Designed for independent mounting configurations, this unit-mount F-Frame breaker comes standard with line and load lugs for immediate wire termination. It fits seamlessly into standalone enclosures and specialized control panels rather than traditional busbar chassis systems. Capable of handling 4 AWG to 4/0 AWG conductors, the device delivers 65kAIC at 240V and 35kAIC at 480V. This non-interchangeable trip unit is HACR rated and serves as a robust solution for commercial power isolation.
What does the L suffix in the FD2175L catalog number indicate?
The L suffix means the breaker is factory-equipped with both line and load terminals. Standard Series C F-frame breakers without this suffix typically include load-side terminals only.
Can I field-install internal accessories like shunt trips in the FD2175L?
No. Eaton specifies that field installation of internal accessories in Series C F-frame breakers voids the UL listing. Internal accessories must be factory installed.
Is the FD2175L suitable for direct current systems?
Yes, this thermal-magnetic breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 10kAIC.
What equipment is compatible with the FD2175L breaker?
This unit-mount F-frame breaker is designed for installation in Eaton Series C panelboards, switchboards, motor control centers, and standalone enclosures.
What wire sizes are compatible with the factory lugs on this breaker?
The included line and load lugs accept either copper or aluminum conductors ranging from 4 AWG to 4/0 AWG.
Are the thermal or magnetic trip settings adjustable on this model?
No, the FD2175L features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous protection but cannot be adjusted in the field.
Is the FD2175L considered a current-limiting circuit breaker?
No, the FD type is a standard interrupting F-frame breaker. If your application requires a current-limiting breaker in the Series C family, you will need an FDC frame instead.
Can the FD2175L be used as a main breaker?
Yes, it can serve as a main or branch breaker as long as the specific panelboard or enclosure accepts a 175-amp, two-pole, unit-mount F-frame breaker.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 14 reviews.
Eaton / Cutler-Hammer FD3175 - 175A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 4 out of 5 stars
7/13/26
175amp molded case circuit breaker
The breaker we purchased was as advertised. The breaker fit perfectly. We purchased reconditioned breaker and it seems to be working properly, accordingly to the golf course maintenance team that supervises the irrigation system.
Next day shipping came quickly even though the 4th of July was coming.
I wish it came with new installations hardware but that isn’t a deal breaker.
MB
Michael B.
Verified Buyer
Reviewing
Eaton / Cutler-Hammer FD3040 - 40A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
1/7/26
Worked perfectly
This circuit breaker installed as expected and performed flawlessly.
DQ
David Q.
Reviewing
Eaton / Cutler-Hammer FD2080 - 80A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/17/23
A+ Seller
Breaker came as described and was shipped out fast!
OC
Oscar C.
Reviewing
Eaton / Cutler-Hammer FD3175 - 175A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
4/20/23
Great Service
Totally recommended
ML
Michael L.
Reviewing
Eaton / Cutler-Hammer FD2050 - 50A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
3/2/22
Quick and Easy
They had what we needed and were able to ship it quickly.