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Circuit Breaker

Square D | MXF36450 | Circuit Breaker | 450A | 3-Pole | 600V

Part Number MXF36450
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
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 | MXF36450 | Circuit Breaker | 450A | 3-Pole | 600V

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

When your electrical system demands robust protection for a high-load, three-phase setup, the Square D MXF36450 circuit breaker stands up to the task. Engineered for maintenance, retrofit, and replacement projects, this 450A, 3-pole device provides reliable interruption in demanding industrial environments while keeping installation straightforward.

Key specifications

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

Why this MXF36450 matters for your project

  • OEM precision with a trusted reference: The part number MXF36450 is the best reference for compatibility, helping you match breakers to Square D panelboards and enclosures.
  • Designed for retrofit and replacement: Use this when upgrading or renewing protection in existing installations where the 450A, 3-pole, 600V rating is required.
  • Simple verification process: Before ordering, confirm fit and ratings against your equipment label and panel catalog to avoid mismatches.

Who this is for

  • Facility managers and electrical contractors maintaining industrial or commercial facilities with 3-phase power distribution.
  • OEMs and installers performing panel retrofits or upgrades that require precise Square D compatibility.
  • Maintenance teams seeking a dependable high-current protection solution that aligns with established Square D standards.

Practical considerations and usage tips

  • Always verify that the panel or switchgear you’re working with is rated for 450A, 3-pole, and 600V before installation.
  • Keep a copy of the part number MXF36450 handy as the quickest reference for future replacements or service upgrades.
  • Follow all electrical codes and manufacturer instructions during installation and replacement to ensure safe operation.

Use-case scenarios

  • High-current 3-phase feeders in manufacturing facilities powering large motors, presses, and CNC equipment where reliable protection and quick isolation are critical.
  • Panelboard retrofits or replacements in aging switchgear where exact Square D specifications ensure seamless compatibility and minimal downtime.
  • Maintenance cycles that require a like-for-like replacement to maintain system protection and avoid unnecessary wiring changes.

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