection matter.
• Installation should be performed by a licensed electrician who confirms panel compatibility and adherence to local electrical codes and safety standards.

Why choose AmpState for GE SG400S

AmpState specializes in authentic GE protection equipment, ensuring you receive genuine SG400S parts that fit perfectly with GE panel systems. With ready availability, detailed technical support, and fast shipping, you can trust AmpState to keep your electrical infrastructure compliant and protected.