Square D LLA36600U33X - 600 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D LLA36600U33X — a rugged, plug‑in molded case circuit breaker engineered to protect your panelboards and load centers with unwavering reliability. At 600 A and 600 V, this 3‑pole unit is built to shoulder demanding branch circuits in residential, commercial, and light industrial settings, delivering precise protection when it matters most.

• Fast plug‑in connection for quick installation and minimal downtime during service or upgrades.
• Thermal‑magnetic trip unit delivers stable, repeatable protection against overcurrent and short circuits across varying loads.
• 3‑pole, 600 A, 600 V configuration designed for 3‑phase systems and robust phase protection.
• Molded case, plug‑in design provides secure mounting in compatible panels with straightforward replacement when needed.
• OEM panel compatibility intended for use with matching Square D OEM load centers and panelboards, ensuring a seamless fit with your existing setup.
• Versatile application ideal for protecting branch circuits in homes, small to medium commercial spaces, and light industrial installations.

Technical details

• Manufacturer: Square D
• Part Number: LLA36600U33X
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 600 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug‑in
• Application: Branch circuit overcurrent and short‑circuit protection

Why this breaker stands out: the combination of a fast plug‑in connection and a thermal‑magnetic protection system means quicker service, fewer nuisance trips under fluctuating loads, and dependable performance for critical electrical loads. Its 3‑pole configuration makes it well suited for 3‑phase environments, while the 600 A/600 V rating provides a durable safeguard for larger branch circuits in panelboards and load centers.

Ideal for professionals upgrading panels or replacing failed breakers, the Square D LLA36600U33X is a dependable choice when you need a high‑capacity, plug‑in solution that aligns with OEM panel equipment. Use it where robust protection and rapid installation are priorities, and you’ll enjoy consistent trip behavior and straightforward maintenance in every application.