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Eaton / Cutler-Hammer FDC2125L Molded Case Circuit Breaker

  • 125A
  • 2 Pole
  • Unit Mount
Eaton / Cutler-Hammer FDC2125L
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU FDC2125L
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  • 125A
  • 2 Pole
  • Unit Mount

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Eaton / Cutler-Hammer FDC2125L - 125A 2 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer FDC2125L - 125A 2 Pole Molded Case Circuit Breaker

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Description

Rated for 125 amps, the Eaton FDC2125L is a 2-pole Series C molded case circuit breaker. This F-frame device is engineered for 600VAC systems and includes line and load lugs. The unit-mount breaker fits Eaton Series C panelboards. It replaces the PDG22P0125TFFJ, offering a superior 35kAIC rating at 600V compared to the PDG2's 18kAIC. Delivering 100kAIC at 480V, the current-limiting design restricts let-through energy. It uses fixed thermal-magnetic trip elements for reliable LI protection.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number FDC2125L
Series FDC
Amperage 125A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 1
AIC Rating 200kA @ 240VAC, 100kA @ 480VAC, 35kA @ 600VAC, 22kA @ 250VDC
Fit and installation
Frame Type F
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Motor Control Centers, Switchboards
Wire Gauge 4 AWG - 4/0 AWG (Cu/Al)
Max Wire 4/0 AWG
Min Wire 4 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Handle Lock
Accessories Line and Load Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, HACR, UL
Temp Rating 40C
Construction Features Current Limiting, HACR Rated, Reverse Feed

Product FAQs

5 answers
What does the L suffix in the FDC2125L catalog number indicate?

The L suffix signifies that the circuit breaker is supplied with factory-installed line and load lugs. These standard terminals are rated to accept 4 AWG to 4/0 AWG copper or aluminum wire.

Which panelboards and enclosures accept the FDC2125L?

This Series C, F-Frame breaker is designed for unit mount installations in Eaton Series C panelboards, switchboards, and motor control centers. It is not compatible with standard residential plug-on load centers.

How does the adjustable magnetic trip work on this breaker?

The FDC2125L features a thermal magnetic trip unit with a fixed thermal rating of 125 amps for overload protection. The magnetic portion is adjustable, allowing electricians to dial in the instantaneous short-circuit trip threshold to suit specific equipment or coordination requirements.

Can the Eaton FDC2125L replace older Westinghouse or Cutler-Hammer models?

Yes. Eaton manufactures the Series C line previously branded under Cutler-Hammer and Westinghouse. The modern Eaton FDC2125L is a direct replacement for legacy breakers from those brands that share the exact same catalog number.

How is the FDC2125L physically mounted?

It is a feed-thru, unit mount circuit breaker. It secures directly to the mounting pan or chassis using screws or bolts, rather than plugging onto a busbar or using a specialized bolt-on bus connection.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 2 reviews
Rating
Ratings
2 reviews
  • RP
    Rondall P.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer FDC3030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/24/22
    Maintenance

    Where do I get invoice

  • AM
    Anthony M.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer FDC3200L - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/4/21
    Emerald was very helpful

    Emerald was very helpful