Eaton / Cutler-Hammer EGS3090FFB Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer EGS3090FFB - 90A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for commercial applications, the Eaton EGS3090FFB is a 3-pole, 90A MCCB. As part of the Series G EG-frame lineup, it offers reliable power distribution. This bolt-on breaker is engineered to mount into Eaton Pow-R-Line panelboards. It includes necessary mounting hardware and load side lugs for secure connections. Rated 35 kAIC at 480VAC, it utilizes fixed thermal-magnetic trip functions. It is HACR rated and features a high-speed blow-open mechanism to limit let-through current.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | EGS |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 35kA @ 125/250VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line Panelboards |
| Wire Gauge | 14-1/0 AWG |
| 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, Padlock Attachment, Handle Mechanism |
|---|---|
| Accessories | Mounting Hardware, Load Side Lugs |
| 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 | Current Limiting, HACR Rated, Reverse Feed, High-Speed Blow-Open Action |
Product FAQs
5 answersWhat panelboards are compatible with the EGS3090FFB?
This EG-frame breaker is specifically designed for use in Eaton Pow-R-Line panelboards. It features a bolt-on connection to secure directly to the panelboard bus.
Can the trip settings on the EGS3090FFB be adjusted in the field?
No. The "FF" in the catalog number indicates that this breaker has a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous trip functions are factory set.
Do I need to purchase separate lugs for the EGS3090FFB?
No, this breaker comes standard with lugs that accept 14 AWG to 1/0 AWG wire.
How does the EGS3090FFB differ from other EG-frame breakers like the EGB or EGH?
The "S" in the EGS prefix indicates its specific interrupting capacity tier. The EGS3090FFB provides 35 kAIC at 480VAC, which sits between the standard-rated EGB and the higher-rated EGH models.
What safety procedures are required when installing this EG-frame breaker?
Always de-energize the Pow-R-Line panelboard before installation. Verify the power is off using a properly rated voltage tester, and adhere to NFPA 70E guidelines and local electrical codes.
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