Built for demanding industrial applications, the Eaton FDC2020 provides reliable thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions. This F-frame breaker installs into Eaton Series C panelboards, switchboards, and motor control centers. It features a unit mount design and includes load side lugs for secure terminations. Rated for 200kAIC at 240VAC and 100kAIC at 480VAC, this current-limiting MCCB is HACR rated and supports reverse feed capability.
Current Limiting, HACR Rated, Reverse Feed, Non-Interchangeable Trip
Product FAQs
7 answers
What is the difference between the FDC2020 and the standard FD2020?
Both are 20-amp, 2-pole F-frame breakers, but the FDC2020 features an ultra-high interrupting capacity of 100kA at 480VAC. The standard FD2020 is only rated for 35kA at 480VAC.
Can the Eaton FDC2020 replace legacy Westinghouse or Cutler-Hammer models?
Yes. Eaton acquired both the Westinghouse and Cutler-Hammer distribution equipment lines. The FDC2020 is a direct, drop-in replacement for older Westinghouse or Cutler-Hammer breakers bearing the exact same catalog number.
What type of mounting does the FDC2020 require?
This is a unit mount, bolt-on circuit breaker. It is designed to be bolted directly to the chassis or baseplate in compatible equipment and does not snap onto a DIN rail or plug into a standard load center.
What does the LI trip function specify for this F-frame breaker?
The LI designation stands for Long-Time and Instantaneous trip functions. This is a standard thermal-magnetic configuration where the thermal element handles long-time overload protection and the magnetic element provides instantaneous short-circuit protection. Both settings are fixed on this 20-amp model.
Can the FDC2020 be used in direct current systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 22kA.
What wire sizes are compatible with the standard lugs on this breaker?
The factory-installed lugs accept wire gauges from 14 AWG up to 1/0 AWG. The terminals are rated for both copper and aluminum conductors, making them versatile for various panel wiring configurations.
Which enclosures are approved for the FDC2020 breaker?
This breaker is designed for use in Eaton Series C panelboards, switchboards, and motor control centers. It requires a bolt-on connection and is not compatible with residential plug-on load centers.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.