Square D LAL36400 - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

Square D LAL36400 - 400 A, 600 V, 3-Pole Molded-Case Circuit Breaker

The Square D LAL36400 is a robust 400 A, 600 V, 3-pole molded-case circuit breaker designed to deliver reliable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Built for real-world electrical environments, it pairs precise protection with space-efficient design to keep your electrical distribution clean and safer.

Key benefits you’ll notice in daily use:

• Compact molded-case design frees valuable panel space, making it easier to organize wiring and fit larger systems in tighter enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection across a wide range of temperatures and loads, minimizing nuisance trips while still delivering fast short-circuit interruption when it matters most.
• Three-pole configuration efficiently supports 3-phase circuits, ideal for commercial and light industrial equipment, machinery, and HVAC systems.
• OEM panel compatibility designed to integrate seamlessly with matching Square D OEM load centers and panelboards, ensuring reliable performance and straightforward replacement.
• Versatile applications suitable for residential setups with higher amperage requirements, commercial installations, and light industrial distributions, providing a single, dependable protection solution across multiple environments.

Technical snapshot

• Manufacturer: Square D
• Part Number: LAL36400
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 400 A
• Voltage Rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the LAL36400 over other breakers? It’s engineered for dependable performance in real-world panel installations where space is at a premium and protection must be precise and predictable. The combination of a compact form factor and a thermal-magnetic trip mechanism means you get reliable protection with consistent trip characteristics, even as the panel configuration evolves or workloads shift.

Ideal for professionals upgrading or expanding panelboards and load centers, the LAL36400 offers:

• Easy replacement for compatible Square D panel systems, reducing installation complexity and downtime
• Clear protection for high‑amperage feeders and critical 3‑phase loads
• Peace of mind in mixed-use environments—residential, commercial, and light industrial—where robust overcurrent protection is essential

Upgrade or install with confidence knowing this 400 A, 600 V, 3‑pole molded-case circuit breaker delivers a durable, space-efficient, and compatible protection solution for your distribution panels. AmpState now brings you trusted Square D performance in a compact package designed to keep your electrical system safe and compliant.