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circuit-breaker

Eaton HMCP400D5X - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

Part Number HMCP400D5X
Amperes 400
Poles 3
Voltage 600
Product Type circuit-breaker
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Manufacturer :Eaton
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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
Save

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
Eaton HMCP400D5X - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

Eaton HMCP400D5X - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState

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

Powerful and dependable, the Eaton HMCP400D5X is a 400A, 600V, 3-pole molded case circuit breaker designed to protect branch circuits in panelboards and loadcenters. Built for steady performance in residential, commercial, and light industrial electrical systems, it provides reliable overcurrent and short-circuit protection where it matters most.

Key advantages you’ll notice:

  • Compact molded case design that maximizes panel space and simplifies layout in tight electrical enclosures
  • Thermal-magnetic trip unit delivers stable, repeatable protection across temperature variations and loads
  • Proven compatibility with matching OEM loadcenters and panelboards, ensuring a seamless, dependable installation
  • With a 3-pole configuration, it guarantees simultaneous disconnection of all phases, enhancing safety for multi-wire circuits
  • Suitable for a wide range of applications—from small commercial panels to light industrial distributors

What it does for you

  • Protects feeders and branch circuits from overloads and short circuits, helping prevent equipment damage and electrical fires
  • Supports scalable panel designs, allowing you to consolidate protection at the main or subpanel level without compromising reliability
  • Delivers predictable, repeatable trip performance, reducing nuisance trips and downtime in busy facilities

Technical essentials

  • Manufacturer: Eaton
  • Part Number: HMCP400D5X
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage Rating: 400A
  • Voltage Rating: 600V
  • Number of Poles: 3
  • Application: Branch circuit overcurrent and short-circuit protection

Installation and compatibility tips

  • Ensure your panelboard or loadcenter is designed to accept a 3-pole molded case breaker with a 400A rating for safe and reliable operation
  • Pair this breaker with the corresponding OEM loadcenter components to maintain optimized protection and coordination
  • Follow the manufacturer’s torque specifications and wiring practices when terminating conductors to the breaker terminals

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What Our Customers Say

4.9 (38 reviews)

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

Verified

Matched our existing hardware and fit as expected. Clean install.

Maintenance · Retrofit work

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Quick confirmation on details and a smooth ordering process.

Purchasing · Fast turnaround

Verified

Came well packed. Labeling made receiving and staging easy.

Warehouse · Receiving

Fast industrial sourcing support

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

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