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Eaton / Cutler-Hammer EGB3090FFG Molded Case Circuit Breaker

  • 90A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer EGB3090FFG
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU EGB3090FFG
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  • 90A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer EGB3090FFG - 90A 3 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer EGB3090FFG - 90A 3 Pole Molded Case Circuit Breaker

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$1,044.00 In Stock

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Description

Designed to handle demanding industrial loads, the Eaton EGB3090FFG offers 90A of unit-mount circuit protection. As part of the Series G lineup, this EG-frame breaker utilizes a fixed thermal-magnetic trip unit to deliver an 18 kAIC interrupt capacity at 480VAC. It easily installs into Eaton Series G enclosures, switchboards, MCCs, and Pow-R-Line panelboards. Featuring high-speed blow-open action and current limiting technology, it has been replaced by the PDG13C0090TFFJ.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number EGB3090FFG
Series EGB
Amperage 90A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 250VDC
Phase 3
AIC Rating 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Series G Enclosures, Switchboards, MCCs, Pow-R-Line Panelboards
Wire Gauge 14-1/0 AWG
Max Wire 1/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Handle Mechanism
Accessories Line and Load Terminals
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CE, CSA, IEC, KEMA, UL
Temp Rating 40C
Construction Features Current Limiting, HACR Rated, Reverse Feed

Product FAQs

7 answers
Can I install the EGB3090FFG in a standard load center?

No, this is an industrial molded case circuit breaker. It is specifically designed for Eaton Pow-R-Line panelboards, Series G enclosures, switchboards, and MCCs, rather than residential load centers.

Is there a newer replacement model for the EGB3090FFG?

Yes, the legacy Series G EGB3090FFG has been replaced by the Eaton Power Defense PDG13C0090TFFJ. The newer Frame 1 breaker serves as an exact drop-in replacement for the older EG-frame model.

Are the standard lugs on the EGB3090FFG rated for aluminum wire?

Yes, the factory-installed line and load lugs are rated for both copper and aluminum (Cu/Al) conductors ranging from 14 AWG to 1/0 AWG.

What does unit mount mean for the EGB3090FFG?

Unit mount, also known as cable-in/cable-out or bolt-on mounting, means the breaker is individually mounted to the enclosure backpan using screws or bolts, rather than plugging directly into a distribution busbar.

Is the EGB3090FFG suitable for reverse-feed applications?

Yes, this Series G molded case circuit breaker is reverse feed capable, allowing you to connect the incoming power to either the top or bottom terminals.

How does the thermal-magnetic trip unit in the EGB3090FFG operate?

The thermal element provides delayed tripping for sustained overloads, while the magnetic element delivers an instantaneous trip response to clear severe short circuits.

Can I add field-installable accessories to the EGB3090FFG?

Yes, the EG-frame supports various internal accessories, including shunt trips, undervoltage releases, auxiliary switches, and alarm contacts, which install directly into the breaker.

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Reviews

4.9
Rated 4.9 out of 5 stars
Based on 25 reviews
Total 5 star reviews: 23 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
25 reviews
  • RS
    Robert S.
    Verified Buyer
    Reviewing
    Square D EGB34015 - 15A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/21/26
    New breaker

    Great product, exactly what I needed and shipped in a timely manner!

  • EB
    Ed B.
    Verified Buyer
    Reviewing
    Square D EGB34100 - 100A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/5/25
    100 amp breaker

    Prompt ordering and shipping at a fair price. Thanks

  • EB
    Ed B.
    Verified Buyer
    Reviewing
    Square D EGB34015 - 15A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/11/25
    Breaker purchase

    quick response and shipping

  • TI
    Tim I.
    Verified Buyer
    Reviewing
    Square D EGB34040 - 40A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/6/25
    Problem Solved

    The breakers showed up packaged very well and in great shape. The pricing was very competitive and solved our problem sourcing older circuit breakers.

  • MK
    Marvin K.
    Verified Buyer
    Reviewing
    Square D EGB34045 - 45A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/25
    Square D EGB34045 3 Pole Circuit Breaker

    Breaker and service was great and always has been. Looking forward more business in the future. Thanks.