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Eaton / Cutler-Hammer ED3125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Panel Mount
Eaton / Cutler-Hammer
ED3125
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
ED3125
Quantity
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Eaton / Cutler-Hammer ED3125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Sold out
Quantity
Eaton / Cutler-Hammer ED3125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | ED3125 |
| Series | ED |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 125VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 10kA @ 125VDC |
| 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 |
|---|---|
| Accessories | Load Side 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 |
Quantity
Eaton / Cutler-Hammer ED3125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | ED3125-R |
| Series | ED |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 125VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 10kA @ 125VDC |
| 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 |
|---|---|
| Accessories | Load Side 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 |
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Description
The ED3125 is a 125A, 3-pole molded case circuit breaker from Eaton's Series C family. This F-Frame device provides reliable thermal-magnetic protection for commercial and industrial power distribution. Engineered for panel mounting, it features load side lugs and installs into Series C panelboards. It substitutes FD3125 units and is succeeded by the PDG23F0125TFFL. Rated at 65 kAIC at 240V, it ensures robust fault clearing. The unit is HACR rated and supports reverse feed setups.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | ED3125-R |
| Series | ED |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 125VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 10kA @ 125VDC |
| 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 |
|---|---|
| Accessories | Load Side 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 is the direct replacement for the Eaton ED3125 circuit breaker?
The ED3125 is succeeded by the modern Eaton Power Defense series, specifically part number PDG23F0125TFFL. It can also serve as a substitute for older FD3125 units in existing installations.
Does the ED3125 circuit breaker include both line and load terminals?
This model is engineered specifically for panelboard integration. It comes factory-equipped with standard pressure lugs on the load side, while the line side is designed to connect directly to the panelboard bus.
Can the ED3125 be used in a reverse feed application?
Yes. Eaton Series C F-frame thermal-magnetic breakers, including the ED3125, do not have restrictive line and load markings and are approved for reverse feed setups.
Is the Eaton ED3125 rated for HVAC equipment?
Yes, all Eaton Series C F-frame circuit breakers, including the ED3125, are HACR rated. This certification ensures they are thoroughly tested and safe for use with heating, air conditioning, and refrigeration systems.
Can I install field accessories on the ED3125 breaker?
Yes, the ED3125 accepts standard internal and external accessories designed for Eaton Series C F-frame breakers. Common add-ons include shunt trips, auxiliary switches, and undervoltage releases.
What does the F-frame designation mean for the ED3125?
The F-frame classification indicates the physical footprint and internal mechanism design within the Eaton Series C family. It ensures standardized dimensions for mounting hardware, accessories, and panelboard spacing across all breakers in this frame class.
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Reviews
Review summary
Customers rate this product 4.6 out of 5 based on 7 reviews.
Total 5 star reviews: 6 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 1 Total 1 star reviews: 0
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Rating
7 reviews
- PSpam s.Verified BuyerReviewingEaton / Cutler-Hammer ED3100 - 100A 3 Pole Molded Case Circuit BreakerI do not recommend this productRated 2 out of 5 stars7/28/26Shipment delays
Asked for overnight shipment, got it but the product did not ship for 7 days
- BFBernie F.Verified BuyerReviewingEaton / Cutler-Hammer ED2200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/26Very Responsive
I ordered this breaker. It arrived on time and was exactly what I ordered.
- BFBrian F.ReviewingEaton / Cutler-Hammer ED2200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/26/22In Stock & Speedy Shipping
Always find in-stock items and shipping is always quick. My go-to for breakers at unbeatable prices.
- LVLue V.ReviewingEaton / Cutler-Hammer ED3175 - 175A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/27/22Excellent online service
Thanks for you online services. It was an easy transaction and delivery was right on time.
- NMNick M.ReviewingSiemens E43B030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/23/20reliable breaker at a good price
I was happy this specialty breaker was available at a good price compared to local suppliers in our area.