The Schneider Electric Square D LJF36400U31XAA is a molded case circuit breaker designed for robust electrical system protection. This 3-pole breaker, part of the LJF series, offers a 400 Amp current rating and operates at up to 600 Volts AC. It is engineered to safeguard equipment against overcurrent conditions, including overloads and short circuits, making it suitable for demanding industrial environments.

Technical details

• Series: Square D LJF
• Poles: 3
• Current Rating: 400 Amps
• Voltage Rating: 600 Volts AC
• Trip Unit: MicroLogic 3.3
• Trip Functions: Long-time, Short-time, and Instantaneous
• Interrupting Rating: To be verified against manufacturer datasheet.
• Terminal Type: To be verified against manufacturer datasheet.

Applications & compatibility

This circuit breaker is commonly employed in medium to heavy-duty industrial applications requiring reliable overcurrent protection. It is suitable for use in power distribution panels, motor control centers, and as a main or branch circuit breaker in manufacturing facilities, particularly within sectors such as food and beverage processing, material handling, and general manufacturing.

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 LJF36400U31XAA or contact our technical team for cross-reference assistance with compatible Square D LJF series components.