Eaton / Cutler-HammerEGS3100FFG
Eaton / Cutler-Hammer EGS3100FFB Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EGS3100FFB
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGS3100FFB
Quantity
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Eaton / Cutler-Hammer EGS3100FFB - 100A 3 Pole Molded Case Circuit Breaker
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Description
Built for robust commercial and industrial applications, the EGS3100FFB is a 3-pole, 100A molded case circuit breaker from Eaton's Series G lineup. It features a bolt-on mounting design specifically engineered for seamless integration into Eaton Pow-R-Line panelboards. Rated for 35 kAIC at 480VAC, this EG-frame breaker utilizes a fixed thermal and fixed magnetic (LI) trip unit. The patented contact design provides high-speed blow-open action to effectively limit let-through current.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGS3100FFB |
| Series | EGS |
| Amperage | 100A |
| 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, Motor Operator |
|---|---|
| Accessories | Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High-Speed Blow-Open Action |
Product FAQs
5 answersWhat does the FFB suffix mean in the EGS3100FFB catalog number?
In the Eaton Series G nomenclature, the FFB suffix indicates that the breaker is equipped with a fixed thermal and fixed magnetic trip unit, and it utilizes a bolt-on connection.
What protection does the LI trip function provide on this breaker?
The LI designation stands for Long-Time and Instantaneous trip functions. The long-time delay protects the circuit against sustained overloads, while the instantaneous pickup provides immediate tripping during short circuit faults.
The product description mentions DIN rail mounting, but the specifications indicate bolt-on. Which is correct?
The EGS3100FFB is natively a bolt-on circuit breaker designed for Eaton Pow-R-Line panelboards. While EG frame breakers can be adapted for DIN rail mounting using separate accessories, this specific catalog number is configured for bolt-on installation.
Can this EG frame breaker be used in older Cutler-Hammer panels?
Yes, Eaton Series G breakers are backwards compatible with many legacy Cutler-Hammer systems. The EGS3100FFB will fit Cutler-Hammer Pow-R-Line panelboards that accept EG frame bolt-on breakers.
What does the 600Y/347VAC voltage rating indicate for installation?
The 600Y/347VAC slash rating indicates this breaker is designed for use in solidly grounded wye systems where the line-to-line voltage is 600V and the line-to-neutral voltage is 347V. It is not suitable for 600V ungrounded or corner-grounded delta systems.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
1 review
- SFStephen F.Rated 5 out of 5 stars2/7/22Eaton EGS3100FFB 3 Pole Circuit Breaker Purchase
Very good, as advertised and shipping was quick.