The Eaton JD3125 is a complete molded case circuit breaker belonging to the Series C family, specifically the J-frame (JD). It is a three-pole unit with a continuous current rating of 125 amps. The breaker features fixed thermal and fixed magnetic trip units (trip type T186). It is rated for operation at 600 Vac and 250 Vdc, and is suitable for 50/60 Hz systems. The interrupt ratings are 65 kAIC at 240 Vac and 35 kAIC at 480 Vac. The breaker comes equipped with aluminum line and load terminals. It is UL Listed. Please verify panel compatibility, exact specifications, condition, source, availability, and lead time in your written quote before purchasing.
Primary technical source for JD3125 | Supporting documentation
The Eaton JD3125 is a complete molded case circuit breaker belonging to the Series C family, specifically the J-frame (JD). It is a three-pole unit with a continuous current rating of 125 amps. The breaker features fixed thermal and fixed magnetic trip units (trip type T186). It is rated for operation at 600 Vac and 250 Vdc, and is suitable for 50/60 Hz systems. The interrupt ratings are 65 kAIC at 240 Vac and 35 kAIC at 480 Vac. The breaker comes equipped with aluminum line and load terminals. It is UL Listed. Please verify panel compatibility, exact specifications, condition, source, availability, and lead time in your written quote before purchasing.
| Specification | Value |
|---|---|
| Amperage Rating | 125 A |
| Voltage Rating | 600 Vac, 250 Vdc |
| Number of Poles | Three-pole |
| Interrupt Rating | 65 kAIC at 240 Vac, 35 kAIC at 480 Vac |
| Frame | J |
| Series | Series C |
| Circuit Breaker Type | JD |
| Terminals | Line and load (Aluminum) |
| Frequency Rating | 50/60 Hz |
| Trip Type | T186 (Fixed thermal, Fixed magnetic) |
Application and compatibility claims are withheld until exact-catalog documentation is confirmed. Match the physical nameplate, panel label, mounting method, electrical ratings, and manufacturer instructions before purchase or installation.
Eaton / Cutler-Hammer JD3125 catalog record. Call (951) 903-9804 to request a written quote confirming the nameplate, ratings, mounting, condition, source, availability, lead time, shipping method, warranty, and compatibility requirements.
Brand: Eaton / Cutler-Hammer | Catalog Number: JD3125 | Series: JD J-Frame