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Eaton / Cutler-Hammer EDH3125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EDH3125
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EDH3125
Quantity
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Eaton / Cutler-Hammer EDH3125 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial use, the Eaton EDH3125 is a 3-pole, 125A Series C F-Frame MCCB. It provides reliable thermal-magnetic protection with fixed long-time and instantaneous trip functions. This bolt-on breaker installs into Eaton panelboards and motor control centers. It replaces legacy HFD3125 and FDC3125 units, and is superseded by the PDD23M0125TFFJ. Rated for 100kAIC at 240VAC, this HACR-rated device ensures robust fault protection and supports reverse feed applications.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EDH3125 |
| Series | EDH |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 125VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 10kA @ 125VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 4 AWG - 4/0 AWG |
| 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 | HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
4 answersWhat frame size is the Eaton EDH3125?
The EDH3125 is an F-frame molded case circuit breaker. It is part of the Eaton Series C family and uses the standard ED frame footprint.
What is the difference between the Eaton ED3125 and the EDH3125?
The H in EDH3125 indicates a high interrupting capacity. The EDH3125 is rated at 100kAIC at 240VAC, whereas the standard ED3125 is rated at 65kAIC at 240VAC. Both share the exact same physical F-frame dimensions.
Can the EDH3125 replace older Westinghouse F-frame breakers?
Yes, Eaton Series C F-frame breakers are direct replacements for legacy Westinghouse, Challenger, and Bryant F-frame breakers, including the FDB, FD, HFD, and FDC series. Verify that the 100kAIC rating and 125A capacity meet your specific panel requirements.
Does the EDH3125 include lugs on both the line and load sides?
No, the EDH3125 is a bolt-on breaker that connects directly to the bus on the line side. It includes standard pressure lugs on the load side only, which accept 4 AWG to 4/0 AWG wire.
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