Eaton LGU3400FAG - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

Introducing the Eaton LGU3400FAG, a 400 A, 600 V, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact molded-case design makes efficient use of limited panel space, while a thermal-magnetic trip unit delivers stable, repeatable protection performance across varying temperatures and loads. Designed for seamless integration, it is fully compatible with matching OEM loadcenters and panelboards—a practical, ready-to-install solution for modern electrical infrastructure.

• Compact molded-case design optimizes panel space without sacrificing protection capabilities.
• Thermal-magnetic trip unit provides precise, repeatable protection against both overloads and short circuits.
• 3-pole configuration supports three-phase distribution, enabling coordinated protection across all phases.
• OEM-compatible ensures straightforward replacement and consistent performance with your existing loadcenters and panelboards.
• 400 A, 600 V rating suits demanding residential, commercial, and light industrial applications requiring robust circuit protection.
• Designed for branch circuit protection—protects wiring and equipment from overcurrent and fault conditions within panelboards and loadcenters.

Technical specifications

• Amperage Rating: 400 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

This breaker is an ideal fit for installers and facility managers aiming to upgrade or replace protection in panelboards and loadcenters where high-current demand and reliable fault protection are critical. With the Eaton LGU3400FAG, you gain a durable, space-efficient solution that aligns with existing equipment and delivers dependable performance across residential, commercial, and light industrial environments.