Eaton / Cutler-HammerGHB3050S1
Eaton / Cutler-Hammer GHB3050S2 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
GHB3050S2
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
GHB3050S2
Quantity
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Eaton / Cutler-Hammer GHB3050S2 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding commercial environments, the GHB3050S2 is a 3-pole, 50-amp molded case circuit breaker equipped with a 240VAC shunt trip. This feature allows facility managers to remotely open the circuit for safety or control purposes. The G-frame breaker bolts securely into Eaton Pow-R-Line C, Series C, and Westinghouse PRL2 panelboards. With a 14 kAIC rating at 480Y/277V and HACR certification, it is an excellent choice for HVAC and industrial motor control applications.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | GHB |
| Amperage | 50A |
| 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 | G |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line C Panelboards, Series C Panelboards, Westinghouse PRL2 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 | Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Shunt Trip (240VAC) |
| 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
8 answersWhat panelboards accept the GHB3050S2 circuit breaker?
This bolt-on breaker is compatible with Eaton Pow-R-Line C, Series C, and legacy Westinghouse PRL2 panelboards.
What does the S2 suffix indicate on the GHB3050S2?
The S2 suffix means this breaker is equipped with a factory-installed 240VAC shunt trip. It features a rear-exiting left pigtail, allowing the breaker to be tripped remotely when the control voltage is applied.
What are the wire gauge requirements for the GHB3050S2 terminals?
The breaker comes with standard lugs that accommodate 10 AWG to 1/0 AWG wire. Both copper (Cu) and aluminum (Al) conductors are supported.
Is the GHB3050S2 rated for direct current (DC) systems?
Yes, in addition to its AC ratings, this breaker is rated for 125/250VDC systems, providing up to 14 kAIC of short-circuit protection for DC applications.
Are the trip settings adjustable on the GHB3050S2?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) trip functions are factory-set and non-adjustable.
Will my GHB3050S2 be branded as Eaton or Cutler-Hammer?
Because Eaton acquired Cutler-Hammer, the GHB3050S2 may carry either brand name. They are the exact same Series C, G-frame breaker and are fully interchangeable.
Does the GHB3050S2 provide adequate interrupting capacity for 480V commercial systems?
It provides 14 kAIC of interrupting capacity at 480Y/277VAC. For systems requiring higher fault current protection at 240VAC, it is rated up to 65 kAIC. Always verify your system's available fault current before installation.
Can I use the GHB3050S2 to replace older GHB breakers?
Yes, the GHB3050S2 is a standard Series C, G-frame breaker. It can directly replace older or failing 50A, 3-pole GHB breakers in compatible Eaton or Westinghouse bolt-on panelboards.
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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!