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Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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circuit-breaker
Square D LA36400 400A 3P 600V Circuit Breaker | AmpState
| Part Number | LA36400 |
| Amperes | 400 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | circuit-breaker |
Regular price
$7,881.00
Sale price
$7,881.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D LA36400 400A 3P 600V Circuit Breaker | AmpState
Regular price
$7,881.00
Sale price
$7,881.00
Regular price
Unit price
Product description
Shipping
The Square D LA36400 400A 3P 600V circuit breaker is built for everyday electrical work, delivering dependable circuit protection for panelboards, load centers, and electrical distribution systems. Designed with retrofit and maintenance in mind, this 3-pole breaker keeps your service consistent by using the same part number across projects, reducing downtime and confusion during replacements.
Why choose the LA36400 for your electrical panel?
- High-capacity protection: 400 A rating supports main feeders in mid-to-large commercial and light industrial panels.
- Three-pole design: Provides balanced protection across three phases for reliable, synchronized operation.
- 600V suitability: Ready for typical commercial/industrial distribution networks and equipment ratings.
- Retrofit-friendly continuity: Part number LA36400 is ideal for retrofit work and long-term maintenance planning, helping ensure compatibility with existing Square D installations.
- Trusted brand: Square D (Schneider Electric) reliability and widely supported parts ecosystem.
- Available from AmpState: Easy to source, with support to confirm fit if you’re matching a specific part number.
Ideal use cases include upgrading main feeders in panelboards and load centers, replacing failed breakers in established electrical distributions, and coordinating maintenance plans where a stable part number matters. This 400A 3P 600V circuit breaker is a practical, durable choice for ensuring consistent protection and service continuity in commercial and industrial environments.
Specifications
- Manufacturer: Square D
- Part Number: LA36400
- Product Type: Circuit Breaker
- Amperage: 400 A
- Poles: 3
- Voltage: 600V
- Availability: AmpState
Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.
Contact sales@ampstate.com
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