Eaton HMCP250J5WD01 Motor Circuit Protector is rated 250A, 600VAC and 250VDC, with 3 poles and 3 phases. It features adjustable magnetic tripping, an instantaneous trip function and magnetic-only trip technology. This Series C, HMCP series unit has a J frame and panel mounting. It measures 4.13 in wide, 10 in high and 4.06 in deep, with 0.250-20 Imperial line and load terminal connections and UL, CSA and CE approvals.
What protection does the Eaton HMCP250J5WD01 provide for a motor circuit?
This motor circuit protector uses a magnetic-only, instantaneous trip to respond to short-circuit current without an intentional delay. Use it as the short-circuit protection element in a motor circuit with separate overload protection.
How does the adjustable magnetic trip help with motor starting?
The adjustable magnetic trip lets you set the current threshold for instantaneous tripping. Select the setting to accommodate motor starting current while meeting the circuit's short-circuit protection requirements.
How should I use the 250A rating when selecting this motor circuit protector?
The HMCP250J5WD01 has a rated current of 250A. Use that rating in motor-circuit sizing, and evaluate the magnetic trip setting separately because the current rating is not the adjustable trip threshold.
Can this motor circuit protector be selected for AC or DC service?
It is rated 600VAC and 250VDC. Select it against the applicable AC or DC circuit voltage, keeping within the rating for that type of power.
What do the three poles mean for a three-phase motor circuit?
The three poles provide a current path for each phase conductor in a three-phase circuit. Plan the line and load connections around those three phase paths.
What dimensions should I use when planning the mounting layout?
The HMCP250J5WD01 measures 4.13 in wide, 10 in high and 4.06 in deep. Use all three dimensions when planning the mounting layout and physical space allocation.
What connections are used at the line and load terminals?
Both line and load terminal connections are 0.250-20 Imperial. Line terminals receive incoming power, and load terminals feed the motor circuit, so plan terminations on both sides around this connection size.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 23 reviews.
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.