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Eaton / Cutler-Hammer HMCP400D5 Motor Circuit Protector

  • 400A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer HMCP400D5
Motor Circuit Protector
Brand Eaton / Cutler-Hammer
SKU HMCP400D5
Select Item Condition
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  • 400A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer HMCP400D5 - 400A 3 Pole Motor Circuit Protector

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$1,642.10 Check Stock

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Description

Built for industrial motor control, the HMCP400D5 delivers reliable instantaneous-only protection. This 400A, 3-pole motor circuit protector features an adjustable magnetic trip range of 500 to 1000A, allowing precise coordination with motor inrush currents. It installs into Eaton Series C motor control centers and pairs with NEMA Size 5 starters. Standard line and load lugs are included. Rated 35 kAIC at 480VAC, this K-frame device clears low-level faults to prevent equipment damage.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number HMCP400D5
Series HMCP
Amperage 400A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Series C Motor Starters (NEMA Size 5), Motor Control Centers
Wire Gauge (2) 3/0 AWG - 250 kcmil or (1) 3/0 AWG - 500 kcmil (Al/Cu)
Max Wire 500 kcmil
Min Wire 3/0 AWG
Protection and operation
Trip Technology Magnetic Only
Trip Function Code I
Trip Function Instantaneous Only
Trip Adjustability Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment
Accessories Line and Load Terminals
Standards CSA C22.2 No. 5.1, IEC 60947-2, UL 489
Approval CE, CSA, UL, UR
Temp Rating 40C

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Reviews

4.9
Rated 4.9 out of 5 stars
Based on 23 reviews
Rating
Ratings
23 reviews
  • JG
    Jay G.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HMCP030H1C - 30A 3 Pole Motor Circuit Protector
    I recommend this product
    Rated 5 out of 5 stars
    9/15/26
    Perfect fit

    Customer up and running

  • JG
    Jay G.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HMCP050K2 - 50A 3 Pole Motor Circuit Protector
    I recommend this product
    Rated 5 out of 5 stars
    9/15/26
    Eaton circuit breaker

    This replaced an old Cutler Hammer and it was a perfect fit

  • JW
    Joe W.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HMCP100R3 - 100A 3 Pole Motor Circuit Protector
    I recommend this product
    Rated 5 out of 5 stars
    8/28/26
    Best price around.

    Bought as a direct replacement.

    Item was very well packed to prevent damage during transit.

    It is working as it should.

  • RM
    Ryan M.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HMCP015E0C - 15A 3 Pole Motor Circuit Protector
    I recommend this product
    Rated 5 out of 5 stars
    7/1/26
    Great price and prompt delivery

    Very satisfied, will be a return customer.

  • CH
    curtis h.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HMCP150T4C - 150A 3 Pole Motor Circuit Protector
    I recommend this product
    Rated 5 out of 5 stars
    5/1/26
    150AMP CUTLER HAMMER/ EATON BREAKER

    Brand new in the box. They go the extra mile in shipping and packaging to made sure we receive in the best condition. Great price and James takes great care of us.