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Eaton / Cutler-Hammer FDB2125L Molded Case Circuit Breaker
- 125A
- 2 Pole
- Unit Mount
Eaton / Cutler-Hammer
FDB2125L
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
FDB2125L
Quantity
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Eaton / Cutler-Hammer FDB2125L - 125A 2 Pole Molded Case Circuit Breaker
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Description
The Eaton FDB2125L is a 2-pole, 125A unit mount molded case circuit breaker designed for standalone or control panel applications. Part of the Series C F-Frame lineup, it comes standard with line and load lugs for flexible wiring. This thermal-magnetic breaker provides fixed long-time and instantaneous (LI) trip functions. Rated at 14kAIC at 480VAC and 18kAIC at 240VAC, it is HACR rated and reverse feed capable. It replaces older FD2125 breakers.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FDB2125L |
| Series | FDB |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| 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 |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| 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, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
6 answersWhat does the "L" suffix mean in the FDB2125L catalog number?
The "L" suffix indicates that the breaker is factory-equipped with both line and load terminals. Breakers without this suffix typically only include load-side terminals.
Can the Eaton FDB2125L be reverse fed?
Yes, Eaton Series C F-Frame thermal-magnetic circuit breakers, including the FDB2125L, are suitable for reverse feed applications.
What equipment is compatible with the FDB2125L?
This F-Frame breaker is designed for installation in Eaton Series C panelboards, switchboards, and motor control centers.
What is the difference between the FDB2125L, FD2125L, and HFD2125L?
These breakers share the same physical F-Frame dimensions but have different interrupting capacities. The FDB is rated for 14kAIC at 480VAC, the FD is rated for 35kAIC at 480VAC, and the HFD is rated for 65kAIC at 480VAC.
Is the FDB2125L rated for direct current applications?
Yes, this breaker is rated for use in DC systems up to 250VDC with an interrupting capacity of 10kAIC.
What wire sizes do the standard lugs on the FDB2125L accept?
The included line and load lugs accept 4 AWG to 4/0 AWG copper or aluminum wire.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
2 reviews
- BBrentVerified BuyerReviewingEaton / Cutler-Hammer FDB3060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Breaker was as expected.
Breaker was clean, you could not tell it was used.
- RFRussell F.Verified BuyerReviewingEaton / Cutler-Hammer FDB3025 - 25A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/24/26Right product, right time
This is what I needed, and I got it in time.