Eaton / Cutler-Hammer EGH3090FFB Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer EGH3090FFB - 90A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for commercial panelboards, the Eaton EGH3090FFB is a 3-pole, 90A bolt-on molded case circuit breaker. It delivers fixed thermal-magnetic trip functions to safeguard industrial electrical systems. This EG-Frame breaker mounts into Eaton Pow-R-Line panelboards and includes load-side lugs. It is the legacy equivalent to the PDG13M0090TFFJ, which requires a separate hardware kit for panelboard use. With a 65kAIC rating at 480V, it utilizes high-speed blow-open action to clear faults.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGH3090FFB |
| Series | EGH |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600Y/347VAC, 42kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Pow-R-Line Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 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, Handle Mechanism |
|---|---|
| Accessories | Load Side Lugs, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High Interrupting Capacity, Reverse Feed, Blow-Open Action |
Product FAQs
5 answersWhich panelboards are compatible with the EGH3090FFB circuit breaker?
This bolt-on EG-frame breaker is designed specifically for installation in Eaton Pow-R-Line distribution panelboards. It is not compatible with standard load centers or unit-mount enclosures that require lug-to-lug connections.
What do the letters FFB signify in the EGH3090FFB catalog number?
In Eaton Series G nomenclature, the FF indicates the breaker is equipped with a fixed thermal and fixed magnetic trip unit. The B designates a bolt-on connection type for panelboard mounting, distinguishing it from the G suffix which indicates standard line and load lugs.
What does the H in the EGH3090FFB catalog number indicate?
The H designates this as the High Interrupting capacity version of the Eaton EG-frame series. It provides a 65kAIC rating at 480VAC, which is significantly higher than the standard EGB (18kAIC) or EGS (35kAIC) models.
Is the EGH3090FFB suitable for reverse feed applications?
Yes. Like most Eaton Series G thermal-magnetic circuit breakers, this model does not have line and load directional restrictions, making it fully capable of being reverse fed in your electrical system.
What is the modern replacement for the legacy EGH3090FFB breaker?
Eaton is actively transitioning the Series G EG-frame breakers to the newer Power Defense platform. The Power Defense Frame 1 (PDG1) series serves as the direct contemporary replacement for this 90-amp breaker.
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