Square D LDL36600U33X - 600 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Square D LDL36600U33X is a robust 600 A, 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Its compact molded-case frame maximizes panel space without sacrificing protection, making it a practical choice for commercial, industrial, and residential electrical installations that demand reliable performance.

Why this breaker stands out

• Space-efficient molded-case design: Maximizes panel footprint while maintaining strong overcurrent protection for high-load circuits.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection across a range of ambient temperatures. The thermal element handles overloads smoothly, while the magnetic element provides an instantaneous response to short circuits, reducing the risk of equipment damage.
• Three-pole configuration: Ideal for three-phase distribution in commercial and light industrial applications, supporting balanced protection across all phases.
• 600 A / 600 V rating: Suitable for high-capacity feeders and main circuit protection in panelboards and load centers.
• OEM compatibility: Engineered to drop into matching Square D load centers and panelboards for a seamless replacement or upgrade experience.

Ideal use cases

• Main feeder protection in commercial panelboards and service equipment up to 600 A.
• Three-phase branch circuit protection for light industrial equipment and machinery.
• Replacement or upgrade within compatible Square D panels to modernize protection without changing infrastructure.
• Situations requiring reliable short-circuit response combined with stable overload protection in varying environments.

Technical snapshot

• Manufacturer: Square D
• Part number: LDL36600U33X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 600 A
• Voltage rating:
600 V
• Poles: 3
• Applications: Branch circuit overcurrent and short-circuit protection

Choose the LDL36600U33X from AmpState for a dependable, high-capacity protection solution that aligns with Square D’s panel ecosystems. It’s built to handle the demands of modern electrical systems while offering straightforward installation and reliable performance across residential, commercial, and light industrial settings.