Eaton / Cutler-Hammer GHB3100V Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
GHB3100V
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
GHB3100V
Quantity
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Eaton / Cutler-Hammer GHB3100V - 100A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for marine and high-heat industrial environments, the GHB3100V features a special 50°C ambient calibration to prevent nuisance tripping. This three-pole, 100-amp MCCB provides reliable thermal-magnetic protection for 480Y/277 VAC systems. It secures into Eaton Series C panelboards, Pow-R-Line switchboards, and motor control centers using a standard bolt-on connection. The G-Frame breaker delivers 65 kAIC at 240V and includes current-limiting capabilities.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | GHB |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 14kA @ 480Y/277VAC, 14kA @ 125/250VDC |
| Frame Type | GHB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Pow-R-Line Panelboards, Switchboards, Motor Control Centers |
| 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, Federal Specification W-C-375B, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 50C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, 50C Ambient Calibration |
Product FAQs
6 answersWhat does the V suffix in the GHB3100V catalog number mean?
The V suffix indicates that the breaker is calibrated for a 50°C (122°F) ambient temperature, rather than the standard 40°C. This is typically required for marine, naval, or high-ambient industrial environments.
Which Eaton panelboards are compatible with the GHB3100V?
This bolt-on breaker is primarily used in Eaton Pow-R-Line 2a (PRL2a) panelboards, as well as Series C panelboards, switchboards, and Motor Control Centers.
Can the GHB3100V be installed on a 480V Delta system?
No. GHB circuit breakers are slash-rated for 480Y/277V solid-grounded wye systems. They are not suitable or listed for use on 480V ungrounded or corner-grounded delta systems.
Is the GHB3100V suitable for reverse feed applications?
Yes, Eaton Series C G-frame circuit breakers, including the GHB series, do not have line or load restrictions and are suitable for reverse feed installations.
Are the trip settings on the GHB3100V adjustable?
No, this breaker features a non-interchangeable thermal-magnetic trip unit with fixed long-time and fixed instantaneous trip functions.
How must the GHB3100V be wired for 250VDC applications?
When applying this 3-pole breaker on a 250VDC system, two of the poles must be wired in series to achieve the full voltage rating and safely interrupt the DC fault current.
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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!