Square D LDA36600U44X - 600 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D LDA36600U44X—a robust 600 A, 3-pole plug-in molded case circuit breaker designed for dependable branch-circuit protection in panelboards and load centers. Built to handle demanding commercial, residential, and light industrial applications, this unit pairs high-current capacity with fast, straightforward installation.

Why this breaker stands out:

• Fast plug-in connection enables quick installation and effortless replacement, reducing downtime during panel upgrades or service work.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal element for sustained overload with an instantaneous magnetic trip for short-circuit events.
• Three-pole configuration supports three-phase systems, making it ideal for larger loads and commercial equipment.
• 600 A rating provides ample headroom for large branch circuits and primary feeders in panelboards and load centers.
• OEM compatibility designed to fit matching Square D OEM load centers and panelboards, ensuring proper fit, electrical integrity, and ease of procurement.
• Versatile application suitable for residential, commercial, and light industrial environments where reliable, high-current protection is essential.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: LDA36600U44X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 600 A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical applications

• Upgrading or expanding panelboards in commercial spaces like offices, retail, and light industrial facilities where high-current protection is required.
• Protecting large feeders and multi-purpose circuits in industrial and manufacturing environments with three-phase equipment.
• Residential and small-business electrical upgrades where dependable protection for sizable branch circuits is essential.
• Replacement in OEM-compatible Square D load centers to maintain system safety and warranty alignment.

Choosing the Square D LDA36600U44X means investing in a proven, high-capacity breaker that pairs seamless plug-in installation with precise thermal-magnetic protection. It’s the right choice when you need reliable, scalable protection for demanding electrical systems. Available from AmpState—a trusted source for genuine Square D components.