Square D LGA36400U31X Molded Case Circuit Breaker – 400A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – I-Line Style Plug-In – PowerPact LGA Series

The Square D LGA36400U31X is a 400A, 3-pole, 3-phase molded case circuit breaker from the Square D / Schneider Electric PowerPact Type LGA Series. It features solid-state electronic protection with a MicroLogic Standard 3.3S trip unit and Long-Time and Instantaneous (LI) trip functions.

The LGA36400U31X is rated for 600V and provides a 35kA interrupting rating at 480V with standard interrupting capacity. It features an I-Line style plug-in connection, is supplied as a complete breaker, and is identified as suitable for 2-pole applications. The breaker is equipped with a non-interchangeable MicroLogic Standard 3.3S trip unit and is UL Listed.

Specifications:

• Manufacturer: Square D / Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Product Family: PowerPact
• Series: LGA
• Type: LGA
• Catalog No.: LGA36400U31X
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 35kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Solid-State Electronic
• Trip Unit: MicroLogic Standard 3.3S
• Trip Functions: Long-Time and Instantaneous (LI)
• Trip Type: Non-Interchangeable
• Mounting / Connection: I-Line Style Plug-In
• Breaker Configuration: Complete Breaker
• 2-Pole Application: Suitable for 2-Pole Applications
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Square D / Schneider Electric

Part Numbers & Identification:

• Manufacturer Part Number (MPN): LGA36400U31X
• Catalog Number: LGA36400U31X
• Model: LGA36400U31X
• Product Family: Square D PowerPact Molded Case Circuit Breakers
• Series: LGA
• Type: LGA
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 400A
• Trip Unit: MicroLogic Standard 3.3S
• Trip Functions: Long-Time and Instantaneous (LI)
• UPC:785901644972

Compatibility:

Designed for use with compatible Square D PowerPact LGA Series electrical distribution equipment that accepts I-Line style plug-in molded case circuit breakers. The LGA36400U31X provides 400A, 3-pole solid-state electronic protection for compatible 600V electrical distribution applications.

The breaker features an I-Line style plug-in connection, a non-interchangeable MicroLogic Standard 3.3S trip unit, and is identified as suitable for 2-pole applications. Always verify the specific panelboard or electrical equipment model, approved breaker configuration, system voltage, available fault current, pole requirements, trip-unit compatibility, and mounting arrangement before installation.

Certifications:

• UL Listed
• PowerPact LGA Series
• 400A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 35kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Solid-State Electronic Protection
• MicroLogic Standard 3.3S Trip Unit
• Long-Time and Instantaneous (LI) Trip Functions
• Non-Interchangeable Trip Unit
• I-Line Style Plug-In
• Suitable for 2-Pole Applications
• Complete Breaker

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