The Schneider Electric Square D LGN36400CU31XTC is a molded case circuit breaker designed for robust electrical circuit protection in demanding industrial environments. As part of the LGN frame series, this breaker offers reliable defense against overcurrent conditions, ensuring the integrity of electrical systems in applications such as motor control centers and main distribution panels.

Technical details

• Series: LGN Frame
• Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 400 Amps
• Voltage Compatibility: Requires verification against manufacturer datasheet for specific voltage ratings (e.g., 240VAC, 480VAC, 600VAC). The 'CU' in the part number often indicates a copper lug connection.
• Trip Unit Type: Thermal-magnetic trip unit, providing protection against both sustained overloads and instantaneous short circuits.
• Interrupting Rating: Requires verification against manufacturer datasheet for specific interrupting capacity (kAIC).
• Number of Poles: 3-Pole
• Mounting Type: Panel mount, designed for installation in switchboards and panelboards.

Applications & compatibility

This Schneider Electric Square D circuit breaker is commonly specified for use in heavy industrial settings, including manufacturing plants, processing facilities, and power distribution systems. It is suitable for protecting feeders, branch circuits, and motor loads where reliable overcurrent protection is paramount. Compatibility with specific panelboard brands and busbar systems should be confirmed with the manufacturer's documentation.

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 LGN36400CU31XTC or contact our technical team for cross-reference assistance with compatible LGN series components.