Square D LJA36400U43X 400 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 65 kA@480 V – Micrologic LSI – LJA Series

The Square D LJA36400U43X is a 400 Amp, 3-pole molded case circuit breaker from Schneider Electric / Square D. It is rated for 600 V with a 65 kA interrupting capacity at 480 V and is suitable for 2-pole applications. The breaker features a non-interchangeable Micrologic Ammeter 5.3A trip unit with LSI (Long-Time, Short-Time, and Instantaneous) trip functions.

Specifications

• Manufacturer: Schneider Electric
• Brand: Square D
• Product Type: Molded Case Circuit Breaker
• Series: LJA
• Catalog Number / MPN: LJA36400U43X
• Primary Rating: 400 Amp
• Poles / Configuration: 3 Pole
• Phase: 3 Phase
• Voltage: 600 V
• Interrupting Rating: 65 kA @ 480 V
• Interrupting Capacity: Standard
• Trip Unit: Non-Interchangeable Micrologic Ammeter 5.3A
• Trip Functions: LSI – Long-Time, Short-Time and Instantaneous
• 2-Pole Application: Suitable for 2-Pole Applications

Part Numbers & Identification

• Manufacturer: Schneider Electric
• Brand: Square D
• Catalog Number: LJA36400U43X
• Series: LJA
• Current Rating: 400 A
• Pole Count: 3 Pole
• Product Type: Molded Case Circuit Breaker
• Trip Unit: Micrologic Ammeter 5.3A
• Trip Function: LSI – Long-Time, Short-Time and Instantaneous
• Trip Configuration: Non-Interchangeable
• UPC: 785901606611

Compatibility

The Square D LJA36400U43X is designed for compatible Schneider Electric / Square D LJA Series molded case circuit breaker applications and can be used for approved 2-pole applications. Verify the specific panelboard or switchboard, system voltage, mounting configuration, and breaker compatibility before installation.

Returns are easy

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

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