Eaton / Cutler-HammerEGS3100FFG
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Eaton / Cutler-Hammer EGS3090FFG Molded Case Circuit Breaker
- 90A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGS3090FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGS3090FFG
Quantity
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Eaton / Cutler-Hammer EGS3090FFG - 90A 3 Pole Molded Case Circuit Breaker
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Description
Delivering robust protection, this 90A, 3-pole MCCB belongs to Eaton's Series G family. The EG-frame footprint provides high performance while minimizing panel space. Configured for unit mounting, the EGS3090FFG installs into Eaton enclosures, motor control centers, and switchboards. It comes equipped with line and load terminals. With a 35 kAIC rating at 480VAC, it provides fixed thermal-magnetic protection. The current-limiting design ensures rapid fault clearance for enhanced safety.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGS3090FFG |
| Series | EGS |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| 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 Series G Enclosures, Motor Control Centers, Switchboards |
| 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, Padlock Attachment, Multi-Wire Lug Kit |
|---|---|
| Accessories | Line and Load Terminals |
| 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 |
Product FAQs
9 answersWhat does the FFG suffix mean in the EGS3090FFG catalog number?
In Eaton Series G nomenclature, the first F indicates a fixed thermal trip, the second F indicates a fixed magnetic trip, and the G signifies that standard line and load lugs are included with the breaker.
What does the S stand for in the EGS3090FFG part number?
The S indicates the standard interrupting capacity tier for the EG-frame family, which provides 35 kAIC at 480 Vac and 85 kAIC at 240 Vac.
Which enclosures and panels are compatible with the EGS3090FFG?
This EG-frame breaker is designed for use in Eaton Series G enclosures, motor control centers, and switchboards.
What wire sizes are accepted by the lugs on this 90A breaker?
The included line and load lugs accept wire gauges from 14 AWG up to 1/0 AWG. Both copper and aluminum conductors are supported.
What type of trip unit is installed in the EGS3090FFG?
It features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) protection functions. Neither the thermal overload nor the magnetic short-circuit trip points are field-adjustable on this specific model.
Can I use the EGS3090FFG in a DC circuit?
Yes, this thermal-magnetic breaker is rated for DC applications, supporting up to 125/250 Vdc with an interrupting capacity of 35 kAIC.
How is the EGS3090FFG mounted in a panel?
It is natively a unit-mount breaker. However, the EG-frame can also be mounted on a standard 35mm DIN rail using the appropriate Eaton mounting adapter, making it versatile for various electrical assemblies.
What safety standards does the Eaton EGS3090FFG meet?
As part of the globally rated Series G family, this breaker carries multiple certifications including UL, CSA, CE, and IEC approvals. This ensures compliance for both North American and international electrical assemblies.
Is the EGS3090FFG a direct replacement for older Cutler-Hammer breakers?
The Series G EG-frame was introduced to provide a more compact footprint and higher global ratings than legacy Series C breakers. While it can upgrade older systems, panel modifications or specific adapters may be required when replacing legacy F-frame or G-frame breakers.
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