Square D LGL36600U31X - 600 A, 600 V, 3-Pole Circuit Breaker | AmpState

Square D LGL36600U31X is a 600 A, 600 V, 3-pole molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Its compact, space-saving molded case helps you maximize panel real estate while delivering dependable protection when it matters most.

Key advantages

• Space-efficient molded case design that fits tightly in crowded panels without compromising protection.
• Thermal-magnetic trip unit provides stable overload protection and fast short-circuit interruption, ensuring predictable circuit response under varying loads.
• Three-pole configuration suitable for balanced 3-phase systems common in commercial and light industrial environments.
• 600 A current rating paired with a 600 V voltage rating supports high-demand branch circuits across industrial-grade equipment.
• OEM-compatible with matching Square D loadcenters and panelboards, ensuring proper fit, electrical continuity, and reliable coordination with existing protection schemes.
• Durable construction designed for robust operation within standard panel enclosures and service locations.

Ideal applications

• Main distribution panels in commercial buildings, data centers, schools, and retail facilities requiring strong, reliable protection for large feeder circuits.
• Retrofit projects where you need an exact OEM-compatible breaker to maintain system coordination and compliance with existing equipment.
• Residential, commercial, and light industrial panels that demand a high-current, 3-pole protective device for safe operation of three-phase loads.

Technical snapshot

• Manufacturer: Square D
• Part Number: LGL36600U31X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 600 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

With the Square D LGL36600U31X, you get a proven, OEM-compatible solution that combines space efficiency, reliable protection, and versatility across commercial and light industrial panels. Build safer electrical systems with precise trip performance and durable, long-lasting construction.