Eaton KG3400 - Circuit Breaker | AmpState

Introducing the Eaton KG3400 molded case circuit breaker—the trusted, compact overcurrent protector designed to fit seamlessly into panelboards and loadcenters. Built for dependable branch circuit protection, it combines a space-saving form factor with a thermal-magnetic trip unit for stable, repeatable protection across temperature changes and electrical noise.

• Compact molded case design maximizes panel space, letting you fit more circuits in the same footprint without compromising protection.
• Thermal-magnetic trip unit delivers precise, repeatable response to overloads and short circuits, reducing nuisance trips and protecting wiring and devices.
• OEM-compatible designed to work with matching OEM loadcenters and panelboards for reliable fit and electrical performance.
• Versatile application suitable for residential, commercial, and light industrial panels, making it a flexible choice for diverse projects.

Technical specifications

• Manufacturer: Eaton
• Part Number: KG3400
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits from the KG3400?

• Homeowners upgrading a residential panelboard or subpanel and needing dependable protection for branch circuits.
• Facilities managers and installers configuring commercial spaces or small industrial setups requiring consistent performance with compact form factors.
• Anyone replacing an aging breaker in an OEM-compatible loadcenter to maintain system reliability and safety.

Why this design matters

The KG3400’s molded case construction is engineered to maximize usable panel space, while the thermal-magnetic trip unit provides accurate protection without complex calibration. In real-world scenarios, it translates to fewer unexpected trips during seasonal temperature swings and electrical noise, helping keep lighting, motors, and outlets safe and operational.

Choose the KG3400 when you need a dependable, compatible, and space-conscious protection solution for residential, commercial, or light-industrial panel configurations—now available in AmpState inventory.