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Eaton molded case circuit breaker accessory motor circuit protector
Manufacturer Resources
Product Specs
- Catalog Notes:
- For DC applications, actual trip levels are approximately 40% higher than values shown. Comes with aluminum body terminals (3TA400K). Motor FLA ranges are typical. The corresponding trip setting is at 13 times the minimum FLA value shown.
- Compliances:
- Contact Manufacturer
- Product Height:
- 2.6 IN
- Product Length Depth:
- 8.6 IN
- Product Weight:
- .25 LB
- Product Width:
- 2.7 IN
- Department:
- Electrical
B-LINE HM2P400J5 – Frequently Asked Questions
1) Does the Eaton HM2P400J5 motor circuit protector come with terminals, or do I need to order lugs separately?
Terminals are included. The HM2P400J5 ships with aluminum body terminals, catalog number 3TA400K, so you are not sourcing a separate lug kit to land conductors.
2) How is the trip setting on the HM2P400J5 motor circuit protector related to the motor full load amps?
On the HM2P400J5, the trip point corresponds to 13 times the minimum full load amp value in its motor FLA range. Those FLA ranges are typical values, so size against the actual nameplate FLA of the motor you are protecting rather than a rule of thumb.
3) Can I use this Eaton motor circuit protector on a DC circuit?
It can be applied on DC, but the trip levels shift. On DC, actual trip levels run roughly 40 percent higher than the published AC values for the HM2P400J5, so the protection point is not the same number you would work from on an AC feeder. Account for that before you rely on it for DC motor protection.
4) Is a motor circuit protector like the HM2P400J5 the same thing as a standard molded case circuit breaker?
No. A motor circuit protector such as the HM2P400J5 is an instantaneous-trip device intended for motor branch circuit short circuit protection, set as a multiple of the motor full load amps (here, 13 times the minimum FLA of its range). It is not a substitute for a thermal-magnetic molded case breaker used for general feeder and branch overcurrent protection, and it does not stand in for the motor overload relay in the starter.
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Does the B-LINE HM2P400J5 come with a warranty?
Absolutely. The B-LINE HM2P400J5 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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