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Circuit Breaker

Square D | LH36400CBA | Circuit Breaker | 400A | 600V

★★★★★
Part Number LH36400CBA
Amperes 400
Voltage 600
Product Type Circuit Breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $2,010.00
Sale price $2,010.00 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.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

Square D | LH36400CBA | Circuit Breaker | 400A | 600V

Regular price $2,010.00
Sale price $2,010.00 Regular price
Unit price
Product description
Shipping

Meet the Square D LH36400CBA circuit breaker—an exact-spec protective device designed for demanding panels where reliability is non-negotiable. With a 400A current rating and 600V maximum operating voltage, this unit is purpose-built to safeguard large electrical systems from overloads and faults while delivering seamless compatibility with established Square D installations.

Key specifications

  • Amperage: 400A
  • Voltage: 600V
  • Part number: LH36400CBA

Why this specific LH36400CBA matters

Maintenance, retrofit, and replacement projects demand exact compatibility. The LH36400CBA is the part number you should reference to ensure a precise fit with your existing panel architecture and bus connections. Using the correct rating and form factor minimizes downtime and avoids compatibility surprises during installation.

Who should consider this breaker?

Electrical teams responsible for servicing industrial or commercial panels, data centers, or manufacturing facilities requiring a 400A, 600V protection device will benefit from using a genuinely compatible Square D breaker. It’s ideal for:

  • Panel maintenance and part replacement in legacy Square D systems
  • Retrofits that require preserving original protection levels and electrical characteristics
  • Spare inventory for quick on-site replacements

Practical guidance to ensure a smooth fit

Before ordering, verify that the LH36400CBA matches your panel’s specifications and ratings. The part number is the best reference for compatibility, helping prevent installation delays and misfits.

  • Handle with standard electrical safety procedures; ensure the circuit is de-energized before replacement
  • Store in a clean, dry environment to preserve performance until installation

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

Verified

Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

Verified

A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • Send your part list and get a fast reply

Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day