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Square D 400SN Neutral Assembly Kit

Square D 400SN
Neutral Assembly Kit
Brand Square D
SKU 400SN
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Quantity

Core Specs

See full specs
Amperage400
SeriesLA
Mounting StyleFlush/Surface
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Square D 400SN Neutral Assembly Kit

New

$295.80 In Stock

Quantity

Description

Square D 400SN Neutral Assembly Kit

The Square D 400SN is a neutral assembly kit with a current rating of 400 Amps and a voltage rating of 277/480VAC, 125/250VDC. It has a flush/surface mounting type and it is used for LA, LH and Q4 circuit breaker enclosures.

Specifications

Key specifications
Amperage 400 A
Voltage 277/480VAC, 125/250VDC
Series LA
Mounting Type Flush/Surface
Fit and installation
Wire Gauge AWG 1 to 600KCmil
For Use With LA, LH and Q4 Circuit Breaker Enclosures
Max Wire Size 600kcmil
Min Wire Size AWG 1
Protection and operation
Circuit Breaker Type Standard
Standards and features
NEMA Rating 1, 3R
Standards RoHS, REACh
Product details
Brand Square D

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 13 reviews
Total 5 star reviews: 13
Total 4 star reviews: 0
Total 3 star reviews: 0
Total 2 star reviews: 0
Total 1 star reviews: 0
Rating
Ratings
13 reviews
  • RG
    Robert G.
    Verified Buyer
    Reviewing
    Square D LA36400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/16/26
    LA36400

    Perfectly boxed and arrived on time. Thanks for the shirt and stickers as well.

  • CE
    Craig E.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer LA3600 - 600A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/13/25
    Westinghouse breaker

    Excellent customer service and quick shipping

  • CL
    Clifton L.
    Verified Buyer
    Reviewing
    Square D LA36400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/30/25
    estimator

    Good

  • BC
    Benjamin C.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer LA3225 - 225A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/25
    Refurbished Breaker

    Breaker seems to be working great, no complaints from Client

  • JM
    Jerry M.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer LA3400 - 400A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/14/23
    Where is my breaker?

    Where is my breaker?