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circuit-breaker

Square D LJL36600U31X - 600 A, 600 V, 3-Pole Circuit Breaker | AmpState

★★★★★
Part Number LJL36600U31X
Amperes 600
Poles 3
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 $710.00
Sale price $710.00 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
Square D LJL36600U31X - 600 A 600 V 3-Pole Circuit Breaker | AmpState - Circuit Breakers

Square D LJL36600U31X - 600 A, 600 V, 3-Pole Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

Meet the Square D LJL36600U31X—a rugged 600A, 600V, 3-pole molded-case circuit breaker designed to protect your panelboards and loadcenters with confidence. Distributed by AmpState, this breaker is built to handle demanding residential, commercial, and light industrial environments by providing reliable branch circuit overcurrent and short-circuit protection.

Why this breaker stands out

  • Compact molded-case design optimizes panel space and simplifies wiring in crowded panels, helping you fit more protection where it’s needed.
  • Thermal-magnetic trip unit delivers stable, repeatable protection performance across varying loads and conditions, reducing nuisance trips and enhancing reliability.
  • OEM-compatible with matching Square D loadcenters and panelboards for coordinated protection, clear labeling, and straightforward installation.
  • 3-pole, 600A, 600V configuration ideal for 3-phase systems and high-current feeders, making it suitable for larger residential service panels as well as commercial applications.
  • Purpose-built for branch circuit protection—it guards wiring and connected equipment from overcurrent and short-circuit conditions, helping prevent damage and downtime.

Best use cases

Use the Square D LJL36600U31X in panelboards and loadcenters where robust 3-phase protection is required. It’s well-suited for:

  • Residential service upgrades that demand high-current, reliable protection for main feeders
  • Commercial electrical rooms with 3-phase equipment and heavy loads
  • Light industrial installations where durable 600A protection supports motors, conveyors, and other equipment

Who should consider this breaker

Electrical professionals and facility managers who value compatibility within the Square D ecosystem will appreciate the seamless integration with matching loadcenters and panelboards. If you need a dependable, space-efficient 3-pole solution for 600A service protection, this unit aligns with your system’s protection philosophy and installation needs.

Technical snapshot

  • Manufacturer: Square D
  • Part number: LJL36600U31X
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage rating: 600A
  • Voltage rating: 600V
  • Number of poles: 3
  • Application: Branch circuit overcurrent and short-circuit protection

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

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

Need help?

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

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