Eaton / Cutler-Hammer FD4225 Molded Case Circuit Breaker
- 225A
- 4 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer FD4225 - 225A 4 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Quantity
Eaton / Cutler-Hammer FD4225 - 225A 4 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FD4225 |
| Series | FD |
| Amperage | 225A |
| Poles | 4 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Quantity
Eaton / Cutler-Hammer FD4225 - 225A 4 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FD4225-R |
| Series | FD |
| Amperage | 225A |
| Poles | 4 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Description
Built to manage substantial electrical loads, the Eaton FD4225 is a 4-pole, 225A molded case circuit breaker from the proven Series C family. It delivers essential overcurrent and short-circuit protection for complex commercial and industrial environments. This bolt-on breaker fastens securely into Eaton panelboards, switchboards, and motor control centers. It features a fixed thermal-magnetic trip unit with a 35kAIC rating at 480VAC, ensuring robust performance and reverse feed capability.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FD4225-R |
| Series | FD |
| Amperage | 225A |
| Poles | 4 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersWhich enclosures are compatible with the Eaton FD4225 circuit breaker?
This F-Frame breaker is designed specifically for installation in Eaton Series C panelboards, switchboards, and motor control centers. It is not interchangeable with standard residential load centers.
What are the wire size requirements for the standard lugs on this breaker?
The factory-installed lugs accommodate either copper or aluminum conductors ranging from 4 AWG to 4/0 AWG. Ensure proper torque specifications are followed during installation to prevent terminal overheating.
How is the FD4225 secured within the electrical panel?
This is a bolt-on circuit breaker. It must be mechanically bolted directly to the busbars of a compatible Series C distribution panel or switchboard, ensuring a secure and high-capacity electrical connection.
Can this 4-pole breaker be utilized in DC electrical systems?
Yes. In addition to its AC ratings, the FD4225 is rated for up to 250VDC with a 10kAIC interrupting capacity, allowing it to be used in industrial DC control panels or battery backup applications.
How does the thermal-magnetic trip unit operate on the FD4225?
The fixed thermal-magnetic (LI) trip unit provides dual protection. The thermal component offers a long-time delay to prevent overheating from sustained overloads, while the magnetic component provides an instantaneous trip response to clear severe short circuits.
Does this breaker replace older Cutler-Hammer FD4225 units?
Yes. Eaton manufactures the Series C line and it serves as an exact, direct replacement for legacy Cutler-Hammer breakers bearing the same FD4225 catalog number.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 14 reviews.
- SGStephen G.Verified BuyerReviewingEaton / Cutler-Hammer FD3175 - 175A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars7/13/26175amp molded case circuit breaker
The breaker we purchased was as advertised. The breaker fit perfectly. We purchased reconditioned breaker and it seems to be working properly, accordingly to the golf course maintenance team that supervises the irrigation system.
Next day shipping came quickly even though the 4th of July was coming.
I wish it came with new installations hardware but that isn’t a deal breaker.
- MBMichael B.Verified BuyerReviewingEaton / Cutler-Hammer FD3040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/7/26Worked perfectly
This circuit breaker installed as expected and performed flawlessly.
- DQDavid Q.ReviewingEaton / Cutler-Hammer FD2080 - 80A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/17/23A+ Seller
Breaker came as described and was shipped out fast!
- OCOscar C.ReviewingEaton / Cutler-Hammer FD3175 - 175A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/20/23Great Service
Totally recommended
- MLMichael L.ReviewingEaton / Cutler-Hammer FD2050 - 50A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/2/22Quick and Easy
They had what we needed and were able to ship it quickly.