Square D | LAL36400 | Circuit Breaker | 400A | 3-Pole

Introducing the Square D circuit breaker LAL36400—a dependably engineered 400A, 3-pole device designed for demanding electrical distribution environments. This unit is purpose-built for maintenance, retrofit, and replacement projects where precise specifications matter, helping you keep critical systems protected and running smoothly.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Part number: LAL36400

Fit and compatibility guidance

Before ordering, verify that the installation requires a 400A, 3-pole breaker and that the part number LAL36400 matches your reference. The part number is the most reliable reference for compatibility with Square D panels and assemblies, helping you avoid mismatches and installation delays.

Ideal use scenarios

• Maintenance replacements in industrial or commercial electrical panels where a 400A, 3-pole unit is specified
• Retrofits or upgrades that require upgrading protection to a 400A, 3-pole configuration
• Spare or replacement stock for service crews who manage Square D panel workloads

Why this Square D unit stands out

As a genuine Square D part, the LAL36400 offers authenticity and reliable performance that aligns with your system’s protection plan. Its 400A capacity and 3-pole design are tailored for higher-current circuits, delivering consistent interrupting capability and dependable operation within compatible Square D panels. The exact part number simplifies procurement, reduces guesswork, and supports efficient maintenance cycles.

Compatibility and practical buying tips

• Use the part number LAL36400 as the best compatibility reference
• Confirm fit and ratings in your panel specifications before purchasing
• Keep a spare on hand for planned maintenance to minimize downtime