Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SQUARE D Neutral Assembly Kit: 400 A Amps - Square D Circuit Breaker Enclosure Accessories
SQUARESquare D Circuit Breaker Enclosure Accessories

SQUARE D Neutral Assembly Kit: 400 A Amps

The SQUARE D Neutral Assembly Kit (MPN SN400LA) is a Square D Circuit Breaker Enclosure Accessory rated for 400 A Amps. Designed for Flush/Surface mounting, it is compatible with Powerpact H and J-Frame Circuit…

SKU 3G-OTH-128107

Brand
SQUARE
Item
D Neutral Assembly Kit: 400 A Amps
Category
Square D Circuit Breaker Enclosure Accessories
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE
Manufacturer Part Number
SN400LA

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SQUARE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Neutral Assembly Kit (MPN SN400LA) is a Square D Circuit Breaker Enclosure Accessory rated for 400 A Amps. Designed for Flush/Surface mounting, it is compatible with Powerpact H and J-Frame Circuit Breaker Enclosures. This kit provides a neutral assembly solution for these specific enclosure types.

Frequently Asked Questions

What is the SQUARE D SN400LA Neutral Assembly Kit used for?

The SQUARE D SN400LA Neutral Assembly Kit provides a neutral connection point inside Powerpact H and J-Frame circuit breaker enclosures. It is used by electricians and panel builders to complete the neutral bus in flush or surface-mounted enclosures rated for 400 A.

What are the specifications of the SQUARE D SN400LA Neutral Assembly Kit?

The SQUARE D SN400LA Neutral Assembly Kit is rated for 400 A and is designed for flush or surface mounting. It is compatible with Powerpact H and J-Frame circuit breaker enclosures. The manufacturer part number is SN400LA.

Where to buy the SQUARE D SN400LA Neutral Assembly Kit worldwide?

3G Electric supplies the SQUARE D SN400LA Neutral Assembly Kit to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time.

How to install the SQUARE D SN400LA Neutral Assembly Kit?

Installation of the SQUARE D SN400LA Neutral Assembly Kit should follow the manufacturer's instructions for Powerpact H and J-Frame enclosures. Typically, the kit mounts to the enclosure interior using provided hardware. Always de-energize the panel and verify compatibility before installation.

Used in

Common applications for SQUARE
Industrial power distribution — Square D HU362AWC non-fusible safety switch for disconnecting three-phase loads up to 60 A.
Busway branch circuits — Square D PQ4203G fusible bus plug for overcurrent protection in I-Line busway systems.
Panelboard surge protection — Square D HL4IMA24C SPD for transient voltage suppression in 277/480V AC wye systems.
Power distribution in control panels — Square D 9080LBA263106 open distribution block for splitting 400 kcmil conductors.
Machine control stations — Square D 9001BG303 push-button station for open/close/stop operations in industrial machinery.
Motor starting and protection — Square D 8536SBG2V02H30S NEMA starter for non-reversing three-phase motor control up to 18 A.

SQUARE Products

3G Electric supplies SQUARE square d circuit breaker enclosure accessories. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Flush Mounting, Indoor (MPN LA400F)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Flush Mounting, Indoor (MPN LA400F)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Flush Mounting, Indoor (MPN J250F)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Flush Mounting, Indoor (MPN J250F)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Indoor (MPN J250S)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Indoor (MPN J250S)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Flush Mounting, Indoor (MPN Q23225NF)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Flush Mounting, Indoor (MPN Q23225NF)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250AWK)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250AWK)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250R)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250R)

More from SQUARE

View all SQUARE parts
SQUARE D Neutral Assembly Kit: 1,000 A Amps, Flush/Surface Mounting (MPN AL800SN)
SQUARE
SQUARE D Neutral Assembly Kit: 1,000 A Amps, Flush/Surface Mounting (MPN AL800SN)
SQUARE D Neutral Assembly: 225 A Amps, H-Frame Circuit Breakers/Q-Frame Circuit Breakers (MPN SN225KA)
SQUARE
SQUARE D Neutral Assembly: 225 A Amps, H-Frame Circuit Breakers/Q-Frame Circuit Breakers (MPN SN225KA)
SQUARE D Neutral Assembly Kit: 100 A Amps, Flush/Surface Mounting (MPN SN100FA)
SQUARE
SQUARE D Neutral Assembly Kit: 100 A Amps, Flush/Surface Mounting (MPN SN100FA)
SQUARE D Neutral Assembly Kit: 400 A Amps, Flush/Surface Mounting (MPN 400SN)
SQUARE
SQUARE D Neutral Assembly Kit: 400 A Amps, Flush/Surface Mounting (MPN 400SN)