Part of the Series C family, the HJD3100 is a 3-pole molded case circuit breaker built for industrial power distribution. It ensures consistent overcurrent protection. This 100A unit-mount breaker fits Eaton Series C panelboards, switchboards, and motor control centers. It easily replaces older Cutler-Hammer J-frame installations. Equipped with a fixed thermal-magnetic trip unit, it boasts a 65 kAIC capacity at 480VAC. TA250KB line and load lugs are included to simplify wiring.
HACR Rated, Reverse Feed, High Interrupting Capacity
Product FAQs
6 answers
What equipment is compatible with the HJD3100 circuit breaker?
This J-frame breaker is designed for installation in Eaton Series C panelboards, switchboards, and motor control centers.
What is the difference between the Eaton JD3100 and HJD3100?
The HJD3100 features a higher interrupting capacity. The standard JD3100 is rated for 35kA at 480VAC, whereas the high-interrupting HJD3100 is rated for 65kA at 480VAC.
What lugs are included with the HJD3100?
This breaker comes standard with TA250KB line and load lugs. These terminals accept 4 AWG to 350 kcmil aluminum or copper conductors.
Is the trip unit on the HJD3100 adjustable?
Yes, it features a thermal-magnetic trip unit with fixed thermal protection and an adjustable magnetic short-circuit pickup. For this 100A model, the magnetic trip can be adjusted from 500A to 1000A (5 to 10 times the continuous rating).
Can the HJD3100 be reverse fed?
Yes, this Series C breaker is rated for reverse feed applications, allowing flexibility in wiring the line and load connections.
Can the HJD3100 replace older Westinghouse J-frame breakers?
Yes, it is a direct replacement for legacy Westinghouse and Cutler-Hammer Series C J-frame breakers that require a 100A, 3-pole configuration with high interrupting capacity.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Exactly what we needed, delivered complete and on time.
SuperBreakers had exactly what we needed (Breaker, Trip Unit, lug kits) - the breaker came quickly and with trip unit installed (ordered as a separate item) making integration quick and easy.
Solid phone support and communication re: tracking - overall a very good purchasing experience.