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Eaton / Cutler-Hammer GHB1090 Molded Case Circuit Breaker
- 90A
- 1 Pole
- Bolt-On
Eaton / Cutler-Hammer
GHB1090
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
GHB1090
Quantity
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Eaton / Cutler-Hammer GHB1090 - 90A 1 Pole Molded Case Circuit Breaker
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Description
Designed to meet rigorous industrial standards, the Eaton GHB1090 is a 90A, 1-pole molded case circuit breaker. Belonging to the proven Series C family, it employs a fixed thermal-magnetic trip mechanism to provide accurate long-time and instantaneous (LI) overcurrent protection. This G-Frame device is engineered with a bolt-on mounting style, guaranteeing a solid and reliable connection to the busbar.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GHB1090 |
| Series | GHB |
| Amperage | 90A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 14kA @ 277VAC, 14kA @ 125VDC |
| Frame Type | GHB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line C Panelboards, Series C Panelboards |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, Federal Specification W-C-375B, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
5 answersWhat panelboards are compatible with the GHB1090?
This breaker is designed to bolt directly into Eaton Pow-R-Line C and Series C panelboards.
Can I use the Eaton GHB1090 to replace an older Westinghouse or Cutler-Hammer breaker?
Yes. Eaton acquired the Westinghouse distribution equipment division. The Eaton GHB1090 is the exact, direct replacement for legacy Westinghouse and Cutler-Hammer breakers with the same catalog number.
What are the wire size and lug torque specifications for the GHB1090?
The standard lugs accept 10 AWG to 1/0 AWG copper or aluminum wire. Torque 10 AWG wire to 20 lb-in, 8 AWG to 40 lb-in, and 6 AWG through 1/0 AWG to 45 lb-in.
Is the GHB1090 suitable for reverse feed applications?
Yes, Eaton Series C G-frame circuit breakers, including the GHB1090, are suitable for reverse feed use.
Is the GHB1090 HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 30 reviews.
Reviews Summary
Generated by AI from 30 most recent customer reviews
Last updated 9/20/26
Customers say these breakers function reliably and arrive quickly with proper packaging. The ordering process is straightforward, and products consistently match descriptions. Many reviews highlight fast shipping, competitive pricing, and availability. Users appreciate the condition of refurbished units and easy online ordering. One customer reported receiving an incorrect amperage breaker despite paying for expedited delivery. Another noted disappointment when duplicate orders were not consolidated to reduce freight costs. Overall, customers value the quick procurement and dependable product quality.
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Rating
30 reviews
- TGTimothy G.Verified BuyerReviewingEaton / Cutler-Hammer GHB3020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/17/26Used model
Breaker ohm tested out fine and currently working on load test with a longer term battery charger. So far so good. Packaged very well no visible damages during shipping. Even received a follow up call from customer that I missed.
- CKChristopher K.Verified BuyerReviewingEaton / Cutler-Hammer GHB3030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/16/26Great and easy support
Easy ordering process, and always helpful over support
- DMDustin M.Verified BuyerReviewingEaton / Cutler-Hammer GHB3030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/31/26Great Price and Worked as Expected
Bought the renewed breaker and all works as expected and saved us money. Great price and availability. Thank you.
- MWMARK W.Verified BuyerReviewingEaton / Cutler-Hammer GHB1020 - 20A 1 Pole Molded Case Circuit BreakerRated 3 out of 5 stars7/21/26Good Product, but Disappointed With the Service
Good product, but I was disappointed with the service. I accidentally placed two separate orders and ended up paying freight on both. I had requested that they combine the orders, and had that been done with the freight waived, it would have saved me money.
Other than that, everything was good. I’m just disappointed that no one communicated this to me.
- AWAnthony W.Verified BuyerReviewingEaton / Cutler-Hammer GHB3080 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/7/26Breaker
Item came quick and as described. Simple and easy process!