A robust solution for facility power, the Eaton FDB2100 is a 100A, 2-pole molded case circuit breaker. It utilizes thermal-magnetic technology to provide essential long-time and instantaneous protection. Featuring load side lugs, this F-Frame device is optimized for panel mounting in Eaton Series C panelboards and motor control centers. It easily replaces older 100A installations. Rated 14kAIC at 480VAC, it is HACR rated and reverse feed capable.
Can the Eaton FDB2100 be used in reverse feed applications?
Yes. All Eaton Series C F-Frame molded case circuit breakers, including the FDB2100, are suitable for reverse feed use.
Is the FDB2100 a direct replacement for older Westinghouse breakers?
Yes. Eaton acquired the Westinghouse distribution equipment line. The Eaton FDB2100 directly replaces the legacy Westinghouse FDB2100, maintaining the exact same physical dimensions and mounting footprint.
What panelboards are compatible with the FDB2100 circuit breaker?
This breaker installs into Eaton and Cutler-Hammer Series C panelboards, specifically the PRL3a and PRL4 models, as well as compatible switchboards and motor control centers.
Is the FDB2100 HACR rated for HVAC equipment?
Yes. All Eaton F-Frame molded case circuit breakers carry an HACR rating, making them suitable for heating, air conditioning, and refrigeration applications.
What is the difference between the FDB2100 and the FD2100 or HFD2100?
The difference is the interrupting capacity. The FDB2100 is the standard tier rated at 14kAIC at 480VAC. The FD2100 is rated at 35kAIC, and the HFD2100 is rated at 65kAIC at 480VAC. All three share the same physical F-Frame footprint.
Where can I find the lug torque specifications for this breaker?
The required torque values for the line and load terminals are printed directly on the circuit breaker nameplate. Always use a calibrated torque wrench during installation to ensure a secure connection.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.