Engineered for heavy-duty industrial environments, the Eaton FDC3175L provides reliable overcurrent protection as part of the Series C F-Frame family. This 3-pole, 175A molded case circuit breaker handles demanding commercial applications. The unit mount design installs into Eaton Series C panelboards, switchboards, and motor control centers. It accepts 4 AWG to 4/0 AWG wire and includes both line and load lugs for immediate integration.
Current Limiting, HACR Rated, Reverse Feed, Non-Interchangeable Trip
Product FAQs
6 answers
What is the difference between the Eaton FD3175, HFD3175, and FDC3175L?
These are all 175A, 3-pole, Series C F-frame breakers with identical physical dimensions, but they feature different interrupting capacities. The FD3175 is rated at 35kAIC at 480V, the HFD3175 is rated at 65kAIC at 480V, and the FDC3175L offers the highest rating at 100kAIC at 480V.
What does the "L" in the FDC3175L catalog number indicate?
The "L" suffix indicates that the circuit breaker comes factory-equipped with both line and load side lug terminals. Standard FDC breakers without this suffix typically include load side terminals only.
Can the FDC3175L be reverse fed?
Yes, this thermal-magnetic F-frame breaker is suitable for reverse feed applications. It does not have restricted line and load directional markings, allowing it to be back-fed in compatible enclosures.
What equipment is compatible with the FDC3175L breaker?
This unit is designed to bolt into Eaton and Cutler-Hammer Series C panelboards, switchboards, and motor control centers. It is also a direct replacement for legacy Westinghouse Series C F-frame breakers.
Is the FDC3175L suitable for direct current (DC) applications?
Yes, in addition to its standard AC ratings, this thermal-magnetic breaker is rated for use in 250VDC systems with an interrupting capacity of 22kA.
Does the FDC3175L provide ground fault or arc fault protection?
No, this is a standard thermal-magnetic circuit breaker designed for overload and short-circuit protection. It does not include GFCI or AFCI safety features.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.