Built for demanding industrial applications, the Eaton FDC2150L is a 2-pole, 150A molded case circuit breaker. As part of the Series C F-Frame lineup, it utilizes a non-interchangeable thermal-magnetic trip unit to deliver precise LI protection. Designed for unit mount installations, this breaker comes equipped with both line and load lugs for feed-thru configurations. It features a high interrupting capacity of 100 kAIC at 480VAC, is current limiting, and supports reverse feed operations.
Current Limiting, HACR Rated, Non-Interchangeable Trip
Product FAQs
7 answers
Can the FDC2150L be reverse fed?
Yes, Eaton Series C F-frame thermal-magnetic circuit breakers, including the FDC2150L, are suitable for reverse feed applications. Always ensure the system is completely de-energized before installation or maintenance.
What is the difference between the FDC2150L and the FDB2150 or HFD2150?
While all three are 150A, 2-pole, F-frame breakers, they differ in their interrupting capacity at 480VAC. The FDB2150 is standard-rated at 14kAIC, the HFD2150 is high-rated at 65kAIC, and the FDC2150L is ultra-high-rated at 100kAIC.
What does the "L" suffix in the FDC2150L catalog number indicate?
The "L" suffix denotes that the breaker is supplied with both line and load side lugs installed from the factory, making it ready for standard feed-thru cable connections.
Do I need special lugs for aluminum wire on the FDC2150L?
No, the standard factory-installed lugs are dual-rated for both copper and aluminum conductors ranging from 4 AWG to 4/0 AWG. Ensure you apply the correct torque specified on the breaker faceplate and use an appropriate oxide inhibitor when terminating aluminum wire.
Will the FDC2150L fit in standard residential load centers?
No, this is an industrial F-frame molded case circuit breaker designed for unit mount installations in Eaton Pow-R-Line 2a and 3a panelboards, Series C switchboards, and motor control centers. It is not compatible with residential BR or CH style load centers.
What does the "FDC" designation indicate compared to standard FD breakers?
The FDC prefix designates an ultra-high interrupting capacity Series C breaker. It delivers up to 200kAIC at 240VAC and 100kAIC at 480VAC, making it suitable for systems with extremely high available fault currents where standard FD or HFD breakers would be insufficient.
Can the trip unit on the FDC2150L be adjusted or replaced?
No, the FDC2150L features a non-interchangeable thermal-magnetic trip unit with fixed thermal and fixed magnetic settings. It provides reliable, tamper-resistant long-time and instantaneous (LI) protection.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.