Eaton / Cutler-Hammer EHC3125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EHC3125
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EHC3125
Quantity
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Eaton / Cutler-Hammer EHC3125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
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Description
Utilizing a proven thermal-magnetic trip mechanism, this 125-amp breaker offers dependable overcurrent defense for three-phase systems. The bolt-on design integrates seamlessly with Eaton Series C enclosures, panelboards, and MCCs. It provides an 18kAIC rating at 240VAC and includes factory-installed load lugs accepting 4-4/0 AWG wire. Suitable for heating, air conditioning, and refrigeration equipment, this HACR-rated component serves as an older alternative to the newer FDB3125.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | EHC |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | EHC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 4-4/0 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 | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
4 answersWhich panelboards accept the Eaton EHC3125 breaker?
This F-frame breaker is designed for bolt-on installation in Eaton Series C panelboards, switchboards, and motor control centers.
What wire sizes do the factory lugs on the EHC3125 accept?
The standard lugs accommodate conductors ranging from 4 AWG to 4/0 AWG for 125A installations.
Can the EHC3125 be installed in DC systems?
Yes, in addition to its standard AC ratings, this breaker is rated for use in DC systems up to 250VDC with a 10kA interrupting capacity.
Does the EHC3125 offer field-adjustable trip settings?
No, this breaker is equipped with fixed thermal and fixed magnetic trip elements for long-time and instantaneous protection. It does not support field adjustments.
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