Square D LLL36600U31X - 600 A, 3-Pole Circuit Breaker | AmpState

Meet the Square D LLL36600U31X, a 600 A, 3-pole molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for durable performance in residential, commercial, and light industrial settings, this breaker is a trusted choice for reliable electrical protection sourced through AmpState.

• Compact molded-case design maximizes panel space, enabling cleaner, more efficient wiring layouts and easier future expansion.
• Thermal-magnetic trip unit provides stable, repeatable protection by quickly clearing dangerous faults while minimizing nuisance trips due to normal load changes.
• OEM-compatible architecture is designed to pair seamlessly with matching Square D OEM load centers and panelboards for straightforward installation and aligned protection coordination.
• Versatile for multiple environments ideal for applications in residential, commercial, and light industrial facilities where robust protection and long service life matter.

Technical specifications

• Manufacturer: Square D
• Part Number: LLL36600U31X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 600 A
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Designed for professionals who demand reliability and precise protection, this 3-pole breaker guards essential feeders and downstream circuits, reducing risk across the panelboard. Its compact form supports dense electrical panels and easier serviceability, while the thermal-magnetic trip mechanism delivers predictable performance across varying loads and fault conditions.

Ideal use scenarios include upgrading or replacing breakers in commercial or light industrial panels, protecting feeder circuits in mixed-use facilities, or expanding capacity in existing Square D panel systems. By choosing the LLL36600U31X, you’re opting for a proven solution that aligns with Square D’s ecosystem, delivering coordinated protection, ease of installation, and long-term peace of mind.