Delivering high-performance circuit protection, the Eaton FDC2175 is a 2-pole, 175A molded case circuit breaker. It belongs to the proven Series C F-Frame family and features a fixed thermal-magnetic trip unit for reliable fault response. This unit mount breaker is engineered for compatibility with Eaton Series C panelboards, switchboards, and motor control centers. With an impressive interrupting rating of 100 kAIC at 480VAC, it handles severe short circuits safely and is fully HACR rated.
Current Limiting, HACR Rated, Reverse Feed, Non-Interchangeable Trip
Product FAQs
8 answers
What enclosures and equipment are compatible with the FDC2175 breaker?
The FDC2175 is designed for use in Eaton Series C panelboards, switchboards, and motor control centers that accept F-frame circuit breakers.
Can I use the FDC2175 to replace an older Cutler-Hammer or Westinghouse FDC2175?
Yes. Eaton acquired the distribution equipment division of Westinghouse, so Cutler-Hammer, Westinghouse, and Eaton FDC2175 breakers share the same physical F-frame dimensions and are directly interchangeable.
What does the C in the FDC2175 part number indicate?
The C designates this as the ultra-high interrupting capacity, current-limiting version of the Series C F-frame. It provides up to 100 kAIC at 480VAC, which is significantly higher than standard FD or HFD breakers.
Can the FDC2175 replace an FD2175 or HFD2175 breaker?
Yes. Because they share the same Series C F-frame footprint, the FDC2175 will physically fit in the same space as an FD2175 or HFD2175 while providing a higher interrupting capacity for systems with higher available fault currents.
Is the Eaton FDC2175 suitable for reverse-feed applications?
Yes. Standard thermal-magnetic Series C F-frame breakers like the FDC2175 are suitable for reverse-feed use, meaning they can be back-fed without compromising their protective functions.
Is the FDC2175 rated for use with heating, air conditioning, and refrigeration equipment?
Yes, all Eaton Series C F-frame circuit breakers are HACR rated, making the FDC2175 suitable for protecting HVACR circuits.
What wire sizes are accepted by the standard lugs on the FDC2175?
The standard lugs accept copper or aluminum conductors ranging from 4 AWG to 4/0 AWG.
Are the trip settings on the FDC2175 adjustable?
No. The FDC2175 features a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous trip functions are factory-set and cannot be adjusted in the field.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.