The Schneider Electric Square D LJF36400CU31XACBCSDMD is a molded case circuit breaker designed for robust electrical protection in industrial environments. This 3-pole breaker, part of the LJF series, is engineered for 600V applications and features a 400A current rating, providing reliable circuit interruption and fault protection for heavy-duty machinery and distribution systems.

Technical details

• Series: LJF
• Frame Size: LJF
• Number of Poles: 3
• Voltage Rating: 600V AC
• Current Rating: 400 Amps
• Interrupting Rating: 100kA at 600V AC (typical for this series, verify with datasheet)
• Terminal Type: Screw (CU)
• Actuator Type: Rotary Handle (XAC)
• Shunt Trip: Yes (BC)
• Auxiliary Contacts: Yes (SDMD)
• Ground Fault Protection: Not specified in part number, verify with datasheet

Applications & compatibility

This circuit breaker is suitable for use in main distribution panels, motor control centers, and as a feeder breaker in various industrial settings. It is commonly found protecting circuits in manufacturing plants, processing facilities, and infrastructure projects requiring reliable overcurrent protection up to 600V.

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 Schneider Electric Square D LJF36400CU31XACBCSDMD or contact our technical team for cross-reference assistance with compatible LJF series components.