The Schneider Electric Square D LJA36400U31X is a 3-pole molded case circuit breaker designed for robust electrical protection in demanding industrial environments. This unit is part of the LJA series, engineered to safeguard electrical distribution systems and equipment from overcurrent and short-circuit events. Its 400A rating and 600V operational voltage make it suitable for heavy-duty applications.

Technical Details

• Series: LJA
• Poles: 3
• Amperage Rating: 400A
• Voltage Rating: 600V AC
• Trip Unit: MicroLogic 3.3
• Trip Functions: Long-Time and Instantaneous
• Interrupting Rating: Verify with manufacturer datasheet for specific interrupting capacity (kAIC)
• Terminal Type: Verify with manufacturer datasheet for specific terminal configuration (e.g., lug type, size)

Applications & Compatibility

This LJA series circuit breaker is commonly deployed in industrial facilities, manufacturing plants, and commercial buildings to protect main feeders, branch circuits, and large motor loads. It is an ideal component for systems requiring reliable overcurrent protection, such as those found in material handling, HVAC systems, and process control applications.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the LJA36400U31X or contact our technical team for cross-reference assistance with compatible LJA series components.