Square D LRA36400U31X 400 Amp PowerPact Molded Case Circuit Breaker – 3 Pole – 600V AC – 200 kA @ 480V

The Square D LRA36400U31X is a PowerPact LRA molded case circuit breaker designed for three-phase electrical distribution applications. It features a 400A current rating, 600V AC voltage rating, and an interrupting capacity of 200kA at 480V. The breaker uses an I-Line style plug-in connection, supports reverse connection, and is equipped with a non-interchangeable MicroLogic Standard 3.3 solid-state electronic trip unit providing long-time and instantaneous (LI) protection.

Specifications

• Brand: Schneider Electric / Square D
• Product Series: PowerPact
• Type: LRA
• MPN: LRA36400U31X
• Current Rating: 400A
• Poles: 3
• Phase: 3-phase
• Voltage Rating: 600V AC
• Interrupting Capacity: 200kA at 480V
• Connection: I-Line style plug-in
• Reverse Connection: Suitable
• Trip Unit: Non-interchangeable MicroLogic Standard 3.3
• Trip Functions: LI – Long-Time and Instantaneous
• Trip Technology: Solid-state electronic

Part Numbers & Identification

• Manufacturer Part Number: LRA36400U31X
• Product Family: PowerPact LRA
• Product Category: Molded Case Circuit Breaker (MCCB)
• UPC:785901702672

Compatibility

Designed for compatible Square D PowerPact I-Line distribution equipment configured for LRA-type, three-pole breakers with a 400A rating and 600V AC application. Supports reverse-connected installations.

Certifications

• UL Rating: UL Listed

Returns are easy

You may return items within 10 days of delivery for a refund.

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