SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Flush Mounting
The SQUARE D LA400F is an L-Frame Square D circuit breaker enclosure designed for indoor use. It features 3 spaces, a 400 A amp rating, and a flush mounting style. This enclosure is compatible with Square D LAL and…
SKU 3G-OTH-23155
Need installation or engineering help?
Ask a question
Product Description
The SQUARE D LA400F is an L-Frame Square D circuit breaker enclosure designed for indoor use. It features 3 spaces, a 400 A amp rating, and a flush mounting style. This enclosure is compatible with Square D LAL and LHL circuit breakers.
Frequently Asked Questions
What is the SQUARE D LA400F circuit breaker enclosure used for?
The SQUARE D LA400F is an L-Frame enclosure for indoor flush mounting. It houses Square D LAL and LHL circuit breakers up to 400 A, providing a safe, code-compliant housing for branch circuit protection in commercial and industrial electrical panels.
What are the specifications of the SQUARE D LA400F enclosure?
The LA400F is a 3-space, 400 A rated enclosure from Square D. It is designed for indoor use with flush mounting and is compatible with Square D LAL and LHL circuit breakers. The manufacturer part number is LA400F.
Where to buy the SQUARE D LA400F enclosure worldwide?
3G Electric supplies the SQUARE D LA400F enclosure to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Square D L-Frame enclosure.
How to install the SQUARE D LA400F flush-mount enclosure?
Install the LA400F by cutting a rough opening in the wall to the enclosure dimensions, securing it flush with the finished surface, and running conduit to the knockouts. Always follow local electrical codes and Square D's installation instructions for safe termination of LAL or LHL breakers.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D l-frame square d circuit breaker enclosures. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











