Delivering advanced microprocessor-based safety, the Eaton FDE322535 Series C breaker provides optimized protection for commercial and industrial facilities. This panel-mount MCCB is engineered to fit into Eaton switchboards and motor control centers. It comes standard with load-side terminals to accommodate specific wiring configurations. Its Digitrip 310+ LSG electronic trip unit incorporates built-in ground fault protection alongside adjustable long and short-time settings.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Line Side Lugs
Accessories
Load Side Terminals
Standards
CSA C22.2 No. 5, NEMA AB-1, UL 489
Approval
CSA, UL
Temp Rating
40C
Construction Features
HACR Rated, Reverse Feed, True RMS Sensing
Product FAQs
6 answers
What panelboards are compatible with the FDE322535?
This F-Frame breaker is designed for installation in Eaton Series C panelboards, switchboards, and motor control centers (MCCs).
Can this breaker be used to replace older Cutler-Hammer F-Frame models?
Yes, Eaton and Cutler-Hammer Series C F-Frame breakers share the same dimensions and mounting hardware. The FDE322535 can directly replace older 225A F-Frame models in existing enclosures, provided the electronic trip and LSG functions meet your system requirements.
What is the difference between Eaton FD and FDE circuit breakers?
Both belong to the Series C F-Frame family and share the same physical footprint. However, FD breakers use standard thermal-magnetic trip units, while FDE breakers feature solid-state electronic trip units for more precise coordination and adjustability.
What does the LSG trip function code mean on this breaker?
LSG stands for Long-Time, Short-Time, and Ground Fault. This solid-state electronic trip unit allows you to adjust these three specific parameters to ensure proper system coordination and equipment protection.
How are the trip parameters configured on the FDE322535?
The electronic trip unit includes adjustable dials on the front of the breaker. These allow you to set the specific current ratings and time delays for the long-time, short-time, and ground fault protection functions.
Why choose an FDE electronic trip breaker over a standard thermal-magnetic breaker?
Electronic trip units provide tighter tolerances on protection curves and greater adjustability. This makes them ideal for complex commercial or industrial systems that require precise selective coordination and integrated ground fault protection.
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