Eaton / Cutler-HammerPDG23M0125TFFJ
Eaton / Cutler-Hammer HCA3125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Panel Mount
Eaton / Cutler-Hammer
HCA3125
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
HCA3125
Quantity
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Eaton / Cutler-Hammer HCA3125 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial facilities, the Eaton HCA3125 delivers 125A of thermal-magnetic protection. This 3-pole MCCB provides fixed long-time and instantaneous (LI) trip functions. As a CA-frame device, it installs into classic Westinghouse CDP and FDP panelboards. For modern upgrades, it can be substituted with ED, FD, or HFD series breakers using an adapter kit. Featuring a 42kAIC rating at 240VAC, this breaker supports reverse feed setups and accepts 3 AWG to 300 kcmil conductors.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | HCA3125-R |
| Series | HCA |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC |
| Frame Type | HCA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse CDP Panelboards, FDP Panelboards |
| Wire Gauge | 3 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 3 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Handle Lock |
|---|---|
| Accessories | Lug Kit: TA225CA2 |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Reverse Feed |
Product FAQs
4 answersWhich panelboards accept the HCA3125 circuit breaker?
The HCA3125 is a CA-frame device specifically designed to fit into legacy Westinghouse CDP and FDP panelboards.
What is the difference between the CA3125 and the HCA3125?
The HCA3125 is the high-interrupting version of the standard CA3125. The standard CA3125 is rated for 10kAIC at 240V AC, while the HCA3125 provides a 42kAIC rating at the same voltage.
Can I substitute the HCA3125 with a newer circuit breaker series?
Yes. For modern upgrades, the HCA3125 can be substituted with Eaton ED, FD, or HFD series circuit breakers by installing the appropriate mounting adapter kit.
Can the HCA3125 be reverse fed?
Yes, this breaker supports reverse feed setups. Always verify your specific panelboard labeling and local electrical codes before proceeding with a reverse feed installation.
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