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Circuit Breaker

Square D | LIF36450 | Circuit Breaker | 450A | 3-Pole | 600V

Part Number LIF36450
Amperes 450
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 $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
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FREE & fast shipping on orders over $49
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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 | LIF36450 | Circuit Breaker | 450A | 3-Pole | 600V

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

Meet the Square D LIF36450 Circuit Breaker — a purpose-built, high-capacity solution for industrial and commercial power distribution. Rated at 450A with a 3-pole, 600V design, this breaker provides reliable overcurrent protection for three-phase systems, making it ideal for maintenance, retrofit projects, and exact-match replacements in compatible panels.

Core specifications at a glance

  • Amperage: 450A
  • Poles: 3-Pole
  • Voltage: 600V

Important note: Confirm fit and ratings before ordering. The LIF36450 part number is the best reference for compatibility, ensuring you retrieve the correct unit for your Square D panel and bus configuration.

Why choose this LIF36450 for your project

  • Designed for maintenance, retrofit, and replacement scenarios where exact specifications are essential, reducing downtime and compatibility risk.
  • Supports robust three-phase protection with a single, reliable 450A, 600V solution, aligning with common industrial electrical infrastructure.
  • Part of the Square D lineup, offering familiar performance, proven reliability, and streamlined integration with existing Square D panels and accessories.

Ideal use cases

  • Upgrading aging electrical distribution in manufacturing lines, warehouses, and processing facilities.
  • Retrofits to restore protection in existing Square D installations where a 450A, 3-pole, 600V unit is required.
  • Replacement for failed or obsolete breakers in high-current, three-phase networks demanding consistent protection.

What sets it apart from alternatives

Rather than a generic, one-size-fits-all breaker, the LIF36450 is purpose-matched to Square D panels and the LIF family’s mounting and bus configurations. This alignment minimizes installation guesswork and helps preserve electrical system compatibility, performance, and safety margins.

Practical tips for selecting and handling

  • Always verify the exact part number and refer to panel labeling to confirm compatibility before purchase.
  • Coordinate with a licensed electrician to ensure correct mounting, bus alignment, and safe energization of high-current, three-phase circuits.
  • Store spares in original packaging and handle with care to preserve terminal integrity and mechanical fit.

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

Feels well-built and suitable for everyday plant and maintenance use.

Facilities · Manufacturing

Verified

Lead time was reasonable and the part matched expectations when it arrived.

Procurement · Ontario

Verified

Good value for industrial use. Customers mention easy installation.

Service tech · Field work

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