Square D LA36400 Molded Case Circuit Breaker – 400A – 3-Pole – 600V – 30kA – I-Line Plug-In – I-Line Series

The Square D LA36400 is a 400A, 3-pole thermal-magnetic molded case circuit breaker from the I-Line Series, designed for compatible I-Line panelboards. It is rated for 600V with a 30kA interrupting capacity at 480V and features an I-Line style plug-in connection for panelboard installation.

The breaker uses LI (Long-Time and Instantaneous) trip functions and an ABC phase configuration. It is equipped with lug terminals and is designed for compatible Square D I-Line panelboard applications.

Specifications:

• Brand: Square D
• Manufacturer: Square D
• Product Type: Molded Case Circuit Breaker
• Family: I-Line
• Type: LA
• Catalog No.: LA36400
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Phase Connection: ABC
• Voltage Rating: 600V
• Interrupting Rating: 30kA at 480V
• Breaker Type: Standard Interrupting
• Protection: Thermal-Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Connection Type: I-Line Style Plug-In Panelboard
• Terminal Connection: Lug
• Frame Size: 400A / LA
• Minimum Wire Size: 1/0 AWG
• Maximum Wire Size: 250 MCM / 600 MCM
• Panel Type: I-Line Panelboards
• UPC: 785901426325
• GTIN: 00785901426325
• Country of Origin: Mexico
• Dimensions: 6 in × 11 in
• Weight: 20 lb

Part Numbers & Identification:

• Manufacturer Part Number (MPN): LA36400
• Catalog Number: LA36400
• Product Family: I-Line
• Type: LA
• Brand: Square D
• Manufacturer: Square D
• Product Type: Molded Case Circuit Breaker
• Model: LA36400
• Frame Size: 400A / LA
• Breaker Configuration: 3-Pole, 400A
• upc:785901426325

Compatibility:

Designed for use with compatible Square D I-Line panelboards that accept LA Series molded case circuit breakers with I-Line plug-in connections. The LA36400 provides 400A, 3-pole circuit protection with a 600V rating and 30kA interrupting capacity at 480V.

Always verify the specific panelboard model, approved breaker type, voltage rating, phase configuration, interrupting capacity, terminal requirements, and conductor size before installation.

Certifications:

• CSA Listed
• UL Listed
• I-Line Series
• 400A Rating
• 3-Pole / 3-Phase
• 600V Rated
• 30kA Interrupting Capacity at 480V
• Thermal-Magnetic Protection
• LI Long-Time and Instantaneous Trip Functions
• I-Line Plug-In Connection

Returns are easy

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

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.